From 32e5e55f8408427a46bbac04cc8404f544b0235c Mon Sep 17 00:00:00 2001
From: Vincent Koc <vincentkoc@ieee.org>
Date: Tue, 3 Mar 2026 23:51:42 -0500
Subject: [PATCH] feat(models): add chatgpt gpt-5.3 oauth aliases

---
 model_prices_and_context_window.json | 58 ++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)

diff --git a/model_prices_and_context_window.json b/model_prices_and_context_window.json
index 81e99f3712d..342b3fda8bd 100644
--- a/model_prices_and_context_window.json
+++ b/model_prices_and_context_window.json
@@ -18437,6 +18437,64 @@
         "max_tokens": 8191,
         "mode": "embedding"
     },
+    "chatgpt/gpt-5.3-codex": {
+        "litellm_provider": "chatgpt",
+        "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
+    },
+    "chatgpt/gpt-5.3-codex-spark": {
+        "litellm_provider": "chatgpt",
+        "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
+    },
+    "chatgpt/gpt-5.3-instant": {
+        "litellm_provider": "chatgpt",
+        "max_input_tokens": 128000,
+        "max_output_tokens": 64000,
+        "max_tokens": 64000,
+        "mode": "responses",
+        "supported_endpoints": [
+            "/v1/chat/completions",
+            "/v1/responses"
+        ],
+        "supports_function_calling": true,
+        "supports_parallel_function_calling": true,
+        "supports_response_schema": true,
+        "supports_vision": true
+    },
+    "chatgpt/gpt-5.3-chat-latest": {
+        "litellm_provider": "chatgpt",
+        "max_input_tokens": 128000,
+        "max_output_tokens": 64000,
+        "max_tokens": 64000,
+        "mode": "responses",
+        "supported_endpoints": [
+            "/v1/chat/completions",
+            "/v1/responses"
+        ],
+        "supports_function_calling": true,
+        "supports_parallel_function_calling": true,
+        "supports_response_schema": true,
+        "supports_vision": true
+    },
     "chatgpt/gpt-5.2-codex": {
         "litellm_provider": "chatgpt",
         "max_input_tokens": 128000,