GPT-3.5 Turbo Instruct
Retired by OpenAI on 28 September 2026
2026-09-28 | gpt-3.5-turbo-instruct | gpt-5.6-terra |
No seller lists it
Announced replacement
GPT-5.6 Terra, lowest price today: $4.50 per 1M tokens (blended)
Price historyThe cheapest offer each day, against the lab's official list price when it publishes one. Each day at 00:00 UTC, the offer the API would have selected as the cheapest, with the same exclusions as /cheapest. Blended price, promotions included.
| Day | Cheapest offer | Official list price |
|---|---|---|
| 2026-10-02 | $1.63, Glama | – |
| 2026-10-03 | $1.63, Glama | – |
| 2026-10-04 | $1.63, Glama | – |
| 2026-10-05 | $1.63, Glama | – |
| 2026-10-06 | $1.63, OpenAI | – |
| 2026-10-07 | $1.63, OpenAI | – |
| 2026-10-08 | $1.63, OpenAI | – |
| 2026-10-09 | $1.63, OpenAI | – |
| 2026-10-10 | $1.63, OpenAI | – |
| 2026-10-11 | $1.63, OpenAI | – |
| 2026-10-12 | $1.63, OpenAI | – |
| 2026-10-13 | $1.63, OpenAI | – |
| 2026-10-14 | $1.63, OpenAI | – |
| 2026-10-15 | $1.63, OpenAI | – |
| 2026-10-16 | $1.63, OpenAI | – |
| 2026-10-17 | $1.63, OpenAI | – |
| 2026-10-18 | $1.63, OpenAI | – |
| Day | Cheapest offer | Official list price |
|---|---|---|
| 2026-09-18 | $1.63, Glama | – |
| 2026-09-19 | $1.63, Glama | – |
| 2026-09-20 | $1.63, Glama | – |
| 2026-09-21 | $1.63, Glama | – |
| 2026-09-22 | $1.63, Glama | – |
| 2026-09-23 | $1.63, Glama | – |
| 2026-09-24 | $1.63, Glama | – |
| 2026-09-25 | $1.63, Glama | – |
| 2026-09-26 | $1.63, Glama | – |
| 2026-09-27 | $1.63, Glama | – |
| 2026-09-28 | $1.63, Glama | – |
| 2026-09-29 | $1.63, Glama | – |
| 2026-09-30 | $1.63, Glama | – |
| 2026-10-01 | $1.63, Glama | – |
| 2026-10-02 | $1.63, Glama | – |
| 2026-10-03 | $1.63, Glama | – |
| 2026-10-04 | $1.63, Glama | – |
| 2026-10-05 | $1.63, Glama | – |
| 2026-10-06 | $1.63, OpenAI | – |
| 2026-10-07 | $1.63, OpenAI | – |
| 2026-10-08 | $1.63, OpenAI | – |
| 2026-10-09 | $1.63, OpenAI | – |
| 2026-10-10 | $1.63, OpenAI | – |
| 2026-10-11 | $1.63, OpenAI | – |
| 2026-10-12 | $1.63, OpenAI | – |
| 2026-10-13 | $1.63, OpenAI | – |
| 2026-10-14 | $1.63, OpenAI | – |
| 2026-10-15 | $1.63, OpenAI | – |
| 2026-10-16 | $1.63, OpenAI | – |
| 2026-10-17 | $1.63, OpenAI | – |
| 2026-10-18 | $1.63, OpenAI | – |
Cheapest offer