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AI Atlas
Time machine

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

984

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.

observed

Provider prices

Offers valid on 9 Sept 2026 0

Provider prices valid on 2026-09-09
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 9 Sept 2026 → today. Methodology →