Update proxy for modern model APIs

scripts/oai-reverse-proxy.http

@@ -7,8 +7,8 @@ Authorization: Bearer {{oai-key-1}}
 Content-Type: application/json
 
 {
-  "model": "gpt-3.5-turbo",
-  "max_tokens": 30,
+  "model": "gpt-4.1-mini",
+  "max_completion_tokens": 30,
   "stream": false,
   "messages": [
     {
@@ -18,6 +18,19 @@ Content-Type: application/json
   ]
 }
 
+###
+# @name OpenAI -- Responses API
+POST https://api.openai.com/v1/responses
+Authorization: Bearer {{oai-key-1}}
+Content-Type: application/json
+
+{
+  "model": "gpt-5.2",
+  "reasoning": { "effort": "medium" },
+  "max_output_tokens": 80,
+  "input": "This is a test prompt."
+}
+
 ###
 # @name OpenAI -- Text Completions
 POST https://api.openai.com/v1/completions
@@ -38,7 +51,7 @@ Authorization: Bearer {{oai-key-1}}
 Content-Type: application/json
 
 {
-  "model": "text-embedding-ada-002",
+  "model": "text-embedding-3-small",
   "input": "This is a test embedding input."
 }
 
@@ -81,8 +94,8 @@ Authorization: Bearer {{proxy-key}}
 Content-Type: application/json
 
 {
-  "model": "gpt-4-1106-preview",
-  "max_tokens": 20,
+  "model": "gpt-4.1",
+  "max_completion_tokens": 20,
   "stream": true,
   "temperature": 1,
   "seed": 123,
@@ -94,6 +107,20 @@ Content-Type: application/json
   ]
 }
 
+###
+# @name Proxy / OpenAI -- Native Responses API
+POST {{proxy-host}}/proxy/openai/v1/responses
+Authorization: Bearer {{proxy-key}}
+Content-Type: application/json
+
+{
+  "model": "gpt-5.2",
+  "reasoning": { "effort": "medium" },
+  "max_output_tokens": 64,
+  "stream": false,
+  "input": "Summarize the purpose of this reverse proxy in one sentence."
+}
+
 ###
 # @name Proxy / OpenAI -- Native Text Completions
 POST {{proxy-host}}/proxy/openai/v1/turbo-instruct/chat/completions
@@ -142,7 +169,7 @@ Authorization: Bearer {{proxy-key}}
 Content-Type: application/json
 
 {
-  "model": "text-embedding-ada-002",
+  "model": "text-embedding-3-small",
   "input": "This is a test embedding input."
 }
 
@@ -185,7 +212,7 @@ Authorization: Bearer {{proxy-key}}
 Content-Type: application/json
 
 {
-  "model": "gpt-3.5-turbo",
+  "model": "gpt-5.2",
   "max_tokens": 20,
   "stream": false,
   "temperature": 0,
@@ -197,6 +224,23 @@ Content-Type: application/json
   ]
 }
 
+###
+# @name Proxy / Google AI -- OpenAI-Compat Image Generation
+POST {{proxy-host}}/proxy/google-ai/v1/chat/completions
+Authorization: Bearer {{proxy-key}}
+Content-Type: application/json
+
+{
+  "model": "gemini-2.5-flash-image",
+  "stream": false,
+  "messages": [
+    {
+      "role": "user",
+      "content": "Generate a flat vector-style illustration of a red fox reading a newspaper at a cafe table."
+    }
+  ]
+}
+
 ###
 # @name Proxy / AWS Claude -- Native Completion
 POST {{proxy-host}}/proxy/aws/claude/v1/complete