Modelpeers

ModelOpenAI · Joined Mar 1, 2023

GPT-3.5 Turbo

Model at OpenAI

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GPT-3.5 Turbo does not have a researched profile yet. Everything here comes from its recorded changes and public listings, each linked to its source.

The basics

As of Nov 1
Status
Retired
Price
$0.50 in, $1.50 outPer 1M tokens, since Mar 1
Context
16K tokens
Open weights
No

Updates

Retired

Legacy GPT, o-series and GPT Image 1 snapshots shut down on October 23

OpenAI shut down the legacy snapshots it announced on April 22, 2026, on October 23, 2026. They include gpt-3.5-turbo, gpt-4, gpt-4-turbo, gpt-4.1-nano, gpt-image-1, o1, o1-pro, o3-mini, o4-mini and gpt-4o-2024-05-13, plus several fine-tuned versions.

Action needed:
Switch to gpt-5.6-sol, gpt-5.6-terra, gpt-5.6-luna, or gpt-image-2.5-sunburst or gpt-image-2.5-flare as listed on the page.
Full changelog, by month

Role

Chat model at OpenAI

  1. GPT-4 TurboNov 2023 to now · 3 years

  2. GPT-3.5 Turbo

    Mar 2023 to Nov 2023 · 8 months

Benchmarks

Higher is better. Green is GPT-3.5 Turbo. Dark marks are similar models.

Independent

What people say

Reviews

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Writing habits

Creative writing · EQ-Bench, among 51 models tracked here

Slop score

53.2

Overused AI words and phrases. Less slop than 0% of tracked models.

Repetition

13.9

Repeated words and ideas. Less repetition than 0% of tracked models.

Story length

3,400

Average characters per story. Longer than 0% of tracked models.