feat: add Xiaomi MiMo v2.5-pro and v2.5 model support (#14635)

## Merged

Adds MiMo v2.5-pro and v2.5 support to Xiaomi native provider, OpenCode Go, and setup wizard.

### Changes
- Context lengths: added v2.5-pro (1M) and v2.5 (1M), corrected existing MiMo entries to exact values (262144)
- Provider lists: xiaomi, opencode-go, setup wizard
- Vision: upgraded from mimo-v2-omni to mimo-v2.5 (omnimodal)
- Config description updated for XIAOMI_API_KEY
- Tests updated for new vision model preference

### Verification
- 4322 tests passed, 0 new regressions
- Live API tested on Xiaomi portal: basic, reasoning, tool calling, multi-tool, file ops, system prompt, vision — all pass
- Self-review found and fixed 2 issues (redundant vision check, stale HuggingFace context length)

agent/auxiliary_client.py

@@ -151,7 +151,7 @@ _API_KEY_PROVIDER_AUX_MODELS: Dict[str, str] = {
 # differs from their main chat model, map it here.  The vision auto-detect
 # "exotic provider" branch checks this before falling back to the main model.
 _PROVIDER_VISION_MODELS: Dict[str, str] = {
-    "xiaomi": "mimo-v2-omni",
+    "xiaomi": "mimo-v2.5",
     "zai": "glm-5v-turbo",
 }
 

agent/model_metadata.py

@@ -183,12 +183,12 @@ DEFAULT_CONTEXT_LENGTHS = {
     "moonshotai/Kimi-K2.6": 262144,
     "moonshotai/Kimi-K2-Thinking": 262144,
     "MiniMaxAI/MiniMax-M2.5": 204800,
-    "XiaomiMiMo/MiMo-V2-Flash": 256000,
+    "XiaomiMiMo/MiMo-V2-Flash": 262144,
-    "mimo-v2-pro": 1000000,
+    "mimo-v2-pro": 1048576,
-    "mimo-v2-omni": 256000,
+    "mimo-v2.5-pro": 1048576,
-    "mimo-v2-flash": 256000,
+    "mimo-v2.5": 1048576,
-    "mimo-v2.5-pro": 1000000,
+    "mimo-v2-omni": 262144,
-    "mimo-v2.5": 1000000,
+    "mimo-v2-flash": 262144,
     "zai-org/GLM-5": 202752,
 }
 

hermes_cli/config.py

@@ -1291,7 +1291,7 @@ OPTIONAL_ENV_VARS = {
         "advanced": True,
     },
     "XIAOMI_API_KEY": {
-        "description": "Xiaomi MiMo API key for MiMo models (mimo-v2-pro, mimo-v2-omni, mimo-v2-flash)",
+        "description": "Xiaomi MiMo API key for MiMo models (mimo-v2.5-pro, mimo-v2.5, mimo-v2-pro, mimo-v2-omni, mimo-v2-flash)",
         "prompt": "Xiaomi MiMo API Key",
         "url": "https://platform.xiaomimimo.com",
         "password": True,

hermes_cli/models.py

@@ -250,6 +250,8 @@ _PROVIDER_MODELS: dict[str, list[str]] = {
         "deepseek-reasoner",
     ],
     "xiaomi": [
+        "mimo-v2.5-pro",
+        "mimo-v2.5",
         "mimo-v2-pro",
         "mimo-v2-omni",
         "mimo-v2-flash",
@@ -301,6 +303,8 @@ _PROVIDER_MODELS: dict[str, list[str]] = {
         "kimi-k2.5",
         "glm-5.1",
         "glm-5",
+        "mimo-v2.5-pro",
+        "mimo-v2.5",
         "mimo-v2-pro",
         "mimo-v2-omni",
         "minimax-m2.7",
@@ -692,7 +696,7 @@ CANONICAL_PROVIDERS: list[ProviderEntry] = [
     ProviderEntry("ai-gateway",     "Vercel AI Gateway",        "Vercel AI Gateway (200+ models, $5 free credit, no markup)"),
     ProviderEntry("anthropic",      "Anthropic",                "Anthropic (Claude models — API key or Claude Code)"),
     ProviderEntry("openai-codex",   "OpenAI Codex",             "OpenAI Codex"),
-    ProviderEntry("xiaomi",         "Xiaomi MiMo",              "Xiaomi MiMo (MiMo-V2 models — pro, omni, flash)"),
+    ProviderEntry("xiaomi",         "Xiaomi MiMo",              "Xiaomi MiMo (MiMo-V2.5 and V2 models — pro, omni, flash)"),
     ProviderEntry("nvidia",         "NVIDIA NIM",               "NVIDIA NIM (Nemotron models — build.nvidia.com or local NIM)"),
     ProviderEntry("qwen-oauth",     "Qwen OAuth (Portal)",      "Qwen OAuth (reuses local Qwen CLI login)"),
     ProviderEntry("copilot",        "GitHub Copilot",           "GitHub Copilot (uses GITHUB_TOKEN or gh auth token)"),

hermes_cli/setup.py

@@ -103,7 +103,7 @@ _DEFAULT_PROVIDER_MODELS = {
     "ai-gateway": ["anthropic/claude-opus-4.6", "anthropic/claude-sonnet-4.6", "openai/gpt-5", "google/gemini-3-flash"],
     "kilocode": ["anthropic/claude-opus-4.6", "anthropic/claude-sonnet-4.6", "openai/gpt-5.4", "google/gemini-3-pro-preview", "google/gemini-3-flash-preview"],
     "opencode-zen": ["gpt-5.4", "gpt-5.3-codex", "claude-sonnet-4-6", "gemini-3-flash", "glm-5", "kimi-k2.5", "minimax-m2.7"],
-    "opencode-go": ["kimi-k2.6", "kimi-k2.5", "glm-5.1", "glm-5", "mimo-v2-pro", "mimo-v2-omni", "minimax-m2.5", "minimax-m2.7", "qwen3.6-plus", "qwen3.5-plus"],
+    "opencode-go": ["kimi-k2.6", "kimi-k2.5", "glm-5.1", "glm-5", "mimo-v2.5-pro", "mimo-v2.5", "mimo-v2-pro", "mimo-v2-omni", "minimax-m2.7", "minimax-m2.5", "qwen3.6-plus", "qwen3.5-plus"],
     "huggingface": [
         "Qwen/Qwen3.5-397B-A17B", "Qwen/Qwen3-235B-A22B-Thinking-2507",
         "Qwen/Qwen3-Coder-480B-A35B-Instruct", "deepseek-ai/DeepSeek-R1-0528",

tests/agent/test_auxiliary_main_first.py

@@ -245,7 +245,7 @@ class TestResolveVisionMainFirst:
         assert model == "xiaomi/mimo-v2-omni"
 
     def test_exotic_provider_with_vision_override_preserved(self):
-        """xiaomi → mimo-v2-omni override still wins over main_model."""
+        """xiaomi → mimo-v2.5 override still wins over main_model."""
         with patch(
             "agent.auxiliary_client._read_main_provider", return_value="xiaomi",
         ), patch(
@@ -257,15 +257,15 @@ class TestResolveVisionMainFirst:
             "agent.auxiliary_client._resolve_task_provider_model",
             return_value=("auto", None, None, None, None),
         ):
-            mock_resolve.return_value = (MagicMock(), "mimo-v2-omni")
+            mock_resolve.return_value = (MagicMock(), "mimo-v2.5")
 
             from agent.auxiliary_client import resolve_vision_provider_client
 
             provider, client, model = resolve_vision_provider_client()
 
         assert provider == "xiaomi"
-        # Should use mimo-v2-omni (vision override), not mimo-v2-pro (text main)
+        # Should use mimo-v2.5 (vision override), not mimo-v2-pro (text main)
-        assert mock_resolve.call_args.args[1] == "mimo-v2-omni"
+        assert mock_resolve.call_args.args[1] == "mimo-v2.5"
 
     def test_main_unavailable_vision_falls_through_to_aggregators(self):
         """Main provider fails → fall back to OpenRouter/Nous strict backends."""

tests/hermes_cli/test_xiaomi_provider.py

@@ -287,10 +287,10 @@ class TestXiaomiAuxiliary:
         assert "xiaomi" not in _API_KEY_PROVIDER_AUX_MODELS
 
     def test_vision_model_override(self):
-        """Xiaomi vision tasks should use mimo-v2-omni (multimodal), not the main model."""
+        """Xiaomi vision tasks should use mimo-v2.5 (multimodal), not the main model."""
         from agent.auxiliary_client import _PROVIDER_VISION_MODELS
         assert "xiaomi" in _PROVIDER_VISION_MODELS
-        assert _PROVIDER_VISION_MODELS["xiaomi"] == "mimo-v2-omni"
+        assert _PROVIDER_VISION_MODELS["xiaomi"] == "mimo-v2.5"
 
 
 # =============================================================================