export type CometAPILLMModel = 'gpt-4o-mini' | 'gpt-5.5' | 'gpt-5.4' | 'gpt-5.4-mini' | 'gpt-5.4-nano' | 'claude-opus-4-8' | 'claude-sonnet-4-6' | 'gemini-3.5-flash' | 'deepseek-v4' | 'grok-4-3';