ChatGPT 5.1 Codex openai/gpt-5.1-codex OpenAI ChatGPT 5.2 openai/gpt-5.2 OpenAI Claude Haiku 4.5 anthropic/claude-haiku-4-5 Anthropic Claude Opus 4.6 anthropic/claude-opus-4-6 Anthropic Claude Sonnet 4.5 anthropic/claude-sonnet-4-5 Anthropic Kimi nvidia/moonshotai/kimi-k2.5 NVIDIA/Moonshot Llama7B groq/llama-3.1-70b-versatile Groq Llama8B groq/llama-3.1-8b-instant Groq