AI Atlas as of 12 Mar 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.
ReconstructedThis date is earlier than AI Atlas's first observation — the state is reconstructed from dated claims and release dates, not from direct observation.
Observation history starts . AI Atlas observation history starts at 2026-09-11T20:50:56.012288+00:00. This date is earlier: the state is RECONSTRUCTED from claims with effective dates and from release dates — not from direct observation.
Models
Models as of 12 Mar 2026 711
Showing 200 of 711 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 12 Mar 2026 → today. Methodology →