Poe Dev Chat assistant (default) gpt-4o (OpenAI) gpt-4.1-mini (OpenAI) gpt-3.5-turbo (OpenAI) claude-sonnet-3.5 (Anthropic) claude-haiku-3.5 (Anthropic) gemini-2.5-flash (Google) gemini-2.5-pro (Google) grok-4 (XAI) grok-3 (XAI) API key Regenerate