diff --git a/backend_api_python/app/routes/market.py b/backend_api_python/app/routes/market.py
index 943c78a6c..85d7da7f0 100644
--- a/backend_api_python/app/routes/market.py
+++ b/backend_api_python/app/routes/market.py
@@ -180,7 +180,7 @@ def get_public_config():
                 'openai/gpt-5-mini': 'OpenAI: GPT-5 Mini',
                 'openai/gpt-4.1-mini': 'OpenAI: GPT-4.1 Mini',
                 'deepseek/deepseek-v3.2': 'DeepSeek: DeepSeek V3.2',
-                'minimax/minimax-m2': 'MiniMax: MiniMax M2',
+                'minimax/minimax-m3': 'MiniMax: MiniMax M3',
                 'anthropic/claude-sonnet-4': 'Anthropic: Claude Sonnet 4',
                 'anthropic/claude-sonnet-4.5': 'Anthropic: Claude Sonnet 4.5',
                 'anthropic/claude-opus-4.5': 'Anthropic: Claude Opus 4.5',
diff --git a/backend_api_python/app/routes/settings.py b/backend_api_python/app/routes/settings.py
index bee48aae8..2951389ef 100644
--- a/backend_api_python/app/routes/settings.py
+++ b/backend_api_python/app/routes/settings.py
@@ -537,8 +537,8 @@ def _refresh_runtime_services() -> None:
                 'key': 'MINIMAX_MODEL',
                 'label': 'MiniMax Model',
                 'type': 'text',
-                'default': 'MiniMax-M2.7',
-                'description': 'Model: MiniMax-M2.7, MiniMax-M2.7-highspeed',
+                'default': 'MiniMax-M3',
+                'description': 'Model: MiniMax-M3, MiniMax-M2.7, MiniMax-M2.7-highspeed',
                 'group': 'minimax'
             },
             {
diff --git a/backend_api_python/app/services/llm.py b/backend_api_python/app/services/llm.py
index f0bbae944..d95e88c1e 100644
--- a/backend_api_python/app/services/llm.py
+++ b/backend_api_python/app/services/llm.py
@@ -61,8 +61,8 @@ class LLMProvider(Enum):
     },
     LLMProvider.MINIMAX: {
         "base_url": "https://api.minimax.io/v1",
-        "default_model": "MiniMax-M2.7",
-        "fallback_model": "MiniMax-M2.7-highspeed",
+        "default_model": "MiniMax-M3",
+        "fallback_model": "MiniMax-M2.7",
     },
 }
 
diff --git a/backend_api_python/env.example b/backend_api_python/env.example
index a525ad408..7ae8658c0 100644
--- a/backend_api_python/env.example
+++ b/backend_api_python/env.example
@@ -158,7 +158,7 @@ CUSTOM_MODEL=
 
 # MiniMax (set LLM_PROVIDER=minimax)
 MINIMAX_API_KEY=
-MINIMAX_MODEL=MiniMax-M2.7
+MINIMAX_MODEL=MiniMax-M3
 MINIMAX_BASE_URL=https://api.minimax.io/v1
 
 # =========================