gpt-3.5-turbo
as of
OpenAI lists gpt-3.5-turbo at $0.50 per million input tokens and $1.50 per million output tokens. That price has held since at least Mar 28, 2026. OpenAI · model:openai:gpt-3.5-turbo · 16,385 context
$ per million tokens
8 observations on record. A price holds until the next observation, so the line steps.
Point by point
One observation per row: what the page said, when it was read, and the source URL.
| Observed | Event | In $/Mtok | Cached in | Out $/Mtok | What changed | Source |
|---|---|---|---|---|---|---|
| Internet Archive | $2.00 | — | $2.00 | — | web.archive.org | |
| Internet Archive | $1.50 | — | $2.00 | input 2 → 1.5; notes one usage price for prompt and completion tokens → printed as "4K context" under Chat | web.archive.org | |
| Internet Archive | $1.50 | — | $2.00 | notes printed as "4K context" under Chat → printed as "4K context" under GPT-3.5 Turbo | web.archive.org | |
| Internet Archive | $0.50 | — | $1.50 | input 1.5 → 0.5; notes printed as "4K context" under GPT-3.5 Turbo → ∅; output 2 → 1.5 | web.archive.org | |
| first seen | — | — | — | — | developers.openai.com | |
| current | $0.50 | — | $1.50 | — | developers.openai.com | |
| delisted | — | — | — | — | developers.openai.com | |
| delisted | $0.50 | — | $1.50 | — | developers.openai.com |
Data from the last 90 days is CC BY 4.0. Older data is CC BY-NC 4.0, except what we published before 2026-11-04, which stays CC BY 4.0. How you can reuse it.