fix(main.py): fix passing openrouter specific params (#8184)

* fix(main.py): fix passing openrouter specific params

Fixes https://github.com/BerriAI/litellm/issues/8130

* test(test_get_model_info.py): add check for region name w/ cris model

Resolves https://github.com/BerriAI/litellm/issues/8115

litellm/main.py

@@ -2206,7 +2206,7 @@ def completion(  # type: ignore # noqa: PLR0915
             data = {"model": model, "messages": messages, **optional_params}
 
             ## COMPLETION CALL
-            response = openai_chat_completions.completion(
+            response = openai_like_chat_completion.completion(
                 model=model,
                 messages=messages,
                 headers=headers,
@@ -2221,6 +2221,8 @@ def completion(  # type: ignore # noqa: PLR0915
                 acompletion=acompletion,
                 timeout=timeout,  # type: ignore
                 custom_llm_provider="openrouter",
+                custom_prompt_dict=custom_prompt_dict,
+                encoding=encoding,
             )
             ## LOGGING
             logging.post_call(

tests/local_testing/test_completion.py

@@ -2605,6 +2605,21 @@ def test_completion_openrouter1():
         pytest.fail(f"Error occurred: {e}")
 
 
+def test_completion_openrouter_reasoning_effort():
+    try:
+        litellm.set_verbose = True
+        response = completion(
+            model="openrouter/deepseek/deepseek-r1",
+            messages=messages,
+            include_reasoning=True,
+            max_tokens=5,
+        )
+        # Add any assertions here to check the response
+        print(response)
+    except Exception as e:
+        pytest.fail(f"Error occurred: {e}")
+
+
 # test_completion_openrouter1()
 
 

tests/local_testing/test_get_model_info.py

@@ -376,3 +376,24 @@ def test_get_model_info_huggingface_models(monkeypatch):
         providers=["huggingface"],
         **info,
     )
+
+
+@pytest.mark.parametrize(
+    "model, provider",
+    [
+        ("bedrock/us-east-2/us.anthropic.claude-3-haiku-20240307-v1:0", None),
+        (
+            "bedrock/us-east-2/us.anthropic.claude-3-haiku-20240307-v1:0",
+            "bedrock",
+        ),
+    ],
+)
+def test_get_model_info_cost_calculator_bedrock_region_cris_stripped(model, provider):
+    """
+    ensure cross region inferencing model is used correctly
+    Relevant Issue: https://github.com/BerriAI/litellm/issues/8115
+    """
+    info = get_model_info(model=model, custom_llm_provider=provider)
+    print("info", info)
+    assert info["key"] == "us.anthropic.claude-3-haiku-20240307-v1:0"
+    assert info["litellm_provider"] == "bedrock"