gpt-5.5-pro-2026-04-23
openai · first recorded 2026-04-24 · last change 2026-04-27 · all openai models · open in Explorer
$30
input / MTok (current)
$180
output / MTok (current)
$3
cache read / MTok (current)
Price history
| Date | Field | From | To | Source |
|---|---|---|---|---|
| 2026-04-24 | Input / MTok | first listing | $60 | d21e90f683 |
| 2026-04-24 | Output / MTok | first listing | $360 | d21e90f683 |
| 2026-04-24 | Cache read / MTok | first listing | $6 | d21e90f683 |
| 2026-04-25 | Input / MTok | first listing | $60 | 98a9005c76 |
| 2026-04-25 | Output / MTok | first listing | $360 | 98a9005c76 |
| 2026-04-25 | Cache read / MTok | first listing | $6 | 98a9005c76 |
| 2026-04-27 | Input / MTok | $60 | $30 | 503c3921c8 |
| 2026-04-27 | Output / MTok | $360 | $180 | 503c3921c8 |
| 2026-04-27 | Cache read / MTok | $6 | $3 | 503c3921c8 |
Spec changes
| Date | Field | From | To | Source |
|---|---|---|---|---|
| 2026-04-24 | Max input tokens | — | 1,050,000 | d21e90f683 |
| 2026-04-24 | Max output tokens | — | 128,000 | d21e90f683 |
| 2026-04-25 | Max input tokens | — | 1,050,000 | 98a9005c76 |
| 2026-04-25 | Max output tokens | — | 128,000 | 98a9005c76 |
| 2026-04-25 | model_removed | — | — | 384cfdad47 |