o3-pro
OpenAI · Frontier
Premium high-compute reasoning variant launched alongside the 80% o3 price cut — 87% cheaper than the o1-pro it replaced.
Input / 1M
$20.00
Output / 1M
$80.00
Cached input / 1M
—
Context window
200K
Where it sits
23rd-cheapest frontier model
by blended $/Mtok among 24 listed frontier models
866% above the frontier median
blended $/Mtok across 24 frontier models
Output costs 4× input
$20.00 in / $80.00 out per 1M
Held flat since launch (Jun 2025)
no blended price change recorded
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Only one price on record so far — the history chart appears once a price changes.
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 10 Jun 2025 | $20.00 | $80.00 | — | openai.com/api/pricing |