Claude Sonnet 5
Anthropic 高性能编码与智能体模型（$2/$10 每百万 token，美元计价），能力、成本与速度均衡。
- Vendor: Anthropic
- Context window: 200K tokens
- Official list price: input $2.5 / output $12.5 per 1M tokens
- Access: OpenAI-compatible API via HefuAI Platform (one key for all models)