# Scale Labs Humanity's Last Exam (Humanity's Last Exam)

> A Scale Labs public leaderboard mirrored as display-only reference data. It does not affect BenchLM rankings.

Canonical page: https://benchlm.ai/benchmarks/scale-hle-diamond

- Category: [Knowledge](/knowledge)
- Last updated: September 29, 2026 snapshot

## About Humanity's Last Exam

- Year: 2026
- Tasks: 12 published rows
- Format: Published Scale leaderboard score
- Difficulty: External agent and model evaluation
- Paper: [Scale Labs leaderboard](https://labs.scale.com/leaderboard/hle-diamond)

BenchLM mirrors 12 published rows from the Humanity's Last Exam public table captured on September 29, 2026 snapshot.

Humanity's Last Exam is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (12 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [GPT-6 Astra](/models/gpt-6-astra) | OpenAI | 60.60% |
| 2 | [Claude Opus 5.5](/models/claude-opus-5-5) | Anthropic | 55.00% |
| 3 | [Claude Fable 5.1](/models/claude-fable-5-1) | Anthropic | 51.30% |
| 4 | [Claude Opus 5](/models/claude-opus-5) | Anthropic | 38.60% |
| 5 | [Gemini 3.8 Flash](/models/gemini-3-8-flash) | Google | 34.30% |
| 6 | [GPT-6 Sol](/models/gpt-6-sol) | OpenAI | 33.80% |
| 7 | [GPT-5.6 Sol](/models/gpt-5-6-sol) | OpenAI | 31.20% |
| 8 | [Muse Spark 1.3](/models/muse-spark-1-3) | Meta | 25.40% |
| 9 | [Grok 4.7](/models/grok-4-7) | xAI | 23.40% |
| 10 | [Kimi K3](/models/kimi-k3) | Moonshot AI | 22.20% |
| 11 | [GLM-5.3](/models/glm-5-3) | Z.AI | 16.40% |
| 12 | [DeepSeek V4 Pro 0813](/models/deepseek-v4-pro-0813) | DeepSeek | 13.40% |

## FAQ

### What does Humanity's Last Exam measure?

A Scale Labs public leaderboard mirrored as display-only reference data. It does not affect BenchLM rankings.

### Which model leads the published Humanity's Last Exam snapshot?

GPT-6 Astra currently leads the published Humanity's Last Exam snapshot with a score of 60.60%.

### How many models are evaluated on Humanity's Last Exam?

The September 29, 2026 snapshot contains 12 AI models.

### Does Humanity's Last Exam affect BenchLM's overall score?

Not directly. Humanity's Last Exam is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.