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[Feat] Add litellm.supports_reasoning() util to track if an llm supports reasoning (#9923)

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* add supports_reasoning for xai models

* add "supports_reasoning": true for o1 series models

* add supports_reasoning util

* add litellm.supports_reasoning

* add supports reasoning for claude 3-7 models

* add deepseek as supports reasoning

* test_supports_reasoning

* add supports reasoning to model group info

* add supports_reasoning

* docs supports reasoning

* fix supports_reasoning test

* "supports_reasoning": false,

* fix test

* supports_reasoning
This commit is contained in:
Ishaan Jaff 2025-04-11 17:56:04 -07:00 • committed by GitHub
parent 3afc4fe770
commit f7dfa264bb
13 changed files with 301 additions and 73 deletions
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45
litellm/router.py
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@ -339,9 +339,9 @@ class Router:
) # names of models under litellm_params. ex. azure/chatgpt-v-2
self.deployment_latency_map = {}
### CACHING ###
cache_type: Literal[
"local", "redis", "redis-semantic", "s3", "disk"
] = "local" # default to an in-memory cache
cache_type: Literal["local", "redis", "redis-semantic", "s3", "disk"] = (
"local" # default to an in-memory cache
)
redis_cache = None
cache_config: Dict[str, Any] = {}
@ -562,9 +562,9 @@ class Router:
)
)
self.model_group_retry_policy: Optional[
Dict[str, RetryPolicy]
] = model_group_retry_policy
self.model_group_retry_policy: Optional[Dict[str, RetryPolicy]] = (
model_group_retry_policy
)
self.allowed_fails_policy: Optional[AllowedFailsPolicy] = None
if allowed_fails_policy is not None:
@ -619,7 +619,7 @@ class Router:
@staticmethod
def _create_redis_cache(
cache_config: Dict[str, Any]
cache_config: Dict[str, Any],
) -> Union[RedisCache, RedisClusterCache]:
"""
Initializes either a RedisCache or RedisClusterCache based on the cache_config.
@ -1099,9 +1099,9 @@ class Router:
"""
Adds default litellm params to kwargs, if set.
"""
self.default_litellm_params[
metadata_variable_name
] = self.default_litellm_params.pop("metadata", {})
self.default_litellm_params[metadata_variable_name] = (
self.default_litellm_params.pop("metadata", {})
)
for k, v in self.default_litellm_params.items():
if (
k not in kwargs and v is not None
@ -3217,11 +3217,11 @@ class Router:
if isinstance(e, litellm.ContextWindowExceededError):
if context_window_fallbacks is not None:
fallback_model_group: Optional[
List[str]
] = self._get_fallback_model_group_from_fallbacks(
fallbacks=context_window_fallbacks,
model_group=model_group,
fallback_model_group: Optional[List[str]] = (
self._get_fallback_model_group_from_fallbacks(
fallbacks=context_window_fallbacks,
model_group=model_group,
)
)
if fallback_model_group is None:
raise original_exception
@ -3253,11 +3253,11 @@ class Router:
e.message += "\n{}".format(error_message)
elif isinstance(e, litellm.ContentPolicyViolationError):
if content_policy_fallbacks is not None:
fallback_model_group: Optional[
List[str]
] = self._get_fallback_model_group_from_fallbacks(
fallbacks=content_policy_fallbacks,
model_group=model_group,
fallback_model_group: Optional[List[str]] = (
self._get_fallback_model_group_from_fallbacks(
fallbacks=content_policy_fallbacks,
model_group=model_group,
)
)
if fallback_model_group is None:
raise original_exception
@ -5020,6 +5020,11 @@ class Router:
and model_info["supports_web_search"] is True # type: ignore
):
model_group_info.supports_web_search = True
if (
model_info.get("supports_reasoning", None) is not None
and model_info["supports_reasoning"] is True # type: ignore
):
model_group_info.supports_reasoning = True
if (
model_info.get("supported_openai_params", None) is not None
and model_info["supported_openai_params"] is not None