diff --git a/agent/auxiliary_client.py b/agent/auxiliary_client.py
index 5e8a60e76..a04a9568c 100644
--- a/agent/auxiliary_client.py
+++ b/agent/auxiliary_client.py
@@ -144,6 +144,7 @@ _API_KEY_PROVIDER_AUX_MODELS: Dict[str, str] = {
     "stepfun": "step-3.5-flash",
     "kimi-coding-cn": "kimi-k2-turbo-preview",
     "minimax": "MiniMax-M2.7",
+    "minimax-oauth": "MiniMax-M2.7-highspeed",
     "minimax-cn": "MiniMax-M2.7",
     "anthropic": "claude-haiku-4-5-20251001",
     "ai-gateway": "google/gemini-3-flash",
@@ -2672,7 +2673,7 @@ def _get_task_extra_body(task: str) -> Dict[str, Any]:
 
 # Providers that use Anthropic-compatible endpoints (via OpenAI SDK wrapper).
 # Their image content blocks must use Anthropic format, not OpenAI format.
-_ANTHROPIC_COMPAT_PROVIDERS = frozenset({"minimax", "minimax-cn"})
+_ANTHROPIC_COMPAT_PROVIDERS = frozenset({"minimax", "minimax-oauth", "minimax-cn"})
 
 
 def _is_anthropic_compat_endpoint(provider: str, base_url: str) -> bool:
diff --git a/agent/model_metadata.py b/agent/model_metadata.py
index 850e16662..04746fdf8 100644
--- a/agent/model_metadata.py
+++ b/agent/model_metadata.py
@@ -46,7 +46,7 @@ def _resolve_requests_verify() -> bool | str:
 # are preserved so the full model name reaches cache lookups and server queries.
 _PROVIDER_PREFIXES: frozenset[str] = frozenset({
     "openrouter", "nous", "openai-codex", "copilot", "copilot-acp",
-    "gemini", "ollama-cloud", "zai", "kimi-coding", "kimi-coding-cn", "stepfun", "minimax", "minimax-cn", "anthropic", "deepseek",
+    "gemini", "ollama-cloud", "zai", "kimi-coding", "kimi-coding-cn", "stepfun", "minimax", "minimax-oauth", "minimax-cn", "anthropic", "deepseek",
     "opencode-zen", "opencode-go", "ai-gateway", "kilocode", "alibaba",
     "qwen-oauth",
     "xiaomi",
diff --git a/hermes_cli/main.py b/hermes_cli/main.py
index 7de68d2cb..ffd6ec4cf 100644
--- a/hermes_cli/main.py
+++ b/hermes_cli/main.py
@@ -1594,6 +1594,8 @@ def select_provider_and_model(args=None):
         _model_flow_openai_codex(config, current_model)
     elif selected_provider == "qwen-oauth":
         _model_flow_qwen_oauth(config, current_model)
+    elif selected_provider == "minimax-oauth":
+        _model_flow_minimax_oauth(config, current_model, args=args)
     elif selected_provider == "google-gemini-cli":
         _model_flow_google_gemini_cli(config, current_model)
     elif selected_provider == "copilot-acp":
@@ -2474,6 +2476,53 @@ def _model_flow_qwen_oauth(_config, current_model=""):
         print("No change.")
 
 
+def _model_flow_minimax_oauth(config, current_model="", args=None):
+    """MiniMax OAuth provider: ensure logged in, then pick model."""
+    from hermes_cli.auth import (
+        get_provider_auth_state,
+        _prompt_model_selection,
+        _save_model_choice,
+        _update_config_for_provider,
+        resolve_minimax_oauth_runtime_credentials,
+        AuthError,
+        format_auth_error,
+        _login_minimax_oauth,
+        PROVIDER_REGISTRY,
+    )
+    state = get_provider_auth_state("minimax-oauth")
+    if not state or not state.get("access_token"):
+        print("Not logged into MiniMax. Starting OAuth login...")
+        print()
+        try:
+            mock_args = argparse.Namespace(
+                region=getattr(args, "region", None) or "global",
+                no_browser=bool(getattr(args, "no_browser", False)),
+                timeout=getattr(args, "timeout", None) or 15.0,
+            )
+            _login_minimax_oauth(mock_args, PROVIDER_REGISTRY["minimax-oauth"])
+        except SystemExit:
+            print("Login cancelled or failed.")
+            return
+        except Exception as exc:
+            print(f"Login failed: {exc}")
+            return
+
+    try:
+        creds = resolve_minimax_oauth_runtime_credentials()
+    except AuthError as exc:
+        print(format_auth_error(exc))
+        return
+
+    from hermes_cli.models import _PROVIDER_MODELS
+    model_ids = _PROVIDER_MODELS.get("minimax-oauth", [])
+    selected = _prompt_model_selection(model_ids, current_model)
+    if not selected:
+        return
+    _save_model_choice(selected)
+    _update_config_for_provider("minimax-oauth", creds["base_url"])
+    print(f"\u2713 Using MiniMax model: {selected}")
+
+
 def _model_flow_google_gemini_cli(_config, current_model=""):
     """Google Gemini OAuth (PKCE) via Cloud Code Assist — supports free AND paid tiers.
 
@@ -6949,6 +6998,7 @@ For more help on a command:
             "kimi-coding-cn",
             "stepfun",
             "minimax",
+            "minimax-oauth",
             "minimax-cn",
             "kilocode",
             "xiaomi",
diff --git a/hermes_cli/models.py b/hermes_cli/models.py
index 3a902ffdf..6ac5413f2 100644
--- a/hermes_cli/models.py
+++ b/hermes_cli/models.py
@@ -248,6 +248,10 @@ _PROVIDER_MODELS: dict[str, list[str]] = {
         "MiniMax-M2.1",
         "MiniMax-M2",
     ],
+    "minimax-oauth": [
+        "MiniMax-M2.7",
+        "MiniMax-M2.7-highspeed",
+    ],
     "minimax-cn": [
         "MiniMax-M2.7",
         "MiniMax-M2.5",
@@ -732,6 +736,7 @@ CANONICAL_PROVIDERS: list[ProviderEntry] = [
     ProviderEntry("kimi-coding-cn", "Kimi / Moonshot (China)",  "Kimi / Moonshot China (Moonshot CN direct API)"),
     ProviderEntry("stepfun",        "StepFun Step Plan",       "StepFun Step Plan (agent/coding models via Step Plan API)"),
     ProviderEntry("minimax",        "MiniMax",                  "MiniMax (global direct API)"),
+    ProviderEntry("minimax-oauth",  "MiniMax (OAuth)",          "MiniMax via OAuth browser login (Coding Plan, minimax.io)"),
     ProviderEntry("minimax-cn",     "MiniMax (China)",          "MiniMax China (domestic direct API)"),
     ProviderEntry("alibaba",        "Alibaba Cloud (DashScope)","Alibaba Cloud / DashScope Coding (Qwen + multi-provider)"),
     ProviderEntry("ollama-cloud",   "Ollama Cloud",             "Ollama Cloud (cloud-hosted open models — ollama.com)"),
@@ -771,6 +776,9 @@ _PROVIDER_ALIASES = {
     "arceeai": "arcee",
     "minimax-china": "minimax-cn",
     "minimax_cn": "minimax-cn",
+    "minimax-portal": "minimax-oauth",
+    "minimax-global": "minimax-oauth",
+    "minimax_oauth": "minimax-oauth",
     "claude": "anthropic",
     "claude-code": "anthropic",
     "deep-seek": "deepseek",