From 1720eac36fae6dc0b95f4a771861ac8f3bb6a7bd Mon Sep 17 00:00:00 2001
From: Christian Rocha <christian@rocha.is>
Date: Sat, 25 Apr 2026 15:26:00 -0400
Subject: [PATCH] fix(openrouter): don't clip thinking output on claude models

---
 providers/openrouter/language_model_hooks.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/providers/openrouter/language_model_hooks.go b/providers/openrouter/language_model_hooks.go
index d38fb8b17c3b68bab0f00ca7a0d9413748d01612..4ed73c446558eb19c157d3e3d9246a0026d9ff48 100644
--- a/providers/openrouter/language_model_hooks.go
+++ b/providers/openrouter/language_model_hooks.go
@@ -295,7 +295,8 @@ func languageModelStreamExtra(chunk openaisdk.ChatCompletionChunk, yield func(fa
 		currentState.format = detail.Format
 		ctx[reasoningStartedCtx] = currentState
 		delta := detail.Summary
-		if strings.HasPrefix(detail.Format, "google-gemini") {
+		if strings.HasPrefix(detail.Format, "google-gemini") ||
+			strings.HasPrefix(detail.Format, "anthropic-claude") {
 			delta = detail.Text
 		}
 		return ctx, yield(fantasy.StreamPart{