Back to GPT-5.5 Pro pricing

GPT-5.5 Pro price history

Every tracked change to GPT-5.5 Pro token pricing on the OpenAI API — input, output, and cached-input rates per million tokens. Data goes back to October 22, 2026.

Price per million tokens

Not enough snapshots yet to chart GPT-5.5 Pro. The chart appears once we've logged two or more price points.

Price change events

No price changes recorded. GPT-5.5 Pro has been price-stable since October 22, 2026.

Full snapshot log

Snapshot dateInput / 1MOutput / 1MCached input / 1M
October 22, 2026$30$180—