CerebrasChatModels: "llama3.1-8b" | "llama-3.3-70b" | "llama-4-scout-17b-16e-instruct" | "llama-4-maverick-17b-128e-instruct" | "qwen-3-32b" | "qwen-3-235b-a22b-instruct-2507" | "qwen-3-235b-a22b-thinking-2507" | "qwen-3-coder-480b" | "gpt-oss-120b"