Grok 4.20 Reasoning
xAI Grok 4.20 推理版，1M 上下文，具备行业领先运行速度与智能工具调用能力，幻觉率低，适合复杂推理任务。
- Vendor: xAI
- Context window: 1M tokens
- Official list price: input $1.25 / output $2.5 per 1M tokens
- Access: OpenAI-compatible API via HefuAI Platform (one key for all models)