diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 0667fc2eb098..0bdf29289e5e 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -1708,7 +1708,7 @@ function reasoningToggle(model: Provider.Model): NonNullable<Provider.Model["var
       none: { enableThinking: false },
       high: { enableThinking: true },
     }
-  if (model.api.npm === "@ai-sdk/cohere")
+  if (model.api.npm === "@ai-sdk/cohere" || model.api.npm === "@ai-sdk/openai-compatible")
     return {
       none: { thinking: { type: "disabled" } },
       high: { thinking: { type: "enabled" } },
diff --git a/packages/opencode/test/provider/transform.test.ts b/packages/opencode/test/provider/transform.test.ts
index 97f0de281483..5960fad498c9 100644
--- a/packages/opencode/test/provider/transform.test.ts
+++ b/packages/opencode/test/provider/transform.test.ts
@@ -3332,6 +3332,15 @@ describe("ProviderTransform.reasoningVariants", () => {
     expect(ProviderTransform.reasoningVariants(model([]), target("@ai-sdk/openai"))).toEqual({})
   })
 
+  test("converts openai-compatible toggle options", () => {
+    expect(
+      ProviderTransform.reasoningVariants(model([{ type: "toggle" }]), target("@ai-sdk/openai-compatible", "glm-4.7")),
+    ).toEqual({
+      none: { thinking: { type: "disabled" } },
+      high: { thinking: { type: "enabled" } },
+    })
+  })
+
   test.each([
     ["@openrouter/ai-sdk-provider", { reasoning: { effort: "high" } }],
     ["@ai-sdk/anthropic", { thinking: { type: "adaptive" }, effort: "high" }, "claude-opus-4-6"],