fmt

use cost field if available

routstr/core/admin.py

@@ -5,7 +5,7 @@ from pathlib import Path
 
 from fastapi import APIRouter, Depends, HTTPException, Query, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
-from pydantic import BaseModel
+from pydantic import BaseModel, Field
 from sqlmodel import select
 
 from ..payment.models import _row_to_model, list_models
@@ -3165,3 +3165,123 @@ async def get_log_dates_api(request: Request) -> dict[str, object]:
                 continue
 
     return {"dates": dates}
+
+
+class ModelMappingRequest(BaseModel):
+    from_model: str = Field(..., alias="from")
+    to: str
+
+
+class ModelMappingUpdateRequest(BaseModel):
+    to: str
+
+
+@admin_router.get("/api/model-mappings", dependencies=[Depends(require_admin_api)])
+async def get_model_mappings(request: Request) -> dict[str, str]:
+    from ..proxy import _manual_model_mappings
+    return _manual_model_mappings
+
+
+@admin_router.post("/api/model-mappings", dependencies=[Depends(require_admin_api)])
+async def create_model_mapping(request: Request, mapping: ModelMappingRequest) -> dict[str, str]:
+    import json
+    import os
+
+    from ..proxy import _manual_model_mappings, load_manual_model_mappings
+
+    mappings_file = os.path.join(os.path.dirname(os.path.dirname(__file__)), "model_mappings.json")
+
+    try:
+        if os.path.exists(mappings_file):
+            with open(mappings_file, "r") as f:
+                data = json.load(f)
+        else:
+            data = {"manual_model_mappings": {"mappings": {}}}
+
+        data["manual_model_mappings"]["mappings"][mapping.from_model.lower()] = mapping.to.lower()
+
+        with open(mappings_file, "w") as f:
+            json.dump(data, f, indent=2)
+
+        load_manual_model_mappings()
+
+        return _manual_model_mappings
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"Failed to create mapping: {str(e)}")
+
+
+@admin_router.put("/api/model-mappings/{from_model}", dependencies=[Depends(require_admin_api)])
+async def update_model_mapping(request: Request, from_model: str, mapping: ModelMappingUpdateRequest) -> dict[str, str]:
+    import json
+    import os
+
+    from ..proxy import _manual_model_mappings, load_manual_model_mappings
+
+    mappings_file = os.path.join(os.path.dirname(os.path.dirname(__file__)), "model_mappings.json")
+
+    try:
+        if os.path.exists(mappings_file):
+            with open(mappings_file, "r") as f:
+                data = json.load(f)
+        else:
+            data = {"manual_model_mappings": {"mappings": {}}}
+
+        if from_model.lower() not in data["manual_model_mappings"]["mappings"]:
+            raise HTTPException(status_code=404, detail="Mapping not found")
+
+        data["manual_model_mappings"]["mappings"][from_model.lower()] = mapping.to.lower()
+
+        with open(mappings_file, "w") as f:
+            json.dump(data, f, indent=2)
+
+        load_manual_model_mappings()
+
+        return _manual_model_mappings
+    except HTTPException:
+        raise
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"Failed to update mapping: {str(e)}")
+
+
+@admin_router.delete("/api/model-mappings/{from_model}", dependencies=[Depends(require_admin_api)])
+async def delete_model_mapping(request: Request, from_model: str) -> dict[str, str]:
+    import json
+    import os
+
+    from ..proxy import _manual_model_mappings, load_manual_model_mappings
+
+    mappings_file = os.path.join(os.path.dirname(os.path.dirname(__file__)), "model_mappings.json")
+
+    try:
+        if os.path.exists(mappings_file):
+            with open(mappings_file, "r") as f:
+                data = json.load(f)
+        else:
+            data = {"manual_model_mappings": {"mappings": {}}}
+
+        if from_model.lower() not in data["manual_model_mappings"]["mappings"]:
+            raise HTTPException(status_code=404, detail="Mapping not found")
+
+        del data["manual_model_mappings"]["mappings"][from_model.lower()]
+
+        with open(mappings_file, "w") as f:
+            json.dump(data, f, indent=2)
+
+        load_manual_model_mappings()
+
+        return _manual_model_mappings
+    except HTTPException:
+        raise
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"Failed to delete mapping: {str(e)}")
+
+
+@admin_router.post("/api/model-mappings/reload", dependencies=[Depends(require_admin_api)])
+async def reload_model_mappings(request: Request) -> dict[str, object]:
+    from ..proxy import _manual_model_mappings, load_manual_model_mappings
+
+    try:
+        load_manual_model_mappings()
+        return {"ok": True, "mappings": _manual_model_mappings}
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=f"Failed to reload mappings: {str(e)}")

routstr/model_mappings.json

@@ -0,0 +1,7 @@
+{
+  "manual_model_mappings": {
+    "mappings": {
+      "text-embedding-ada-002-v2": "text-embedding-ada-002"
+    }
+  }
+}

routstr/payment/cost_calculation.py

@@ -5,6 +5,7 @@ from pydantic.v1 import BaseModel
 from ..core import get_logger
 from ..core.db import AsyncSession
 from ..core.settings import settings
+from .price import sats_usd_price
 
 logger = get_logger(__name__)
 
@@ -64,6 +65,56 @@ async def calculate_cost(  # todo: can be sync
         )
         return cost_data
 
+    usage_data = response_data["usage"]
+
+    usd_cost = 0.0
+
+    # Prioritize cost_details.upstream_inference_cost
+    if "cost_details" in usage_data:
+        usd_cost = float(
+            usage_data["cost_details"].get("upstream_inference_cost", 0) or 0
+        )
+
+    # Fallback to cost field if upstream_inference_cost is 0
+    if usd_cost == 0 and "cost" in usage_data:
+        try:
+            usd_cost = float(usage_data.get("cost", 0) or 0)
+        except Exception:
+            pass
+
+    if usd_cost > 0:
+        try:
+            sats_per_usd = 1.0 / sats_usd_price()
+            cost_in_sats = usd_cost * sats_per_usd
+            cost_in_msats = math.ceil(cost_in_sats * 1000)
+
+            logger.info(
+                "Using cost from usage data/details",
+                extra={
+                    "usd_cost": usd_cost,
+                    "cost_in_sats": cost_in_sats,
+                    "cost_in_msats": cost_in_msats,
+                    "model": response_data.get("model", "unknown"),
+                },
+            )
+
+            return CostData(
+                base_msats=-1,
+                input_msats=-1,  # Cost field doesn't break down by token type
+                output_msats=-1,
+                total_msats=cost_in_msats,
+            )
+        except Exception as e:
+            logger.warning(
+                "Error calculating cost from usage data",
+                extra={
+                    "error": str(e),
+                    "usd_cost": usd_cost,
+                    "model": response_data.get("model", "unknown"),
+                },
+            )
+            # Fall through to token-based calculation
+
     MSATS_PER_1K_INPUT_TOKENS: float = (
         float(settings.fixed_per_1k_input_tokens) * 1000.0
     )
@@ -129,10 +180,19 @@ async def calculate_cost(  # todo: can be sync
         )
         return cost_data
 
-    input_tokens = response_data.get("usage", {}).get("prompt_tokens", 0)
-    output_tokens = response_data.get("usage", {}).get("completion_tokens", 0)
+    input_tokens = usage_data.get("prompt_tokens", 0)
+    output_tokens = usage_data.get("completion_tokens", 0)
+
+    # added for response api
+    input_tokens = (
+        input_tokens if input_tokens != 0 else usage_data.get("input_tokens", 0)
+    )
+    output_tokens = (
+        output_tokens if output_tokens != 0 else usage_data.get("output_tokens", 0)
+    )
 
     input_msats = round(input_tokens / 1000 * MSATS_PER_1K_INPUT_TOKENS, 3)
+
     output_msats = round(output_tokens / 1000 * MSATS_PER_1K_OUTPUT_TOKENS, 3)
     token_based_cost = math.ceil(input_msats + output_msats)
 

routstr/payment/models.py

@@ -93,12 +93,32 @@ async def async_fetch_openrouter_models(source_filter: str | None = None) -> lis
 
     try:
         async with httpx.AsyncClient() as client:
-            response = await client.get(f"{base_url}/models", timeout=30)
-            response.raise_for_status()
-            data = response.json()
+            models_response, embeddings_response = await asyncio.gather(
+                client.get(f"{base_url}/models", timeout=30),
+                client.get(f"{base_url}/embeddings/models", timeout=30),
+                return_exceptions=True,
+            )
+
+            def process_models_response(
+                response: httpx.Response | BaseException,
+            ) -> list[dict]:
+                if not isinstance(response, BaseException):
+                    response.raise_for_status()
+                    data = response.json()
+                    return [
+                        model
+                        for model in data.get("data", [])
+                        if ":free" not in model.get("id", "").lower()
+                    ]
+                return []
 
             models_data: list[dict] = []
-            for model in data.get("data", []):
+            models_data.extend(process_models_response(models_response))
+            models_data.extend(process_models_response(embeddings_response))
+
+            # Apply source filter and exclusions
+            filtered_models = []
+            for model in models_data:
                 model_id = model.get("id", "")
 
                 if source_filter:
@@ -116,9 +136,9 @@ async def async_fetch_openrouter_models(source_filter: str | None = None) -> lis
                 if not _has_valid_pricing(model):
                     continue
 
-                models_data.append(model)
+                filtered_models.append(model)
 
-            return models_data
+            return filtered_models
     except Exception as e:
         logger.error(f"Error (async) fetching models from OpenRouter API: {e}")
         return []

routstr/proxy.py

@@ -1,4 +1,5 @@
 import json
+import os
 from typing import Any
 
 from fastapi import APIRouter, Depends, HTTPException, Request
@@ -33,6 +34,23 @@ _upstreams: list[BaseUpstreamProvider] = []
 _model_instances: dict[str, Model] = {}  # All aliases -> Model
 _provider_map: dict[str, BaseUpstreamProvider] = {}  # All aliases -> Provider
 _unique_models: dict[str, Model] = {}  # Unique model.id -> Model (no duplicates)
+_manual_model_mappings: dict[str, str] = {}  # Manual model_id mappings loaded from JSON
+
+
+def load_manual_model_mappings() -> None:
+    """Load manual model mappings from JSON file."""
+    global _manual_model_mappings
+    try:
+        mappings_file = os.path.join(os.path.dirname(__file__), "model_mappings.json")
+        if os.path.exists(mappings_file):
+            with open(mappings_file, "r") as f:
+                data = json.load(f)
+                _manual_model_mappings = data.get("manual_model_mappings", {}).get("mappings", {})
+        else:
+            _manual_model_mappings = {}
+    except Exception as e:
+        logger.error(f"Failed to load manual model mappings: {e}")
+        _manual_model_mappings = {}
 
 
 async def initialize_upstreams() -> None:
@@ -40,6 +58,7 @@ async def initialize_upstreams() -> None:
     global _upstreams
     _upstreams = await init_upstreams()
     logger.info(f"Initialized {len(_upstreams)} upstream providers")
+    load_manual_model_mappings()
     await refresh_model_maps()
 
 
@@ -51,6 +70,7 @@ async def reinitialize_upstreams() -> None:
         "Re-initialized upstream providers from admin action",
         extra={"provider_count": len(_upstreams)},
     )
+    load_manual_model_mappings()
     await refresh_model_maps()
 
 
@@ -64,13 +84,32 @@ def get_upstreams() -> list[BaseUpstreamProvider]:
 
 
 def get_model_instance(model_id: str) -> Model | None:
-    """Get Model instance by ID from global cache."""
-    return _model_instances.get(model_id)
+    """Get Model instance by ID from global cache, with manual mapping fallback."""
+    model = _model_instances.get(model_id)
+    if model is not None:
+        return model
+
+    mapped_model_id = _manual_model_mappings.get(model_id.lower())
+    if mapped_model_id:
+        return _model_instances.get(mapped_model_id.lower())
+
+    return None
 
 
 def get_provider_for_model(model_id: str) -> BaseUpstreamProvider | None:
-    """Get UpstreamProvider for model ID from global cache."""
-    return _provider_map.get(model_id)
+    """Get UpstreamProvider for model ID from global cache, with manual mapping fallback."""
+    # First try direct lookup
+    provider = _provider_map.get(model_id)
+    if provider is not None:
+        return provider
+
+    # Try manual mapping as fallback
+    mapped_model_id = _manual_model_mappings.get(model_id)
+    if mapped_model_id:
+        logger.debug(f"Using manual mapping for provider: {model_id} -> {mapped_model_id}")
+        return _provider_map.get(mapped_model_id)
+
+    return None
 
 
 def get_unique_models() -> list[Model]:

routstr/upstream/base.py

@@ -734,51 +734,54 @@ class BaseUpstreamProvider:
                     await client.aclose()
                 return mapped_error
 
-            if path.endswith("chat/completions"):
-                client_wants_streaming = False
-                if request_body:
-                    try:
-                        request_data = json.loads(request_body)
-                        client_wants_streaming = request_data.get("stream", False)
-                        logger.debug(
-                            "Chat completion request analysis",
-                            extra={
-                                "client_wants_streaming": client_wants_streaming,
-                                "model": request_data.get("model", "unknown"),
-                                "key_hash": key.hashed_key[:8] + "...",
-                            },
-                        )
-                    except json.JSONDecodeError:
-                        logger.warning(
-                            "Failed to parse request body JSON for streaming detection"
-                        )
+            # Handle endpoints that require cost calculation and payment adjustment
+            if path.endswith("chat/completions") or path.endswith("embeddings"):
+                if path.endswith("chat/completions"):
+                    client_wants_streaming = False
+                    if request_body:
+                        try:
+                            request_data = json.loads(request_body)
+                            client_wants_streaming = request_data.get("stream", False)
+                            logger.debug(
+                                "Chat completion request analysis",
+                                extra={
+                                    "client_wants_streaming": client_wants_streaming,
+                                    "model": request_data.get("model", "unknown"),
+                                    "key_hash": key.hashed_key[:8] + "...",
+                                },
+                            )
+                        except json.JSONDecodeError:
+                            logger.warning(
+                                "Failed to parse request body JSON for streaming detection"
+                            )
 
-                content_type = response.headers.get("content-type", "")
-                upstream_is_streaming = "text/event-stream" in content_type
-                is_streaming = client_wants_streaming and upstream_is_streaming
+                    content_type = response.headers.get("content-type", "")
+                    upstream_is_streaming = "text/event-stream" in content_type
+                    is_streaming = client_wants_streaming and upstream_is_streaming
 
-                logger.debug(
-                    "Response type analysis",
-                    extra={
-                        "is_streaming": is_streaming,
-                        "client_wants_streaming": client_wants_streaming,
-                        "upstream_is_streaming": upstream_is_streaming,
-                        "content_type": content_type,
-                        "key_hash": key.hashed_key[:8] + "...",
-                    },
-                )
-
-                if is_streaming and response.status_code == 200:
-                    result = await self.handle_streaming_chat_completion(
-                        response, key, max_cost_for_model
+                    logger.debug(
+                        "Response type analysis",
+                        extra={
+                            "is_streaming": is_streaming,
+                            "client_wants_streaming": client_wants_streaming,
+                            "upstream_is_streaming": upstream_is_streaming,
+                            "content_type": content_type,
+                            "key_hash": key.hashed_key[:8] + "...",
+                        },
                     )
-                    background_tasks = BackgroundTasks()
-                    background_tasks.add_task(response.aclose)
-                    background_tasks.add_task(client.aclose)
-                    result.background = background_tasks
-                    return result
 
-                elif response.status_code == 200:
+                    if is_streaming and response.status_code == 200:
+                        result = await self.handle_streaming_chat_completion(
+                            response, key, max_cost_for_model
+                        )
+                        background_tasks = BackgroundTasks()
+                        background_tasks.add_task(response.aclose)
+                        background_tasks.add_task(client.aclose)
+                        result.background = background_tasks
+                        return result
+
+                # Handle both non-streaming chat completions and embeddings
+                if response.status_code == 200:
                     try:
                         return await self.handle_non_streaming_chat_completion(
                             response, key, session, max_cost_for_model
@@ -1519,9 +1522,9 @@ class BaseUpstreamProvider:
                     error_response.headers["X-Cashu"] = refund_token
                     return error_response
 
-                if path.endswith("chat/completions"):
+                if path.endswith("chat/completions") or path.endswith("embeddings"):
                     logger.debug(
-                        "Processing chat completion response",
+                        "Processing completion/embeddings response",
                         extra={"path": path, "amount": amount, "unit": unit},
                     )
 
@@ -1770,15 +1773,32 @@ class BaseUpstreamProvider:
     async def _fetch_openrouter_models(self) -> list[dict]:
         """Fetch models from OpenRouter API."""
         url = "https://openrouter.ai/api/v1/models"
+        embeddings_url = "https://openrouter.ai/api/v1/embeddings/models"
+
         async with httpx.AsyncClient(timeout=30.0) as client:
-            response = await client.get(url)
-            response.raise_for_status()
-            models = response.json()
-            return [
-                model
-                for model in models.get("data", [])
-                if ":free" not in model.get("id", "").lower()
-            ]
+            models_response, embeddings_response = await asyncio.gather(
+                client.get(url), client.get(embeddings_url), return_exceptions=True
+            )
+
+            all_models = []
+
+            def process_models_response(
+                response: httpx.Response | BaseException,
+            ) -> list[dict]:
+                if not isinstance(response, BaseException):
+                    response.raise_for_status()
+                    data = response.json()
+                    return [
+                        model
+                        for model in data.get("data", [])
+                        if ":free" not in model.get("id", "").lower()
+                    ]
+                return []
+
+            all_models.extend(process_models_response(models_response))
+            all_models.extend(process_models_response(embeddings_response))
+
+            return all_models
 
     async def _fetch_provider_models(self) -> dict:
         """Fetch models from provider's API."""

ui/app/model/page.tsx

@@ -10,16 +10,26 @@ import { SiteHeader } from '@/components/site-header';
 import { Tabs, TabsContent, TabsList, TabsTrigger } from '@/components/ui/tabs';
 import { useQuery } from '@tanstack/react-query';
 import { AdminService } from '@/lib/api/services/admin';
+import { ModelMappingService } from '@/lib/api/services/modelMappings';
 import { Skeleton } from '@/components/ui/skeleton';
 import { AlertCircle, Users, Globe } from 'lucide-react';
 import { Alert, AlertDescription } from '@/components/ui/alert';
 import { Badge } from '@/components/ui/badge';
-import { useMemo, useState } from 'react';
+import React, { useMemo, useState } from 'react';
 import type { Model } from '@/lib/api/schemas/models';
 import { groupAndSortModelsByProvider } from '@/lib/utils/modelSort';
+import { Button } from '@/components/ui/button';
+import { Input } from '@/components/ui/input';
+import { Card, CardContent, CardHeader, CardTitle } from '@/components/ui/card';
+import { Trash2, Plus, Edit2, Save, X } from 'lucide-react';
 
 export default function ModelsPage() {
   const [filteredModels, setFilteredModels] = useState<Model[]>([]);
+  const [modelMappings, setModelMappings] = useState<Record<string, string>>(
+    {}
+  );
+  const [editingMapping, setEditingMapping] = useState<string | null>(null);
+  const [newMapping, setNewMapping] = useState({ from: '', to: '' });
 
   const {
     data: modelsData,
@@ -31,6 +41,23 @@ export default function ModelsPage() {
     refetchOnWindowFocus: false,
   });
 
+  const {
+    data: mappingsData,
+    isLoading: isLoadingMappings,
+    error: mappingsError,
+    refetch: refetchMappings,
+  } = useQuery({
+    queryKey: ['model-mappings'],
+    queryFn: () => ModelMappingService.getModelMappings(),
+    refetchOnWindowFocus: false,
+  });
+
+  React.useEffect(() => {
+    if (mappingsData) {
+      setModelMappings(mappingsData);
+    }
+  }, [mappingsData]);
+
   const { models = [], groups = [] } = modelsData || {};
 
   const groupedModels = useMemo(() => {
@@ -67,6 +94,40 @@ export default function ModelsPage() {
     });
   }, [groupedModels, groupDataMap, groups]);
 
+  const handleAddMapping = async () => {
+    if (!newMapping.from || !newMapping.to) return;
+
+    try {
+      await ModelMappingService.createModelMapping({
+        from: newMapping.from,
+        to: newMapping.to,
+      });
+      setNewMapping({ from: '', to: '' });
+      refetchMappings();
+    } catch (error) {
+      console.error('Failed to add mapping:', error);
+    }
+  };
+
+  const handleDeleteMapping = async (from: string) => {
+    try {
+      await ModelMappingService.deleteModelMapping(from);
+      refetchMappings();
+    } catch (error) {
+      console.error('Failed to delete mapping:', error);
+    }
+  };
+
+  const handleUpdateMapping = async (from: string, to: string) => {
+    try {
+      await ModelMappingService.updateModelMapping(from, { to });
+      setEditingMapping(null);
+      refetchMappings();
+    } catch (error) {
+      console.error('Failed to update mapping:', error);
+    }
+  };
+
   return (
     <SidebarProvider>
       <AppSidebar variant='inset' />
@@ -81,8 +142,9 @@ export default function ModelsPage() {
             </div>
 
             <Tabs defaultValue='manage' className='w-full'>
-              <TabsList className='grid w-full grid-cols-3'>
+              <TabsList className='grid w-full grid-cols-4'>
                 <TabsTrigger value='manage'>Manage Models</TabsTrigger>
+                <TabsTrigger value='mappings'>Model Mappings</TabsTrigger>
                 {/*<TabsTrigger value='test-basic'>Basic Testing</TabsTrigger>
                 <TabsTrigger value='test-api'>API Endpoints</TabsTrigger> */}
               </TabsList>
@@ -267,6 +329,164 @@ export default function ModelsPage() {
                 )}
               </TabsContent>
 
+              <TabsContent value='mappings' className='space-y-4'>
+                <div className='text-muted-foreground text-sm'>
+                  Manage model ID mappings to redirect requests from one model
+                  to another. This is useful for maintaining compatibility with
+                  legacy model names or creating aliases.
+                </div>
+
+                {isLoadingMappings ? (
+                  <div className='space-y-4'>
+                    <Skeleton className='h-[200px] w-full' />
+                  </div>
+                ) : mappingsError ? (
+                  <Alert variant='destructive'>
+                    <AlertCircle className='h-4 w-4' />
+                    <AlertDescription>
+                      Failed to load model mappings. Please try refreshing the
+                      page.
+                    </AlertDescription>
+                  </Alert>
+                ) : (
+                  <div className='space-y-6'>
+                    <Card>
+                      <CardHeader>
+                        <CardTitle className='flex items-center gap-2'>
+                          <Plus className='h-5 w-5' />
+                          Add New Model Mapping
+                        </CardTitle>
+                      </CardHeader>
+                      <CardContent>
+                        <div className='grid grid-cols-1 gap-4 md:grid-cols-3'>
+                          <Input
+                            placeholder='From model ID'
+                            value={newMapping.from}
+                            onChange={(e) =>
+                              setNewMapping({
+                                ...newMapping,
+                                from: e.target.value,
+                              })
+                            }
+                          />
+                          <Input
+                            placeholder='To model ID'
+                            value={newMapping.to}
+                            onChange={(e) =>
+                              setNewMapping({
+                                ...newMapping,
+                                to: e.target.value,
+                              })
+                            }
+                          />
+                          <Button
+                            onClick={handleAddMapping}
+                            disabled={!newMapping.from || !newMapping.to}
+                            className='w-full'
+                          >
+                            <Plus className='mr-2 h-4 w-4' />
+                            Add Mapping
+                          </Button>
+                        </div>
+                      </CardContent>
+                    </Card>
+
+                    <Card>
+                      <CardHeader>
+                        <CardTitle>Current Model Mappings</CardTitle>
+                      </CardHeader>
+                      <CardContent>
+                        {Object.keys(modelMappings).length === 0 ? (
+                          <div className='text-muted-foreground py-8 text-center'>
+                            No model mappings configured
+                          </div>
+                        ) : (
+                          <div className='space-y-3'>
+                            {Object.entries(modelMappings).map(([from, to]) => (
+                              <div
+                                key={from}
+                                className='flex items-center justify-between gap-4 rounded-lg border p-4'
+                              >
+                                <div className='grid flex-1 grid-cols-1 gap-4 md:grid-cols-2'>
+                                  <div>
+                                    <label className='text-muted-foreground text-sm font-medium'>
+                                      From
+                                    </label>
+                                    <div className='font-mono text-sm'>
+                                      {from}
+                                    </div>
+                                  </div>
+                                  <div>
+                                    <label className='text-muted-foreground text-sm font-medium'>
+                                      To
+                                    </label>
+                                    {editingMapping === from ? (
+                                      <div className='flex items-center gap-2'>
+                                        <Input
+                                          defaultValue={to}
+                                          id={`edit-${from}`}
+                                          className='text-sm'
+                                        />
+                                        <Button
+                                          size='sm'
+                                          onClick={() => {
+                                            const input =
+                                              document.getElementById(
+                                                `edit-${from}`
+                                              ) as HTMLInputElement;
+                                            handleUpdateMapping(
+                                              from,
+                                              input.value
+                                            );
+                                          }}
+                                        >
+                                          <Save className='h-4 w-4' />
+                                        </Button>
+                                        <Button
+                                          size='sm'
+                                          variant='outline'
+                                          onClick={() =>
+                                            setEditingMapping(null)
+                                          }
+                                        >
+                                          <X className='h-4 w-4' />
+                                        </Button>
+                                      </div>
+                                    ) : (
+                                      <div className='font-mono text-sm'>
+                                        {to}
+                                      </div>
+                                    )}
+                                  </div>
+                                </div>
+                                {editingMapping !== from && (
+                                  <div className='flex items-center gap-2'>
+                                    <Button
+                                      size='sm'
+                                      variant='outline'
+                                      onClick={() => setEditingMapping(from)}
+                                    >
+                                      <Edit2 className='h-4 w-4' />
+                                    </Button>
+                                    <Button
+                                      size='sm'
+                                      variant='destructive'
+                                      onClick={() => handleDeleteMapping(from)}
+                                    >
+                                      <Trash2 className='h-4 w-4' />
+                                    </Button>
+                                  </div>
+                                )}
+                              </div>
+                            ))}
+                          </div>
+                        )}
+                      </CardContent>
+                    </Card>
+                  </div>
+                )}
+              </TabsContent>
+
               <TabsContent value='test-basic' className='space-y-4'>
                 <div className='text-muted-foreground text-sm'>
                   Test model credentials and connectivity with basic chat

ui/lib/api/services/modelMappings.ts

@@ -0,0 +1,78 @@
+import { apiClient } from '../client';
+import { z } from 'zod';
+
+export const ModelMappingSchema = z.object({
+  from: z.string(),
+  to: z.string(),
+});
+
+export const CreateModelMappingSchema = z.object({
+  from: z.string(),
+  to: z.string(),
+});
+
+export const UpdateModelMappingSchema = z.object({
+  to: z.string(),
+});
+
+export const ModelMappingsResponseSchema = z.record(z.string());
+
+export const ReloadMappingsResponseSchema = z.object({
+  ok: z.boolean(),
+  mappings: z.record(z.string()),
+});
+
+export type ModelMapping = z.infer<typeof ModelMappingSchema>;
+export type CreateModelMapping = z.infer<typeof CreateModelMappingSchema>;
+export type UpdateModelMapping = z.infer<typeof UpdateModelMappingSchema>;
+export type ModelMappingsResponse = z.infer<typeof ModelMappingsResponseSchema>;
+export type ReloadMappingsResponse = z.infer<
+  typeof ReloadMappingsResponseSchema
+>;
+
+export class ModelMappingService {
+  static async getModelMappings(): Promise<ModelMappingsResponse> {
+    return await apiClient.get<ModelMappingsResponse>(
+      '/admin/api/model-mappings'
+    );
+  }
+
+  static async createModelMapping(
+    data: CreateModelMapping
+  ): Promise<ModelMappingsResponse> {
+    return await apiClient.post<ModelMappingsResponse>(
+      '/admin/api/model-mappings',
+      {
+        from: data.from,
+        to: data.to,
+      }
+    );
+  }
+
+  static async updateModelMapping(
+    fromModel: string,
+    data: UpdateModelMapping
+  ): Promise<ModelMappingsResponse> {
+    return await apiClient.put<ModelMappingsResponse>(
+      `/admin/api/model-mappings/${encodeURIComponent(fromModel)}`,
+      {
+        to: data.to,
+      }
+    );
+  }
+
+  static async deleteModelMapping(
+    fromModel: string
+  ): Promise<ModelMappingsResponse> {
+    return await apiClient.delete<ModelMappingsResponse>(
+      `/admin/api/model-mappings/${encodeURIComponent(fromModel)}`
+    );
+  }
+
+  static async reloadModelMappings(): Promise<ReloadMappingsResponse> {
+    return await apiClient.post<ReloadMappingsResponse>(
+      '/admin/api/model-mappings/reload',
+      {}
+    );
+  }
+}