From 3b50821555970c79d3c89ea5c33c7da26a3e774e Mon Sep 17 00:00:00 2001
From: Julien Talbot <Julientalbot@users.noreply.github.com>
Date: Tue, 14 Apr 2026 16:43:23 -0700
Subject: [PATCH] feat(xai): add xAI/Grok to provider prefix stripping

Add 'xai', 'x-ai', 'x.ai', 'grok' to _PROVIDER_PREFIXES so that
colon-prefixed model names (e.g. xai:grok-4.20) are stripped correctly
for context length lookups.

Cherry-picked from PR #9184 by @Julientalbot.
---
 agent/model_metadata.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/agent/model_metadata.py b/agent/model_metadata.py
index 3b5006648..46480da23 100644
--- a/agent/model_metadata.py
+++ b/agent/model_metadata.py
@@ -36,6 +36,7 @@ _PROVIDER_PREFIXES: frozenset[str] = frozenset({
     "opencode", "zen", "go", "vercel", "kilo", "dashscope", "aliyun", "qwen",
     "mimo", "xiaomi-mimo",
     "arcee-ai", "arceeai",
+    "xai", "x-ai", "x.ai", "grok",
     "qwen-portal",
 })