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Seed
ByteDance's Seed models behind the Doubao assistant — Pro, Lite, Mini and Code variants offered through Volcano Engine.
Model Facts
Latest model: Doubao-Seed-2.0
- Provider
- ByteDance
- Released
- Feb 14, 2026
- Weights
- Closed
Full Model List
| Model | Released | Status | Note |
|---|---|---|---|
| Doubao-Seed-2.0 | Feb 14, 2026 | current | Pro, Lite, Mini and Code variants for reasoning, general language, throughput and software development |
- Official model page:
- seed.bytedance.com
- Official documentation:
- volcengine.com/docs/82379
- Other sources:
- Doubao-Seed-2.0 (TechNode)
- Doubao Seed 2.0 (LLM Reference)
What it is
Doubao-Seed-2.0, unveiled on February 14, 2026, is ByteDance's latest Doubao model series. The family has Pro, Lite, Mini and Code variants; the Pro model targets long-chain reasoning and agent tasks and was benchmarked against GPT-5.2 and Gemini 3 Pro, with token pricing about an order of magnitude lower. It is available in the Doubao app and through Volcano Engine APIs.
Where this information comes from
Details come from launch coverage; ByteDance did not state a context window in the sources used. Release dates, context windows and benchmark scores are vendor-reported unless stated, and harnesses differ between labs, so treat the numbers as indicative.
Notable traits
- Closed weights, served through Volcano Engine.
- Very low token pricing.
- A dedicated Code variant for software development.