diff --git a/packages/opencode/src/provider/transform.ts b/packages/opencode/src/provider/transform.ts
index 1df6d3e4423..a69d86319c1 100644
--- a/packages/opencode/src/provider/transform.ts
+++ b/packages/opencode/src/provider/transform.ts
@@ -348,7 +348,7 @@ export namespace ProviderTransform {
       }
       return 0.6
     }
-    if (model.api.id.toLowerCase().includes("ling")) return 0.3 // kilocode_change
+    if (model.api.id.toLowerCase().startsWith("ling")) return 0.3 // kilocode_change
     return undefined
   }
 
@@ -358,7 +358,7 @@ export namespace ProviderTransform {
     if (["minimax-m2", "gemini", "kimi-k2.5", "kimi-k2p5", "kimi-k2-5"].some((s) => id.includes(s))) {
       return 0.95
     }
-    if (model.api.id.toLowerCase().includes("ling")) return 0.95 // kilocode_change
+    if (model.api.id.toLowerCase().startsWith("ling")) return 0.95 // kilocode_change
     return undefined
   }
 
@@ -369,7 +369,7 @@ export namespace ProviderTransform {
       return 20
     }
     if (id.includes("gemini")) return 64
-    if (model.api.id.toLowerCase().includes("ling")) return 20 // kilocode_change
+    if (model.api.id.toLowerCase().startsWith("ling")) return 20 // kilocode_change
     return undefined
   }
 
diff --git a/packages/opencode/src/session/system.ts b/packages/opencode/src/session/system.ts
index 35c3f7e1b3b..c04ed0a8261 100644
--- a/packages/opencode/src/session/system.ts
+++ b/packages/opencode/src/session/system.ts
@@ -66,7 +66,7 @@ export namespace SystemPrompt {
     if (model.api.id.includes("claude")) return [PROMPT_ANTHROPIC]
     if (model.api.id.toLowerCase().includes("trinity")) return [PROMPT_TRINITY]
     if (model.api.id.toLowerCase().includes("kimi")) return [PROMPT_KIMI]
-    if (model.api.id.toLowerCase().includes("ling")) return [PROMPT_LING] // kilocode_change
+    if (model.api.id.toLowerCase().startsWith("ling")) return [PROMPT_LING] // kilocode_change
     return [PROMPT_DEFAULT]
   }
 
diff --git a/packages/sdk/openapi.json b/packages/sdk/openapi.json
index 155cdbd407d..10783b16d87 100644
--- a/packages/sdk/openapi.json
+++ b/packages/sdk/openapi.json
@@ -15686,7 +15686,7 @@
           },
           "prompt": {
             "type": "string",
-            "enum": ["codex", "gemini", "beast", "anthropic", "trinity", "anthropic_without_todo"]
+            "enum": ["codex", "gemini", "beast", "anthropic", "trinity", "anthropic_without_todo", "ling"]
           },
           "isFree": {
             "type": "boolean"