Humanity's Last Exam (HLE)
2,500 expert-written, closed-ended questions across dozens of academic subjects, including multimodal items.
Reference by Center for AI Safety and Scale AI
Chalk Labs
Need help deploying Humanity's Last Exam (HLE)?
Chalk Labs sets up agents like this inside real teams: connected to your tools, tested on your data, with a human in the loop where it matters.
About
Use cases: llm-evaluation
Reviews
Write a reviewNo reviews yet. Installed it? Reviews come from verified installers only. How reviews work
About the benchmark
- Benchmark site
- lastexam.ai/
- Maintainer
- Center for AI Safety and Scale AIlastexam.ai
- Launched
- 2025-01arxiv.org
We link to the official leaderboard instead of copying scores. Benchmarks get gamed and saturate; we never use them to rank listings.
Signals
- Stars
- 1,725
- Forks
- 114
- Open issues
- 0
- Last commit
- Sep 23, 2026 (1 month ago)
From GitHub (fetched Oct 24, 2026).
Details
- License
- MIT
- Repository
- github.com/centerforaisafety/hle
- Website
- lastexam.ai/
- Docs
- lastexam.ai/
- First seen
- Oct 24, 2026
- Last checked
- Oct 24, 2026
Done for you
Rather not set it up yourself?
Chalk Labs scopes, builds and runs agents for your team: the task audit, the eval harness, the integrations and the weekly ops report. Fixed scope, priced before we start.
See how we build AI agents →Read the case studies
Chalk Labs is a two-founder AI and growth studio. We build AI agents, CRMs and MVPs for Web3 and AI companies, and have shipped 50+ product and token launches.
- launches shipped
- 50+
- launches shipped
- media placements
- 500+
- media placements
- founders on every account
- 2
- founders on every account
Press we've placed: Forbes · CoinDesk · Decrypt · Cointelegraph · The Block
Rahil Jain, Co-founder, Chalk Labs. Ex-Goldman Sachs engineer. You talk to the person who builds it.
Get Humanity's Last Exam (HLE) running in your business
Tell us what you want to automate. A founder replies within one working day with a plan, not a pitch deck.
Cite this page
Humanity's Last Exam (HLE) benchmark. Agent Mart. https://agentmart.dev/reference/humanitys-last-exam (last updated 2026-10-24)