o3 Pro
OpenAI · Mid
The o-series of models are trained with reinforcement learning to think before they answer and perform complex reasoning. The o3-pro model uses more compute to think harder and provide consistently...
Input / 1M
$20.00
Output / 1M
$80.00
Cached input / 1M
—
Context window
200K
Where it sits
258th-cheapest mid model
by blended $/Mtok among 262 listed mid models
6027% above the mid median
blended $/Mtok across 262 mid models
Output costs 4× input
$20.00 in / $80.00 out per 1M
Held flat since launch (Jun 2026)
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 |
|---|---|---|---|---|---|
| 11 Jun 2026 | $20.00 | $80.00 | — | Imported from OpenRouter | openrouter.ai |