from $2.00 per
million input tokens · same price on every gateway
· updated hourly
Gateway
$ in /MTok
$ out /MTok
Context
Input price history
Model ID
OpenRouterfees
$2.00
$8.00
200,000
openai/o3
Requesty
$2.00
$8.00
200,000
since 2026-08-20
openai/o3
Ramp Routerfees
$2.00
$8.00
200,000
since 2026-08-20
o3
Fees beyond the token price
OpenRouter: No markup on token prices (provider pass-through), but credit purchases cost 5.5% via card ($0.80 minimum) or 5% via crypto; BYOK usage above the monthly allowance is charged 5%. source
Ramp Router: Free through 2026 — no gateway fee, tokens billed at provider list price, first $26 of credit free. source
Changelog for o3
No changes recorded for this model yet — history starts the day we first saw it.
o3 pricing FAQ
How much does o3 cost per million tokens?
The cheapest tracked gateway charges $2.00 per million input tokens and $8.00 per million output tokens (OpenRouter). Prices refresh hourly.
Which gateway is cheapest for o3?
OpenRouter for input tokens and OpenRouter for output tokens, among the 3 gateways we track.
Do o3 prices differ between gateways?
No — every tracked gateway currently charges the same per-token price, so the difference between them is fees and routing, not token cost.