Back to o3 pricing

o3 price history

Every tracked change to o3 token pricing on the OpenAI API — input, output, and cached-input rates per million tokens. Data goes back to June 28, 2026.

Price per million tokens

Price change events

No price changes recorded. o3 has been price-stable since June 28, 2026.

Full snapshot log

Snapshot dateInput / 1MOutput / 1MCached input / 1M
October 12, 2026$2$8$0.5
June 28, 2026$2$8—