Model index
OpenAI·GPT

GPT-3.5 Turbo

The GPT-3.5 model for the message-based chat API, initially released as the gpt-3.5-turbo-0301 snapshot.

LegacyLanguageWeights not released
MODEL NUMBER266
First public date
2023-03-01
Organization
OpenAI
Family
GPT
01

Specifications

Only published specifications are shown.

Input modalities
Text
Output modalities
Text
Open weights
No
Status
Legacy
02

Overview

Release dates

— GPT-3.5 Turbo became available through an API. ↗

03

Specifications alongside predecessor

Compared with ChatGPT (GPT-3.5) ↗

PreviousChatGPT (GPT-3.5)— · — ctx
CurrentGPT-3.5 Turbo— · — ctx
04

Architecture & capabilities

Model capabilities

Conversation
05

Release history

API launch

GPT-3.5 Turbo became available through an API.

View source
06

Related models

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07

Sources

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