o1-mini
retiredOpenAI · Small
Budget reasoning model at one-fifth of o1's price. Cut to o3-mini's $1.10/$4.40 when that model launched.
Input / 1M
$1.10
Output / 1M
$4.40
Cached input / 1M
—
Context window
128K
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
Down 63% since launch (Sep 2024)
blended price vs launch
Computed live from current prices and this model's history — not hand-written, so it stays accurate as prices move.
Price history
Input (solid)Output (dashed)
Blended price change (3:1 I/O mix)
- 30d
- —
- 90d
- —
- 1y
- —
- Since launch
- decreased 63.3%
Snapshots
| Effective | Input | Output | Cached in | Note | Source |
|---|---|---|---|---|---|
| 31 Jan 2025 | $1.10 | $4.40 | — | Repriced to match o3-mini at its launch; date corroborated by archived openai.com/api/pricing data model (updatedAt 2025-01-31T19:07:33Z) | openai.com/api/pricing |
| 12 Sep 2024 | $3.00 | $12.00 | — | Launch pricing | openai.com/api/pricing |