GPT-4o mini
retiredOpenAI · Small
Replaced GPT-3.5 Turbo at 60% lower cost with far better quality — ended the 3.5 era.
Input / 1M
$0.15
Output / 1M
$0.6
Cached input / 1M
—
Context window
128K
Where it sits
63% below the small median
blended $/Mtok across 5 small models
Output costs 4× input
$0.15 in / $0.6 out per 1M
Held flat since launch (Jul 2024)
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 |
|---|---|---|---|---|---|
| 18 Jul 2024 | $0.15 | $0.6 | — | openai.com/api/pricing |