diff --git a/astrbot/core/config/default.py b/astrbot/core/config/default.py
index 6156601248..f19f8339db 100644
--- a/astrbot/core/config/default.py
+++ b/astrbot/core/config/default.py
@@ -1766,7 +1766,7 @@
                         "api_key": "",
                         "api_base": "https://api.minimax.chat/v1/t2a_v2",
                         "minimax-group-id": "",
-                        "model": "speech-02-turbo",
+                        "model": "speech-2.8-hd",
                         "minimax-langboost": "auto",
                         "minimax-voice-speed": 1.0,
                         "minimax-voice-vol": 1.0,
diff --git a/tests/unit/test_config.py b/tests/unit/test_config.py
index 56eebade06..e71f387d15 100644
--- a/tests/unit/test_config.py
+++ b/tests/unit/test_config.py
@@ -6,7 +6,7 @@
 import pytest
 
 from astrbot.core.config.astrbot_config import AstrBotConfig, RateLimitStrategy
-from astrbot.core.config.default import DEFAULT_VALUE_MAP
+from astrbot.core.config.default import CONFIG_METADATA_2, DEFAULT_VALUE_MAP
 from astrbot.core.config.i18n_utils import ConfigMetadataI18n
 from astrbot.core.utils.auth_password import (
     DEFAULT_DASHBOARD_PASSWORD,
@@ -43,6 +43,15 @@ def minimal_default_config():
     }
 
 
+def test_minimax_tts_default_model_is_speech_28_hd():
+    """MiniMax TTS should default to the current HD speech model."""
+    provider_sources = CONFIG_METADATA_2["provider_group"]["metadata"]["provider"][
+        "config_template"
+    ]
+
+    assert provider_sources["MiniMax TTS(API)"]["model"] == "speech-2.8-hd"
+
+
 class TestRateLimitStrategy:
     """Tests for RateLimitStrategy enum."""