diff --git a/README.md b/README.md
index 0a8e514..3253be8 100644
--- a/README.md
+++ b/README.md
@@ -154,15 +154,13 @@ Add this configuration:
     "ANTHROPIC_MODEL": "claude-opus-4-5-thinking",
     "ANTHROPIC_DEFAULT_OPUS_MODEL": "claude-opus-4-5-thinking",
     "ANTHROPIC_DEFAULT_SONNET_MODEL": "claude-sonnet-4-5-thinking",
-    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "gemini-2.5-flash-lite[1m]",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "claude-sonnet-4-5",
     "CLAUDE_CODE_SUBAGENT_MODEL": "claude-sonnet-4-5-thinking",
     "ENABLE_EXPERIMENTAL_MCP_CLI": "true"
   }
 }
 ```
 
-(Please use **gemini-2.5-flash-lite** as the default haiku model, even if others are claude, as claude code makes several calls via the haiku model for background tasks. If you use claude model for it, you may use you claude usage sooner)
-
 Or to use Gemini models:
 
 ```json
@@ -173,7 +171,7 @@ Or to use Gemini models:
     "ANTHROPIC_MODEL": "gemini-3-pro-high[1m]",
     "ANTHROPIC_DEFAULT_OPUS_MODEL": "gemini-3-pro-high[1m]",
     "ANTHROPIC_DEFAULT_SONNET_MODEL": "gemini-3-flash[1m]",
-    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "gemini-2.5-flash-lite[1m]",
+    "ANTHROPIC_DEFAULT_HAIKU_MODEL": "gemini-3-flash[1m]",
     "CLAUDE_CODE_SUBAGENT_MODEL": "gemini-3-flash[1m]",
     "ENABLE_EXPERIMENTAL_MCP_CLI": "true"
   }
diff --git a/src/constants.js b/src/constants.js
index 5433d1c..c79f35e 100644
--- a/src/constants.js
+++ b/src/constants.js
@@ -242,7 +242,7 @@ export const DEFAULT_PRESETS = [
             ANTHROPIC_MODEL: 'claude-opus-4-5-thinking',
             ANTHROPIC_DEFAULT_OPUS_MODEL: 'claude-opus-4-5-thinking',
             ANTHROPIC_DEFAULT_SONNET_MODEL: 'claude-sonnet-4-5-thinking',
-            ANTHROPIC_DEFAULT_HAIKU_MODEL: 'gemini-2.5-flash-lite[1m]',
+            ANTHROPIC_DEFAULT_HAIKU_MODEL: 'claude-sonnet-4-5',
             CLAUDE_CODE_SUBAGENT_MODEL: 'claude-sonnet-4-5-thinking',
             ENABLE_EXPERIMENTAL_MCP_CLI: 'true'
         }
@@ -255,7 +255,7 @@ export const DEFAULT_PRESETS = [
             ANTHROPIC_MODEL: 'gemini-3-pro-high[1m]',
             ANTHROPIC_DEFAULT_OPUS_MODEL: 'gemini-3-pro-high[1m]',
             ANTHROPIC_DEFAULT_SONNET_MODEL: 'gemini-3-flash[1m]',
-            ANTHROPIC_DEFAULT_HAIKU_MODEL: 'gemini-2.5-flash-lite[1m]',
+            ANTHROPIC_DEFAULT_HAIKU_MODEL: 'gemini-3-flash[1m]',
             CLAUDE_CODE_SUBAGENT_MODEL: 'gemini-3-flash[1m]',
             ENABLE_EXPERIMENTAL_MCP_CLI: 'true'
         }