diff --git a/litellm/integrations/otel/plumbing/routing.py b/litellm/integrations/otel/plumbing/routing.py
index 6a04dbb9bc8..d2457b9ce57 100644
--- a/litellm/integrations/otel/plumbing/routing.py
+++ b/litellm/integrations/otel/plumbing/routing.py
@@ -15,7 +15,7 @@ from collections import OrderedDict
 from collections.abc import Mapping
 from dataclasses import dataclass
 from types import MappingProxyType
-from typing import Any, Final, TypeAlias
+from typing import Final, TypeAlias
 from urllib.parse import quote
 
 from opentelemetry.sdk.trace import TracerProvider
@@ -32,6 +32,7 @@ from litellm.integrations.otel.presets import (
     dynamic_otlp_headers,
     project_routing_headers,
 )
+from litellm.types.utils import StandardCallbackDynamicParams
 
 # Exporter kinds that ignore headers — never rewritten with dynamic credentials.
 _NON_OTLP_KINDS: Final = ("console", "in_memory", "inmemory", "memory")
@@ -166,7 +167,7 @@ class TenantTracerCache:
     def route_for(
         self,
         default: Tracer,
-        dynamic_params: Any,
+        dynamic_params: StandardCallbackDynamicParams | None,
         auth_metadata: Mapping[str, str] | None = None,
     ) -> TenantRoute:
         """Return the tracer (and trace-detachment flag) for this request.
diff --git a/litellm/proxy/common_request_processing.py b/litellm/proxy/common_request_processing.py
index dbbf9cb673e..3d097051f2f 100644
--- a/litellm/proxy/common_request_processing.py
+++ b/litellm/proxy/common_request_processing.py
@@ -4,7 +4,7 @@ import json
 import logging
 import math
 import traceback
-from collections.abc import AsyncGenerator, Awaitable, Callable, Mapping
+from collections.abc import AsyncGenerator, Awaitable, Callable, Mapping, Sequence
 from datetime import datetime
 from functools import lru_cache
 from types import MappingProxyType
@@ -279,7 +279,7 @@ def _deferred_stream_logging_is_armed(request_data: dict) -> bool:
     )
 
 
-def _assembled_model_came_from_a_later_chunk(chunks: list, assembled_model: object) -> bool:
+def _assembled_model_came_from_a_later_chunk(chunks: Sequence[object], assembled_model: object) -> bool:
     """Report whether stream_chunk_builder picked a model the first chunk did not carry.
 
     Azure Model Router puts the routed model on the chunks after the first one, and the
@@ -301,7 +301,10 @@ def _assembled_model_came_from_a_later_chunk(chunks: list, assembled_model: obje
     )
 
 
-def _assembled_model_is_the_name_the_client_asked_for(request_data: dict, assembled_model: object) -> bool:
+def _assembled_model_is_the_name_the_client_asked_for(
+    request_data: Mapping[str, object],
+    assembled_model: object,
+) -> bool:
     """Report whether the assembled model is the public name the proxy stamps onto chunks.
 
     That stamp is what leaves an unpriced alias on the partial response, so the deployment's
diff --git a/litellm/proxy/common_utils/reset_budget_job.py b/litellm/proxy/common_utils/reset_budget_job.py
index 8fcb184b26a..bc750243574 100644
--- a/litellm/proxy/common_utils/reset_budget_job.py
+++ b/litellm/proxy/common_utils/reset_budget_job.py
@@ -1182,7 +1182,7 @@ class ResetBudgetJob:
             if not raw:
                 continue
             row_id: str = row[source.id_column]
-            windows: list = raw if isinstance(raw, list) else json.loads(raw)
+            windows: list[dict[str, object]] = raw if isinstance(raw, list) else json.loads(raw)
             changed = False
             for window in windows:
                 counter_key = f"{source.counter_prefix}:{row_id}:window:{window['budget_duration']}"
diff --git a/litellm/proxy/spend_tracking/budget_reservation.py b/litellm/proxy/spend_tracking/budget_reservation.py
index ce6c9330620..87d9aa01a08 100644
--- a/litellm/proxy/spend_tracking/budget_reservation.py
+++ b/litellm/proxy/spend_tracking/budget_reservation.py
@@ -1261,7 +1261,7 @@ def _count_input_tokens_for_models(
 _INPUT_SIZE_FIELDS: Final = ("messages", "prompt", "input", "query", "documents", "tools", "tool_choice")
 
 
-def _approximate_input_size(request_body: dict) -> int:
+def _approximate_input_size(request_body: Mapping[str, object]) -> int:
     """Length of the request's input text, a cheap stand-in for tokenizing cost.
 
     Every field _count_input_tokens hands the tokenizer is sized here, and
diff --git a/ruff-strict-budget.json b/ruff-strict-budget.json
index a990f7c3830..e651600eb8f 100644
--- a/ruff-strict-budget.json
+++ b/ruff-strict-budget.json
@@ -24,7 +24,7 @@
     "limit": 133
   },
   "ANN401": {
-    "limit": 1188
+    "limit": 1187
   },
   "ASYNC230": {
     "limit": 11
@@ -234,7 +234,7 @@
     "limit": 5
   },
   "TID251": {
-    "limit": 1212
+    "limit": 1211
   },
   "TRY002": {
     "limit": 524
diff --git a/tests/test_litellm/llms/anthropic/experimental_pass_through/adapters/test_anthropic_experimental_pass_through_adapters_transformation.py b/tests/test_litellm/llms/anthropic/experimental_pass_through/adapters/test_anthropic_experimental_pass_through_adapters_transformation.py
index e4dacc308dc..d4168d88818 100644
--- a/tests/test_litellm/llms/anthropic/experimental_pass_through/adapters/test_anthropic_experimental_pass_through_adapters_transformation.py
+++ b/tests/test_litellm/llms/anthropic/experimental_pass_through/adapters/test_anthropic_experimental_pass_through_adapters_transformation.py
@@ -635,7 +635,7 @@ def test_translate_anthropic_to_openai_orders_top_level_and_midturn_system():
 
 
 def _translate_with_metadata(
-    model: str, metadata: dict[str, Any], custom_llm_provider: str | None
+    model: str, metadata: dict[str, str], custom_llm_provider: str | None
 ) -> dict[str, Any]:
     openai_request, _ = LiteLLMAnthropicMessagesAdapter().translate_anthropic_to_openai(
         anthropic_message_request={
diff --git a/tests/test_litellm/proxy/common_utils/test_reset_budget_job.py b/tests/test_litellm/proxy/common_utils/test_reset_budget_job.py
index 25c177a308d..1d045732c76 100644
--- a/tests/test_litellm/proxy/common_utils/test_reset_budget_job.py
+++ b/tests/test_litellm/proxy/common_utils/test_reset_budget_job.py
@@ -1948,14 +1948,14 @@ class FakePodLockManager:
         if self.redis_cache is not None:
             self.redis_cache.async_get_cache = AsyncMock(return_value="another-pod" if held_by_other else None)
         self._acquired = acquired
-        self.acquire_calls: List[Dict[str, Any]] = []
+        self.acquire_calls: List[Dict[str, str | int | None]] = []
         self.release_calls: List[str] = []
 
     @staticmethod
     def get_redis_lock_key(cronjob_id: str) -> str:
         return f"cronjob_lock:{cronjob_id}"
 
-    async def acquire_lock(self, cronjob_id: str, ttl: Any = None) -> bool:
+    async def acquire_lock(self, cronjob_id: str, ttl: int | None = None) -> bool:
         self.acquire_calls.append({"cronjob_id": cronjob_id, "ttl": ttl})
         return self._acquired