Home › Models › ByteDance › Doubao Seed 2.1 Pro

Doubao Seed 2.1 Pro

ByteDance 3.2T multimodal flagship: 98.3% AIME, 94.2% tau2-Bench, 89.5% Video-MME.

ByteDance 3.2T-parameter flagship live on the gateway, leading multimodal video/math benchmarks (98.3% AIME, 94.2% tau2-Bench, 89.5% Video-MME) with 280B active MoE.

Doubao Seed 2.1 Pro anchors ByteDance's multimodal and tool-use frontier lineup. Excels at deep STEM reasoning, competitive algorithms (3020 Codeforces), and visual/video comprehension.

Frontier multimodal reasoningSTEM/mathTool benchmarksVideo analysisMultimodal video/PDF analysisComplex STEMHigh-stakes tool execution

Strengths

98.3% AIME, 94.2% tau2-Bench, 89.5% Video-MME, 92.6% MathVision, 87.8% LiveCodeBench.

Considerations

Use `seed-2-1-pro` for hardest multimodal and math tasks; offload routine work to `seed-2-1-turbo` or `seed-2-1-lite`.

Live throughput history

source: status.ebotservers.com

Parameters3.2T

Context1M

Max output128K

Intelligence index34

TPS avg 24h0.0

TTFB p500 ms

Uptime100.0%

Published benchmarks

Terminal-Bench 2.1 71%

LiveCodeBench 87.8%

GPQA Diamond 88.9%

MathVision 92.6%

CharXiv 85.4%

Video-MME 89.5%

MMMU-Pro 81.6%

AIME 98.3%

Codeforces 3020rating

tau2-Bench 94.2%

BabyVision 73.7%

Call it

Other models from ByteDance

Doubao Seed 2.1 Turbo 1.2T

Doubao Seed 2.1 Lite 400B

Doubao Seed 2.0 Pro 2.4T

Doubao Seed 2.0 Code 680B

Doubao Seed 2.0 Lite 320B

Doubao Seed 2.0 Mini 120B