From 64971bf5a77c175e87f0e947e707e9b5c0aab4a5 Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Tue, 24 Feb 2026 18:49:17 +0000
Subject: [PATCH] fix(models): mark MiniMax M2.5 reasoning as fixed (mandatory)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

MiniMax API rejects requests with reasoning disabled — error:
"Reasoning is mandatory for this endpoint and cannot be disabled."

Change from 'configurable' to 'fixed' so getReasoningParam() returns
undefined (no reasoning param sent), letting MiniMax handle it natively.

https://claude.ai/code/session_01K2mQTABDGY7DnnposPdDjw
---
 src/openrouter/models.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/openrouter/models.ts b/src/openrouter/models.ts
index d9c3634cb..25f98b5d4 100644
--- a/src/openrouter/models.ts
+++ b/src/openrouter/models.ts
@@ -360,7 +360,7 @@ export const MODELS: Record<string, ModelInfo> = {
     cost: '$0.20/$1.10',
     supportsTools: true,
     parallelCalls: true,
-    reasoning: 'configurable',
+    reasoning: 'fixed', // MiniMax API requires reasoning — cannot be disabled
     maxContext: 1000000,
   },
   grok: {