# KernelBench Hard

> A display-only benchmark for difficult GPU kernel implementation and optimization tasks.

Canonical page: https://benchlm.ai/benchmarks/kernelbenchhard

- Category: [Coding](/coding)
- Last updated: September 27, 2026

## About KernelBench Hard

- Year: 2026
- Tasks: Hard GPU kernel coding tasks
- Format: Task success rate
- Difficulty: Specialized systems programming
- Paper: [MiniMax M3 model card](https://huggingface.co/MiniMaxAI/MiniMax-M3)

MiniMax reports KernelBench Hard in the M3 comparison chart. BenchLM keeps it separate from Terminal-Bench Hard and excludes it from weighted coding scores.

KernelBench Hard is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (1 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [MiniMax M3](/models/minimax-m3) | MiniMax | 28.8% |

## FAQ

### What does KernelBench Hard measure?

A display-only benchmark for difficult GPU kernel implementation and optimization tasks.

### Which model scores highest on KernelBench Hard?

MiniMax M3 by MiniMax currently leads with a score of 28.8% on KernelBench Hard.

### How many models are evaluated on KernelBench Hard?

1 AI models have been evaluated on KernelBench Hard on BenchLM.

### Does KernelBench Hard affect BenchLM's overall score?

Not directly. KernelBench Hard is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.