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GPT-3.5 Turbo

OpenAI model, released 28 May 2023.

$0.5
per 1M input tokens
$1.50
per 1M output tokens
per 1M cached-read tokens
Calculate what your real prompts cost on GPT-3.5 Turbo

Price history

Price stable since we started tracking (7 Jul 2026). History will chart here as soon as it moves.

Specifications

Lab
OpenAI
Released
28 May 2023
Context window
16k tokens
Max output
4k tokens
Input modalities
text
Output modalities
text
Knowledge cutoff
2021-09-30
Open source
No

Frequently asked questions

How much does GPT-3.5 Turbo cost?

GPT-3.5 Turbo costs $0.5 per 1M input tokens and $1.50 per 1M output tokens (list price, updated every 6 hours).

What is GPT-3.5 Turbo's context window?

GPT-3.5 Turbo supports a 16k-token context window with up to 4k output tokens.

Related models

GPT-3.5 Turbo — API Pricing, Context Window, Specs (2026) | AIToolScout | AIToolScout