chore: default model → openai/gpt-oss-20b:free (OpenAI open-source)

Apache 2.0 licensed, 21B MoE (3.6B active), free on OpenRouter.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

openclaw.json

@@ -26,12 +26,12 @@
         "api": "openai-completions",
         "models": [
           {
-            "id": "deepseek/deepseek-chat:free",
-            "name": "DeepSeek V3 (Free)"
+            "id": "openai/gpt-oss-20b:free",
+            "name": "GPT-OSS-20B (Free)"
           },
           {
-            "id": "stepfun/step-3.5-flash:free",
-            "name": "Step-3.5-Flash (Free)"
+            "id": "deepseek/deepseek-chat:free",
+            "name": "DeepSeek V3 (Free)"
           }
         ]
       }
@@ -52,7 +52,7 @@
     "defaults": {
       "workspace": "~/.openclaw/workspace",
       "model": {
-        "primary": "openrouter/deepseek/deepseek-chat:free"
+        "primary": "openrouter/openai/gpt-oss-20b:free"
       }
     }
   }

scripts/sync_hf.py

@@ -69,7 +69,7 @@ OPENCLAW_PASSWORD = os.environ.get("OPENCLAW_PASSWORD", "huggingclaw")
 
 # Default model for new conversations (infer from provider if not set)
 OPENCLAW_DEFAULT_MODEL = os.environ.get("OPENCLAW_DEFAULT_MODEL") or (
-    "openai/gpt-4o-mini" if OPENAI_API_KEY else "openrouter/deepseek/deepseek-chat:free"
+    "openai/gpt-4o-mini" if OPENAI_API_KEY else "openrouter/openai/gpt-oss-20b:free"
 )
 
 # HF Spaces built-in env vars (auto-set by HF runtime)
@@ -393,8 +393,8 @@ class OpenClawFullSync:
                     "apiKey": OPENROUTER_API_KEY,
                     "api": "openai-completions",
                     "models": [
-                        {"id": "deepseek/deepseek-chat:free", "name": "DeepSeek V3 (Free)"},
-                        {"id": "stepfun/step-3.5-flash:free", "name": "Step-3.5-Flash (Free)"}
+                        {"id": "openai/gpt-oss-20b:free", "name": "GPT-OSS-20B (Free)"},
+                        {"id": "deepseek/deepseek-chat:free", "name": "DeepSeek V3 (Free)"}
                     ]
                 }
                 print("[SYNC] Set OpenRouter provider")