Exa Launches Snapshot: 400 Billion Historical Web Pages Searchable

AI search company Exa launched Snapshot, an index of 400 billion historical web page snapshots that lets users and agents search the past web and compare pages across time. It is already being used for prediction-model backtesting and lab reinforcement learning.

2026-09-18 ~ 2026-09-18 · 3 related posts

• Exa launches Snapshot: an index of 400 billion historical webpage snapshots — seatedro · 2026-09-18
• Exa launches Snapshot: 400B historical webpage snapshots for time-travel search — ycombinator · 2026-09-18

1 near-duplicate retellings: jxnlco