WhichAI / Models / Doubao Seed 2.1 Pro

Doubao Seed 2.1 Pro

· verified July 26, 2026

public paid api info-only enterprise multilingual

Provider

Statuspublic

AA Intelligence Index~42 (WhichAI estimate)

Releasedn/a

Context windown/a

Modalitiesn/a

API price $/1M (in / out)n/a

Speedn/a

AccessChina-focused: served via ByteDance's Volcano Engine cloud only

The score shown is a WhichAI estimate from adjacent benchmarks, not an official measurement.

In one line

Built for raw scale - the Doubao family reportedly handles over a hundred trillion token calls a day, mostly inside China's consumer apps. Hard to access from the West.

Coding72

Reasoning70

Writing64

Agents & tools68

Category scores (0-100) are WhichAI blended ratings: public category leaderboards plus editorial judgment. Guidance, not official measurements.

Alternatives worth a look

MiMo-V2.5-Pro (Xiaomi) · AA 42.2Xiaomi cloud & devices (closed)
Hunyuan 3.0 (Hy3) (Tencent) · AA 41.2Open weights (Apache 2.0, released July 6, 2026) · 295B MoE, 21B active · 256K context
Inkling (Thinking Machines Lab) · AA 40.7Open weights (Apache 2.0) on Hugging Face · Tinker API (256K ctx)

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Artificial Analysis Intelligence Index, 2026 rebased scale (top models ≈ 55–60). Snapshot: July 24, 2026 (BenchLM mirror), retrieved July 26, 2026. Context, price and release data come from vendor pages and public pricing mirrors (retrieved July 19, 2026). Missing values are not published or not yet verified - shown as -. Sources are linked inside the app (Model guide and About > Methodology).