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AI Atlas
Time machine

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 existingCanonical models whose release date (or first dated claim) is on or before the date.

711

Offers validPrice rows whose validity interval covers the date (append-only history).

0

Benchmark leadersBenchmarks with at least one result observed by the date.

0

HardwareHardware entities released on or before the date.

1

BasisReconstructed = before the first observation; observed = inside the recorded history.

reconstructed

Provider prices

Offers valid on 12 Mar 2026 0

Provider prices valid on 2026-03-12
ModelProviderInput / 1MOutput / 1MContextValid fromValid toSource
No price row's validity interval covers this date (price history starts when AI Atlas first observed the provider).

offers whose validity interval covers the date (price rows are append-only)

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 →