o3 Deep Research
OpenAI · Mid
o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.
Input / 1M
$10.00
Output / 1M
$40.00
Cached input / 1M
$2.50
Context window
200K
Where it sits
257th-cheapest mid model
by blended $/Mtok among 262 listed mid models
2963% above the mid median
blended $/Mtok across 262 mid models
Output costs 4× input
$10.00 in / $40.00 out per 1M
Cached input saves 75%
$2.50 vs $10.00 per 1M fresh
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 | $10.00 | $40.00 | $2.50 | Imported from OpenRouter | openrouter.ai |