411 AI models ranked on Intelligence Index. 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 59.9, 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 Intelligence Index benchmark?
Artificial Analysis's headline composite score (0 to 100) that combines many independent evaluations across reasoning, knowledge, science, coding and agentic tasks into a single number, each run independently by Artificial Analysis. The exact component evals and their weights are versioned by Artificial Analysis; see their methodology for the current makeup.
Which AI model scores highest on Intelligence Index?
Claude Fable 5 (Anthropic) leads with 59.9, from $10.00 per 1M input tokens.
How many models are ranked on Intelligence Index?
411 models carry a Intelligence Index 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.