Fix #2451: Add support for OpenRouter as an embedding provider

Co-Authored-By: Joe Moura <joao@crewai.com>

src/crewai/utilities/embedding_configurator.py

@@ -19,6 +19,7 @@ class EmbeddingConfigurator:
             "huggingface": self._configure_huggingface,
             "watson": self._configure_watson,
             "custom": self._configure_custom,
+            "openrouter": self._configure_openrouter,
         }
 
     def configure_embedder(
@@ -210,6 +211,18 @@ class EmbeddingConfigurator:
 
         return WatsonEmbeddingFunction()
 
+    @staticmethod
+    def _configure_openrouter(config, model_name):
+        from chromadb.utils.embedding_functions.openai_embedding_function import (
+            OpenAIEmbeddingFunction,
+        )
+
+        return OpenAIEmbeddingFunction(
+            api_key=config.get("api_key") or os.getenv("OPENROUTER_API_KEY"),
+            api_base=config.get("api_base", "https://openrouter.ai/api/v1"),
+            model_name=model_name,
+        )
+
     @staticmethod
     def _configure_custom(config):
         custom_embedder = config.get("embedder")

tests/utilities/test_embedding_configurator.py

@@ -0,0 +1,35 @@
+import os
+import pytest
+from unittest.mock import patch, MagicMock
+
+from crewai.utilities.embedding_configurator import EmbeddingConfigurator
+
+
+def test_openrouter_embedder_configuration():
+    # Setup
+    configurator = EmbeddingConfigurator()
+    mock_openai_embedding = MagicMock()
+    
+    with patch(
+        "chromadb.utils.embedding_functions.openai_embedding_function.OpenAIEmbeddingFunction",
+        return_value=mock_openai_embedding,
+    ) as mock_embedder:
+        # Test with provided config
+        embedder_config = {
+            "provider": "openrouter",
+            "config": {
+                "api_key": "test-key",
+                "model": "test-model",
+            },
+        }
+        
+        # Execute
+        result = configurator.configure_embedder(embedder_config)
+        
+        # Verify
+        assert result == mock_openai_embedding
+        mock_embedder.assert_called_once_with(
+            api_key="test-key",
+            api_base="https://openrouter.ai/api/v1",
+            model_name="test-model",
+        )