Benchmark Almanac

SeedKernelBench

Only in system cards

Models write or optimize CUDA style kernels for operator tasks mined from FlashInfer, SGLang, FlashAttention, DeepGEMM, CUTLASS and cuDNN. Scored as average speedup over reference code.

In-house ByteDance Seed evaluation. The tasks are not public.

Made by ByteDance Seed Released Jun 2026 GPU kernels Tasks kept private Last in a system card Jun 2026 Last model added Jun 2026
Level
Expert Specialists with years of training, often over hours of work
Scored
Checked automatically A program checks the result against an answer key, unit tests or the expected final state.
Answers
Code A program or patch run against tests.
1
System card reports it, from 1 lab

No scores here yet

No lab, leaderboard or Epoch AI run has reported a score for SeedKernelBench yet.

Labs report it only in system cards

We read the headline results of 479 launch posts from 51 labs, and none of them list this benchmark. Some system cards do, below.

One system card reports it

Besides launch posts, we read the system cards, model cards and technical reports labs publish with a release. They report far more, including safety and frontier-risk tests.

DateDocumentScoreAs the document writes itSection
23 Jun 2026 Seed2.1 Pro model card 9.21 SeedKernelBench, average speedup 9.21x (Table 5) AI R&D risk

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