388 AI models ranked on Humanity's Last Exam. Each row shows the model’s score next to its cheapest API price per 1M tokens where it has one, so you can weigh quality against cost.
Top model today
Claude Fable 5 (Anthropic) leads at 53%, from $10.00 per 1M input.
Each labelled name links to that model’s page. Curated to the cost-efficiency frontier, top scorers and cheapest so labels stay readable; the full field is in the leaderboard table below (and via “select all”). Reasoning models (extended “thinking” before answering) carry a ring around the dot.
Prices are on-demand list rates. Enterprise commitments can be materially lower. Cost per task uses best-effort token usage.
Frequently asked questions
What is the Humanity's Last Exam benchmark?
A frontier academic benchmark of 2,500 expert-written questions spanning mathematics, the humanities and the natural sciences, in multiple-choice and short-answer formats. Each question has an unambiguous, verifiable answer that cannot be found by quick internet retrieval, and models are scored on accuracy.
Which AI model scores highest on Humanity's Last Exam?
Claude Fable 5 (Anthropic) leads with 53%, from $10.00 per 1M input tokens.
How many models are ranked on Humanity's Last Exam?
388 models carry a Humanity's Last Exam score. Scores come from Artificial Analysis; where a model has a live API price it is verified against LiteLLM and OpenRouter, and models with no current price are listed without one.