Add openhands provider with support for claude-sonnet-4-20250514, claude-opus-4-20250514, gemini-2.5-pro, and o4-mini

frontend/src/utils/map-provider.ts

@@ -23,6 +23,7 @@ export const MAP_PROVIDER = {
   replicate: "Replicate",
   voyage: "Voyage AI",
   openrouter: "OpenRouter",
+  openhands: "OpenHands",
 };
 
 export const mapProvider = (provider: string) =>

frontend/src/utils/verified-models.ts

@@ -1,5 +1,5 @@
 // Here are the list of verified models and providers that we know work well with OpenHands.
-export const VERIFIED_PROVIDERS = ["openai", "azure", "anthropic", "deepseek"];
+export const VERIFIED_PROVIDERS = ["openai", "azure", "anthropic", "deepseek", "openhands"];
 export const VERIFIED_MODELS = [
   "o3-mini-2025-01-31",
   "o3-2025-04-16",
@@ -8,6 +8,8 @@ export const VERIFIED_MODELS = [
   "claude-3-7-sonnet-20250219",
   "claude-sonnet-4-20250514",
   "claude-opus-4-20250514",
+  "gemini-2.5-pro",
+  "o4-mini",
   "deepseek-chat",
 ];
 

openhands/cli/settings.py

@@ -15,6 +15,7 @@ from openhands.cli.utils import (
     VERIFIED_ANTHROPIC_MODELS,
     VERIFIED_MISTRAL_MODELS,
     VERIFIED_OPENAI_MODELS,
+    VERIFIED_OPENHANDS_MODELS,
     VERIFIED_PROVIDERS,
     organize_models_and_providers,
 )
@@ -234,6 +235,11 @@ async def modify_llm_settings_basic(
                 m for m in provider_models if m not in VERIFIED_MISTRAL_MODELS
             ]
             provider_models = VERIFIED_MISTRAL_MODELS + provider_models
+        if provider == 'openhands':
+            provider_models = [
+                m for m in provider_models if m not in VERIFIED_OPENHANDS_MODELS
+            ]
+            provider_models = VERIFIED_OPENHANDS_MODELS + provider_models
 
         # Set default model to the best verified model for the provider
         if provider == 'anthropic' and VERIFIED_ANTHROPIC_MODELS:
@@ -245,6 +251,9 @@ async def modify_llm_settings_basic(
         elif provider == 'mistral' and VERIFIED_MISTRAL_MODELS:
             # Use the first model in the VERIFIED_MISTRAL_MODELS list as it's the best/newest
             default_model = VERIFIED_MISTRAL_MODELS[0]
+        elif provider == 'openhands' and VERIFIED_OPENHANDS_MODELS:
+            # Use the first model in the VERIFIED_OPENHANDS_MODELS list as it's the best/newest
+            default_model = VERIFIED_OPENHANDS_MODELS[0]
         else:
             # For other providers, use the first model in the list
             default_model = (

openhands/cli/utils.py

@@ -104,6 +104,8 @@ def extract_model_and_provider(model: str) -> ModelInfo:
             return ModelInfo(provider='anthropic', model=split[0], separator='/')
         if split[0] in VERIFIED_MISTRAL_MODELS:
             return ModelInfo(provider='mistral', model=split[0], separator='/')
+        if split[0] in VERIFIED_OPENHANDS_MODELS:
+            return ModelInfo(provider='openhands', model=split[0], separator='/')
         # return as model only
         return ModelInfo(provider='', model=model, separator='')
 
@@ -145,7 +147,7 @@ def organize_models_and_providers(
     return result_dict
 
 
-VERIFIED_PROVIDERS = ['anthropic', 'openai', 'mistral']
+VERIFIED_PROVIDERS = ['anthropic', 'openai', 'mistral', 'openhands']
 
 VERIFIED_OPENAI_MODELS = [
     'o4-mini',
@@ -178,6 +180,13 @@ VERIFIED_MISTRAL_MODELS = [
     'devstral-small-2505',
 ]
 
+VERIFIED_OPENHANDS_MODELS = [
+    'claude-sonnet-4-20250514',
+    'claude-opus-4-20250514',
+    'gemini-2.5-pro',
+    'o4-mini',
+]
+
 
 class ProviderInfo(BaseModel):
     """Information about a provider and its models."""

openhands/llm/llm.py

@@ -170,6 +170,15 @@ class LLM(RetryMixin, DebugMixin):
             # litellm will handle it a bit differently than the openai-compatible params
             kwargs['top_k'] = self.config.top_k
 
+        # Handle OpenHands provider - rewrite to litellm_proxy
+        if self.config.model.startswith('openhands/'):
+            model_name = self.config.model.removeprefix('openhands/')
+            self.config.model = f'litellm_proxy/{model_name}'
+            self.config.base_url = 'https://llm-proxy.app.all-hands.dev/'
+            logger.debug(
+                f'Rewrote openhands/{model_name} to {self.config.model} with base URL {self.config.base_url}'
+            )
+
         if (
             self.config.model.lower() in REASONING_EFFORT_SUPPORTED_MODELS
             or self.config.model.split('/')[-1] in REASONING_EFFORT_SUPPORTED_MODELS