o3-mini
retiredOpenAI · Small
Efficient reasoning model. Replaced by o4-mini at the same price point.
Input / 1M
$1.10
Output / 1M
$4.40
Cached input / 1M
—
Context window
200K
Where it sits
175% above the small median
blended $/Mtok across 5 small models
Output costs 4× input
$1.10 in / $4.40 out per 1M
Held flat since launch (Jan 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 |
|---|---|---|---|---|---|
| 31 Jan 2025 | $1.10 | $4.40 | — | openai.com/api/pricing |