Grok 4.20 Non-Reasoning
xAI Grok 4.20 高速版，1M 上下文，低延迟高吞吐，提示遵循严格，适合实时对话与高并发场景。
- 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)