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Seed2.0 Model Card: Towards Intelligence Frontier for Real-World Complexity

About

We present Seed2.0, a model series that takes a meaningful step toward solving complex, real-world tasks. Our approach begins with identifying users' genuine needs and constructing a reliable, forward-looking evaluation system by selecting and abstracting benchmarks grounded in these needs and in realistic, complex scenarios. Guided by this evaluation system, Seed2.0 targets two persistent challenges, long-tail knowledge and complex instruction following, substantially improving the model's reliability on intricate, long-horizon tasks. Beyond these, Seed2.0 delivers world-leading reasoning intelligence, visual understanding, and search capabilities that address the most common needs of a broad user base. Through extensive real-world use cases documented in this model card, we demonstrate that Seed2.0 begins to exhibit the ability to handle initial complex real-world tasks, delivering greater value to hundreds of millions of users.

Bytedance Seed• 2026

Related benchmarks

TaskDatasetResultRank
Long Video UnderstandingLVBench
Accuracy76.4
267
Long Video UnderstandingLongVideoBench
Accuracy80.3
103
Long Video UnderstandingVideoMME
Accuracy89.5
97
Video UnderstandingMMVU
Accuracy78.2
91
Video ReasoningVideo-Holmes
Accuracy67.4
89
Deep ResearchDeepResearch Bench--
58
ScienceMMLU-Pro
Accuracy87
48
Code GenerationLiveCodeBench v6
Score81.7
45
General Video UnderstandingTempCompass
Accuracy89.6
43
General Visual Question AnsweringSimpleVQA
Pass@171.4
40
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