diff --git a/README.ja.md b/README.ja.md
index 5a7bb85429..d6a3c95837 100644
--- a/README.ja.md
+++ b/README.ja.md
@@ -188,7 +188,7 @@ picoclaw onboard
   ],
   "agents": {
     "defaults": {
-      "model_name": "gpt4"
+      "model_name": "deepseek/deepseek-chat"
     }
   },
   "channels": {
diff --git a/README.md b/README.md
index 2b770f2153..c24dda3004 100644
--- a/README.md
+++ b/README.md
@@ -222,7 +222,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt4",
+      "model_name": "deepseek/deepseek-chat",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
diff --git a/README.zh.md b/README.zh.md
index 4f4bde46a1..8ae2749cdd 100644
--- a/README.zh.md
+++ b/README.zh.md
@@ -224,7 +224,7 @@ picoclaw onboard
   "agents": {
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
-      "model_name": "gpt4",
+      "model": "deepseek/deepseek-chat",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
diff --git a/config/config.example.json b/config/config.example.json
index e8c6b3d3f0..cfb4d7783e 100644
--- a/config/config.example.json
+++ b/config/config.example.json
@@ -3,7 +3,7 @@
     "defaults": {
       "workspace": "~/.picoclaw/workspace",
       "restrict_to_workspace": true,
-      "model_name": "gpt4",
+      "model": "deepseek/deepseek-chat",
       "max_tokens": 8192,
       "temperature": 0.7,
       "max_tool_iterations": 20
diff --git a/pkg/migrate/migrate_test.go b/pkg/migrate/migrate_test.go
index b6b3d70aa1..7572834837 100644
--- a/pkg/migrate/migrate_test.go
+++ b/pkg/migrate/migrate_test.go
@@ -296,8 +296,8 @@ func TestConvertConfig(t *testing.T) {
 		if len(warnings) != 0 {
 			t.Errorf("expected no warnings, got %v", warnings)
 		}
-		if cfg.Agents.Defaults.Model != "glm-4.7" {
-			t.Errorf("default model should be glm-4.7, got %q", cfg.Agents.Defaults.Model)
+		if cfg.Agents.Defaults.Model != "deepseek/deepseek-chat" {
+			t.Errorf("default model should be deepseek/deepseek-chat, got %q", cfg.Agents.Defaults.Model)
 		}
 	})
 }