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 date | Input / 1M | Output / 1M | Cached input / 1M |
|---|---|---|---|
| October 22, 2026 | $30 | $180 | — |
