Use dated models as well

Author: rijnb

types/openai.ts

@@ -63,9 +63,7 @@ export const OpenAIModels: Record<string, OpenAIModel> = {
 
 const normalizeModelId = (modelId: string): string => {
   // Strip a trailing date suffix like -YYYY-MM-DD (e.g., gpt-5-nano-2025-02-02 -> gpt-5-nano).
-  // For now, we won't do this, because it seems dated models are not always well supported.
-  // Code to nowmalize: return modelId.replace(/-\d{4}-\d{2}-\d{2}$/i, "")
-  return modelId
+  return modelId.replace(/-\d{4}-\d{2}-\d{2}$/i, "")
 }
 
 export const maxInputTokensForModel = (modelId: string) => {

utils/app/azure.ts

@@ -17,23 +17,26 @@
  */
 
 export const getAzureDeploymentIdForModelId = (deploymentId: string, modelId: string) => {
+  // Drop "-YYYY-MM-DD" from model name.
+  const cleanModelId = modelId.replace(/-\d{4}-\d{2}-\d{2}$/, "")
+
   // Use a ';'-separated list of IDs.
   const ids = deploymentId.split(";")
 
-  // If there are no IDs, return the modelId.
+  // If there are no IDs, return the cleanModelId.
   if (ids.length === 0) {
-    return modelId
+    return cleanModelId
   }
 
-  // Find an exact match for an ID ending in modelId.
-  const found = ids.filter((id) => id.endsWith(modelId))
+  // Find an exact match for an ID ending in cleanModelId.
+  const found = ids.filter((id) => id.endsWith(cleanModelId))
   if (found.length > 0) {
     return found[0]
   }
 
-  // Otherwise, replace the prefix if there's a "-" in modelId.
+  // Otherwise, replace the prefix if there's a "-" in cleanModelId.
   if (ids[0].includes("-")) {
-    return deploymentId.split("-")[0] + "-" + modelId
+    return deploymentId.split("-")[0] + "-" + cleanModelId
   } else {
     return ids[0]
   }