Back to o4-mini pricing
o4-mini price history
Every tracked change to o4-mini 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
| Date | Direction | Input | Output | Notes |
|---|---|---|---|---|
| August 24, 2026 | Decrease | $1.1 → $0.55/M (−$0.55) | $4.4 → $2.2/M (−$2.2) | Input fell $1.10 → $0.55 and output $4.40 → $2.20 per MTok (50% cut both sides), per cloudzero.com July-price-cut roundup + pricepertoken.com o4-mini page. |
Full snapshot log
| Snapshot date | Input / 1M | Output / 1M | Cached input / 1M |
|---|---|---|---|
| August 24, 2026 | $0.55 | $2.2 | — |
| June 28, 2026 | $1.1 | $4.4 | — |