From 5a213d35b56217546828a284fccfe607634c2bbd Mon Sep 17 00:00:00 2001
From: btyu <btyu@foxmail.com>
Date: Tue, 23 Jun 2026 18:23:35 -0700
Subject: [PATCH] Add github_copilot/gpt-5.5 and github_copilot/gpt-5.4-mini
 (responses-only)

Both models reject /v1/chat/completions with code=unsupported_api_for_model; only the /v1/responses endpoint is supported. Mirrors the existing github_copilot/gpt-5.3-codex entry.
---
 model_prices_and_context_window.json | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 3e844a8e3ed..e7c63aba6b1 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -19519,6 +19519,34 @@
         "supports_response_schema": true,
         "supports_vision": true
     },
+    "github_copilot/gpt-5.4-mini": {
+        "litellm_provider": "github_copilot",
+        "max_input_tokens": 128000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "responses",
+        "supported_endpoints": [
+            "/v1/responses"
+        ],
+        "supports_function_calling": true,
+        "supports_parallel_function_calling": true,
+        "supports_response_schema": true,
+        "supports_vision": true
+    },
+    "github_copilot/gpt-5.5": {
+        "litellm_provider": "github_copilot",
+        "max_input_tokens": 128000,
+        "max_output_tokens": 128000,
+        "max_tokens": 128000,
+        "mode": "responses",
+        "supported_endpoints": [
+            "/v1/responses"
+        ],
+        "supports_function_calling": true,
+        "supports_parallel_function_calling": true,
+        "supports_response_schema": true,
+        "supports_vision": true
+    },
     "github_copilot/mai-code-1-flash": {
         "cache_read_input_token_cost": 7.5e-08,
         "input_cost_per_token": 7.5e-07,