AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

GPT-4 Turbo vs GPT-4o

OpenAI
GPT-4 Turbo
OpenAI
GPT-4o
Overview
CompanyOpenAIOpenAI
Release dateNov 6 2023May 13 2024
AccessProprietaryProprietary
Specifications
Context window
128k
Benchmarks
Nonsense detection
BullshitBench v2
12%
Timeline
Release gapGPT-4 Turbo shipped 189 days before GPT-4o

Which is better: GPT-4 Turbo or GPT-4o?

GPT-4 Turbo and GPT-4o don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4 Turbo shipped 189 days before GPT-4o, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

Direct benchmark comparisons are unavailable — GPT-4 Turbo and GPT-4o don't publish scores on any of the same benchmarks.

Frequently asked questions

GPT-4 Turbo was released by OpenAI on Nov 6 2023.

GPT-4o was released by OpenAI on May 13 2024.

Other comparisons