# Model leaderboard: Know which AI model is best right now, and what each one is best at.

Canonical page: https://spezia.ai/tools/model-leaderboard

Every major AI model ranked on more than 40 benchmarks, from real paid work and coding agents to the hardest exams, with what each benchmark measures in plain words. See what jumped with each new release, which model leads each kind of work, and what each maker says its model is good at. Checked every four hours, so a new model is on the board the day it ships.

- **Part of:** Pick your AI stack
- **Plan:** Free. Free on Explorer. No card.
- **Open it:** [See the leaderboard](https://spezia.ai/app/start?tool=model-leaderboard)

## What you get

- **The best model right now.** One overall ranking from every benchmark two models share, so you see at a glance which model leads, by how much, and which leads each kind of work.
- **What jumped with each release.** Each new model against the one it replaced, benchmark by benchmark, shaded by how big the gain is, so a doubling stands out.
- **Every benchmark explained.** What each of more than 40 benchmarks asks a model to do, why it matters and how it is scored, with the leader and the record over time.

## How it works

1. Open the leaderboard and see the best model right now.
2. Pick a benchmark to rank every model on it and see the record over time.
3. Open a model for where it leads, where it trails and what its maker says about it.

## Who uses it

- [Operators and executives](https://spezia.ai/for/operators): Leaders deciding where AI goes in the business
- [Founders](https://spezia.ai/for/founders): People building or funding a company on AI
- [Investors](https://spezia.ai/for/investors): Venture, growth, public-market and family-office investors
- [Professionals](https://spezia.ai/for/professionals): Product managers, marketers, designers, lawyers, finance and sales people, consultants and clinicians
- [Engineers and career builders](https://spezia.ai/for/individuals): Engineers, skilled workers and students

## Questions

### How is the overall ranking worked out?

Like a chess rating. Every benchmark two models both have a result on counts as a game won by the higher score, and beating a strong model counts for more than beating a weak one. Tests of real work, agents and the hardest reasoning count fully; tests the best models have nearly maxed out count less.

### Where do the numbers come from?

Independent results from Epoch AI and LMArena, and the numbers makers publish in their own announcements and system cards, as collected by LLM Stats, each linked to its source. A maker's own number is marked as such and never ranked against an independent lab's.

### How fast is a new model added?

The board is checked every four hours. A new model appears the day it is announced or offered, and its results fill in as they are published.

### What is free?

The whole board: the ranking, every benchmark and chart, what jumped with each release, and the profiles of the top 5 models. Plus, $29 a month, opens every model's profile.