From cee95c04c49ed89f7d3417175550776cab32da41 Mon Sep 17 00:00:00 2001
From: Anthony <am2lau@uwaterloo.ca>
Date: Mon, 1 Jun 2026 02:01:32 -0700
Subject: [PATCH] fix(opencode): generate reasoning variants for all OpenRouter
 models

---
 packages/opencode/src/provider/transform.ts | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index c791aebf9713..48d237e419c6 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -672,7 +672,11 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
 
   switch (model.api.npm) {
     case "@openrouter/ai-sdk-provider":
-      if (!id.includes("gpt") && !id.includes("gemini-3") && !id.includes("claude")) return {}
+      if (!id.includes("gpt") && !id.includes("gemini-3") && !id.includes("claude")) {
+        return Object.fromEntries(
+          OPENAI_EFFORTS.map((effort) => [effort, { reasoning: { effort } }]),
+        )
+      }
       return Object.fromEntries(
         (id.includes("gpt") ? openaiCompatibleReasoningEfforts(id) : OPENAI_EFFORTS).map((effort) => [
           effort,