docs: Update models.mdx (#2916)

packages/web/src/content/docs/models.mdx

@@ -37,8 +37,8 @@ However, there are a only a few of them that are good at both generating code an
 
 Here are the ones we recommend with OpenCode:
 
-- Claude Sonnet 4
-- Claude Opus 4
+- Claude Sonnet 4.5
+- Claude Opus 4.1
 - Kimi K2
 - Qwen3 Coder
 - GPT 4.1
@@ -86,7 +86,7 @@ You can globally configure a model's options through the config.
     },
     "anthropic": {
       "models": {
-        "claude-sonnet-4-20250514": {
+        "claude-sonnet-4-5-20250929": {
           "options": {
             "thinking": {
               "type": "enabled",