From 0939250f07ec37f95b725d8e7a8b8026505aee2f Mon Sep 17 00:00:00 2001
From: Danny Avila <danny@librechat.ai>
Date: Fri, 8 Aug 2025 11:15:29 -0400
Subject: [PATCH] =?UTF-8?q?=F0=9F=9B=A3=EF=B8=8F=20fix:=20Remove=20Title?=
 =?UTF-8?q?=20Tokens=20Limit=20for=20GPT-5=20Models=20(#8948)?=
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* 🛣️ fix: Remove Title Tokens Limit for GPT-5 Models

* 🛣️ fix: Remove max_completion_tokens from modelKwargs when maxTokens is disabled

* chore: Add test-image* to .gitignore for CI/CD data
---
 .gitignore                              |  3 +++
 api/server/controllers/agents/client.js | 15 ++++++---------
 2 files changed, 9 insertions(+), 9 deletions(-)

diff --git a/.gitignore b/.gitignore
index 461eef9d2..38b9bbc9e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -13,6 +13,9 @@ pids
 *.seed
 .git
 
+# CI/CD data
+test-image*
+
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
 
diff --git a/api/server/controllers/agents/client.js b/api/server/controllers/agents/client.js
index 7a6d0cce1..4f4b84d53 100644
--- a/api/server/controllers/agents/client.js
+++ b/api/server/controllers/agents/client.js
@@ -1122,17 +1122,14 @@ class AgentClient extends BaseClient {
       clientOptions.configuration = options.configOptions;
     }
 
-    // Ensure maxTokens is set for non-o1 models
-    if (!/\b(o\d)\b/i.test(clientOptions.model) && !clientOptions.maxTokens) {
+    const shouldRemoveMaxTokens = /\b(o\d|gpt-[5-9])\b/i.test(clientOptions.model);
+    if (shouldRemoveMaxTokens && clientOptions.maxTokens != null) {
+      delete clientOptions.maxTokens;
+    } else if (!shouldRemoveMaxTokens && !clientOptions.maxTokens) {
       clientOptions.maxTokens = 75;
-    } else if (/\b(o\d)\b/i.test(clientOptions.model) && clientOptions.maxTokens != null) {
-      delete clientOptions.maxTokens;
     }
-
-    if (/\bgpt-[5-9]\b/i.test(clientOptions.model) && clientOptions.maxTokens != null) {
-      clientOptions.modelKwargs = clientOptions.modelKwargs ?? {};
-      clientOptions.modelKwargs.max_completion_tokens = clientOptions.maxTokens;
-      delete clientOptions.maxTokens;
+    if (shouldRemoveMaxTokens && clientOptions?.modelKwargs?.max_completion_tokens != null) {
+      delete clientOptions.modelKwargs.max_completion_tokens;
     }
 
     clientOptions = Object.assign(