diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 4ed43ce99431..863f0127310b 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -410,7 +410,7 @@ export function variants(model: Provider.Model): Record<string, Record<string, a
     id.includes("glm") ||
     id.includes("mistral") ||
     id.includes("kimi") ||
-    id.includes("k2p5") ||
+    id.includes("k2p") ||
     id.includes("qwen") ||
     id.includes("big-pickle")
   )
@@ -851,11 +851,11 @@ export function options(input: {
     }
   }
 
-  // Enable thinking by default for kimi-k2.5/k2p5 models using anthropic SDK
+  // Enable thinking by default for kimi models using anthropic SDK
   const modelId = input.model.api.id.toLowerCase()
   if (
     (input.model.api.npm === "@ai-sdk/anthropic" || input.model.api.npm === "@ai-sdk/google-vertex/anthropic") &&
-    (modelId.includes("k2p5") || modelId.includes("kimi-k2.5") || modelId.includes("kimi-k2p5"))
+    (modelId.includes("k2p") || modelId.includes("kimi-k2.") || modelId.includes("kimi-k2p"))
   ) {
     result["thinking"] = {
       type: "enabled",