doubao-seed-2-0-pro · ByteDance
Doubao flagship all-purpose general model, targeting complex reasoning and long-chain task execution scenarios in the Agent era. It emphasizes multimodal understanding, long-context reasoning, structured generation, and tool-augmented execution. It excels at handling complex instructions and multi-constraint execution, reliably addressing multi-step complex planning, intricate image-text reasoning, video content understanding, and high-difficulty analysis scenarios.
Doubao flagship all-purpose general model, targeting complex reasoning and long-chain task execution scenarios in the Agent era. It emphasizes multimodal understanding, long-context reasoning, structured generation, and tool-augmented execution. It excels at handling complex instructions and multi-constraint execution, reliably addressing multi-step complex planning, intricate image-text reasoning, video content understanding, and high-difficulty analysis scenarios.
Doubao Seed 2.0 Pro has a 256,000 token context window.
On AIHubMix, Doubao Seed 2.0 Pro costs $0.4958 per million input tokens and $2.479 per million output tokens. Cached input reads are billed at $0.0992 per million tokens.
Doubao Seed 2.0 Pro accepts text, image, video and document input.
Doubao Seed 2.0 Pro supports thinking, web search, tool calling, function calling and structured outputs. Per-protocol parameter support is listed in the capability table on this page.
Doubao Seed 2.0 Pro is available through the AIHubMix unified API. The API is OpenAI-compatible: point your OpenAI SDK at https://aihubmix.com/v1, use your AIHubMix API key, and set the model name to doubao-seed-2-0-pro — no other code changes needed.
Doubao Seed 2.0 Pro is developed by ByteDance. AIHubMix aggregates it alongside models from other providers behind one API and one bill.
Doubao Seed 2.0 Pro was released on February 14, 2026 by ByteDance.
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Use Doubao Seed 2.0 Pro via the AIHubMix unified API — one interface for every major LLM.