Max frontier model context window (tokens)

Deployment breadth · source: Published frontier model specifications

2,097,152z = +2.06 · as at 2026-08-16
2,248,9241,148,57648,228Jan '24Dec '24Nov '25Aug '26

What this measures

The largest context window offered by a frontier model, in tokens. Literally how much of your data an AI can read in a single pass. It has grown from a few thousand tokens in 2023 to millions now.

Recent values

DateValue
2026-08-162,097,152
2026-08-152,097,152
2026-08-142,097,152
2026-07-312,097,152
2026-06-302,097,152
2026-05-312,097,152
2026-04-302,097,152
2026-03-312,097,152
2026-02-282,097,152
2026-01-312,097,152
2025-12-312,097,152
2025-11-302,097,152
2025-10-312,097,152
2025-09-302,097,152
2025-08-312,097,152
2025-07-312,097,152

Part of the Data Pressure Index. History before the first live day is reconstructed from current-method inputs.