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Seed 2.1 Pro

ByteDance · proprietary · seed-2.1-pro

ByteDance's flagship next-generation agent model built for real-world productivity. A deep-thinking model with strong demand understanding, long-horizon planning, and continuous self-repair, it delivers reliable end-to-end results across complex coding, long-chain agents, and multi-step engineering workflows. Seed 2.1 Pro also advances knowledge, reasoning, and multimodal understanding, with SOTA results across several video understanding benchmarks. Served via Volcano Engine as Doubao-Seed-2.1-pro.

CharXiv-DMathVisionMathVistaMathVerseVideo-MMEGDPval

Benchmark scores

BenchmarkScore
CharXiv-D0.95
MathVision0.94
MathVista0.91
MathVerse0.90
Video-MME0.89
GDPval0.88
RealWorldQA0.87
CharXiv-R0.86
BrowseComp0.86
MCP Atlas0.84
MMMU-Pro0.83
OSWorld0.79
Web Bench0.78
MobileWorld0.73
OfficeQA Pro0.72
Terminal-Bench 2.10.71
CyberGym0.70
Humanity's Last Exam0.56

Pricing

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AA metrics

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Arena Elo

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