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GPT-3.5 Turbo

Deprecated

An OpenAI model with a 16,385-token context window. On the OpenAI API since March 1, 2023, now deprecated.

Access details: OpenAI API

An alias. The provider can point it at a newer version.

gpt-3.5-turbo
Updated Sep 23, 2026

Capabilities & limits

Context window
16,385
Maximum output
4K
Image input
Unsupported
Tool calling
—
Structured output
Unsupported

Pricing

USD / 1M tokens
Input
$0.50
Output
$1.50

Standard rates per million tokens. Discounts and long-context rates, where offered, are on OpenAI's pricing page.

Full rate card 2 rates

All prices in USD.

Standard input

$0.50 per 1M tokens
  • standard processing

Standard output

$1.50 per 1M tokens
  • standard processing

No cached-input rate listed. Batch API (gpt-3.5-turbo-0125): $0.25 input / $0.75 output per 1M tokens. Deprecated: shutdown scheduled October 23, 2026 (deprecations page).

Price history
Sep 23, 2026

Input $0.50 per million tokens

Sep 23, 2026

Output $1.50 per million tokens

Technical details

Parameters
Not published
Active parameters
Not published
Architecture
Not published
Training / knowledge cutoff
Sep 01, 2021
Input modalities
Text
Output modalities
Text

Release & lifecycle

First available
Mar 1, 2023
deprecated
As of Sep 13, 2026

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Prices and availability as of October 20, 2026. OpenAI's own pages have the latest.