THE BIGGER PICTURE
See how AI has improved.
Each dot is an AI model. Higher dots mean better test results.
About this chart
How much more capable has AI become?Up means more capability. Right means later. Click a model to see the evidence.
Epoch Capabilities Index · index points
| Model release | Artificial Analysis | Arena | SWE Verified |
|---|
Models without a comparable score
See the evidence
Curated releases and research through October 7, 2026. Click a circle or diamond to explore.
Entries in this view
Beyond the numbers
Explore milestonesDifferent tests.
Different strengths.
Learn what these tests measure and what their scores can tell us.
Explore the methodologyUnderstand the progress.
All guidesSIDE BY SIDE
Compare the releases
See what changed, with the versions and sources explained.
Explore THROUGH THE YEARSFollow each company
Selected release histories from OpenAI, Anthropic and Google.
Explore THE MEASUREMENTSMake sense of the scores
What each test measures and what a score cannot tell you.
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