AI Atlas as of 9 Sept 2026
Pick any date: the models that existed, their context lengths and status at the time, the provider prices valid that day, the benchmark leaders known by then, the hardware. Every value opens the claim that establishes it, with its validity interval.
ObservedThis date is inside the observation history: values are claims that were current that day.
Observation history starts . AI Atlas observation history starts at 2026-08-28T00:00:00+00:00. The state is taken from claims, prices and results as they were known at the end of that UTC day.
Models
Models as of 9 Sept 2026 984
Showing 200 of 984 models that existed on this date (API cap 200). Open a model's History tab for its full as-of record.
“Today” columns compare the as-of value with the current record; “same” means no recorded change. Click any as-of value for the claim behind it (source, tier, valid from → to).
Shareable: this URL reproduces the view. Per-entity: every entity page has a History tab with the same as-of reconstruction. What changed since? Diff 9 Sept 2026 → today. Methodology →