Doubao Seed 2.0 Pro
字节豆包 Seed 2.0 Pro 旗舰全能模型，256K 上下文，面向 Agent 时代复杂推理与长链路任务，多模态理解能力强。
- Vendor: ByteDance
- Context window: 262.144K tokens
- Official list price: input ¥3.2 / output ¥16 per 1M tokens
- Access: OpenAI-compatible API via HefuAI Platform (one key for all models)