ParallelKernelBench: leaderboard

ParallelKernelBench (Together AI) — generating correct and fast parallel GPU kernels; Fast1@3 = share of problems with a correct >=1x-speedup kernel in 3 attempts.

Metric: Fast1@3 (% of problems). Source: www.together.ai. Saturation forecast: Around June 2027. 6 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5.531.03#31
2Claude Opus 4.722.99#49
3Gemini 3 Pro21.84#80
4GLM-5.13.45#97
5GLM-5.22.3#73
6DeepSeek V4 Pro1.15#102

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=parallelkernelbench · How It Works · Data refreshed daily, snapshot 2026-10-20.