OpenAI
gpt-3.5-turbo-instruct
Made by OpenAI. Released 2023-09-18. Accessibility not recorded. Cheapest standard rate we hold: $2 per million output tokens, at long context.
What it costs
| Tier | Kind | In | Out | Cached in | From |
|---|---|---|---|---|---|
| standard | text · long | $1.50 | $2 | — | seller |
| standard | text · short | $1.50 | $2 | — | 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
| Benchmark | House | Score | Evaluated | Scaffold |
|---|---|---|---|---|
| metr time horizons | collected by Epoch AI | 0.6 | — | — |
These scores are not comparable between houses and are not added up. A score is dated by when it was evaluated, not when the model was released, and a score without its scaffold is not a measurement — which is why both are printed.
What retires, and when
- deprecation — 2026-09-28, replaced by gpt-5.6-terra
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