OpenAI
o3
Release date not recorded. Accessibility not recorded. Cheapest standard rate we hold: $8 per million output tokens, at long context.
What it costs
| Tier | Kind | In | Out | Cached in | From |
|---|---|---|---|---|---|
| batch | text · long | $1 | $4 | — | seller |
| batch | text · short | $1 | $4 | — | seller |
| fast | text · long | $3.50 | $14 | $0.88 | seller |
| fast | text · short | $3.50 | $14 | $0.88 | seller |
| flex | text · long | $1 | $4 | $0.25 | seller |
| flex | text · short | $1 | $4 | $0.25 | seller |
| standard | text · long | $2 | $8 | $0.50 | seller |
| standard | text · short | $2 | $8 | $0.50 | seller |
per million tokens, US dollars. * marks a rate from a single registry or two that disagree — the best available number rather than a confirmed one. Every other row is confirmed against a seller or a licensed index.
What it scores, by house
This model is not in Epoch's catalogue under a name we can match exactly, so we hold no scores for it. The match is exact after normalisation and never fuzzy, because a loose one would eventually price one model as another.
What retires, and when
- deprecation — 2026-07-23
- deprecation — 2026-07-23
- deprecation — 2026-10-23
- deprecation — 2026-10-23
- deprecation — 2026-12-11, replaced by gpt-5.6-sol
- deprecation — 2026-12-11, replaced by gpt-5.6-sol (reasoning.mode: pro)
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