GPT-3.5 Turbo

Deprecated

OpenAI · March 2023

OpenAI is retiring this model on 23 October 2026. After that date it will not be available for new work.

The oldest GPT here. Short conversations only — it holds a fraction of what any newer model does.

Best for: Everyday chat
Use instead: GPT-5.6 Terra

Context window
16,385 tokens
≈ 12,000 words · about 49 pages
Max output
4,096 tokens
≈ 3,070 words in a single answer
Knowledge cutoff
September 2021
its training cutoff

Modalities

TextInput and output
ImageNot supported
AudioNot supported
VideoNot supported

Features

StreamingNot supported
Function callingNot supported
Structured outputsNot supported
Fine-tuningSupported

Tools

Web searchNot supported
Image generationNot supported
Hosted shellNot supported
Apply patchNot supported
Tool searchNot supported

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