Add CerebrasLLMService and foundational example

src/pipecat/services/cerebras.py

@@ -0,0 +1,38 @@
+#
+# Copyright (c) 2024, Daily
+#
+# SPDX-License-Identifier: BSD 2-Clause License
+#
+
+from loguru import logger
+
+from pipecat.services.openai import OpenAILLMService
+
+
+class CerebrasLLMService(OpenAILLMService):
+    """A service for interacting with Cerebras's API using the OpenAI-compatible interface.
+
+    This service extends OpenAILLMService to connect to Cerebras's API endpoint while
+    maintaining full compatibility with OpenAI's interface and functionality.
+
+    Args:
+        api_key (str): The API key for accessing Cerebras's API
+        base_url (str, optional): The base URL for Cerebras API. Defaults to "https://api.cerebras.ai/v1"
+        model (str, optional): The model identifier to use. Defaults to "llama-3.3-70b"
+        **kwargs: Additional keyword arguments passed to OpenAILLMService
+    """
+
+    def __init__(
+        self,
+        *,
+        api_key: str,
+        base_url: str = "https://api.cerebras.ai/v1",
+        model: str = "llama-3.3-70b",
+        **kwargs,
+    ):
+        super().__init__(api_key=api_key, base_url=base_url, model=model, **kwargs)
+
+    def create_client(self, api_key=None, base_url=None, **kwargs):
+        """Create OpenAI-compatible client for Cerebras API endpoint."""
+        logger.debug(f"Creating Cerebras client with api {base_url}")
+        return super().create_client(api_key, base_url, **kwargs)