Max frontier model context window (tokens)

Deployment breadth · source: Published frontier model specifications

2,097,152z = +2.06 · as at 2026-10-01
2,248,9241,148,57648,228Jan '24Mar '26Sep '26Oct '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
2026-10-012,097,152
2026-09-302,097,152
2026-09-292,097,152
2026-09-282,097,152
2026-09-272,097,152
2026-09-262,097,152
2026-09-252,097,152
2026-09-242,097,152
2026-09-232,097,152
2026-09-222,097,152
2026-09-212,097,152
2026-09-202,097,152
2026-09-192,097,152
2026-09-182,097,152
2026-09-172,097,152
2026-09-162,097,152

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