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

Composer 2.5 vs GPT-4o

Cursor
Composer 2.5
OpenAI
GPT-4o
Overview
CompanyCursorOpenAI
Release dateMay 18 2026May 13 2024
AccessProprietaryProprietary
Benchmarks
Nonsense detection
BullshitBench v2
12%
Multilingual coding
SWE-Bench Multilingual
79.8%
Agentic coding
CursorBench v3.1
63.2%
Next.js coding
Next.js Evals
92%
Agentic terminal coding
Terminal-Bench 2.0
69.3%
Timeline
Release gapGPT-4o shipped 735 days before Composer 2.5

Which is better: Composer 2.5 or GPT-4o?

Composer 2.5 and GPT-4o don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. GPT-4o shipped 735 days before Composer 2.5, 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 — Composer 2.5 and GPT-4o don't publish scores on any of the same benchmarks.

Frequently asked questions

Composer 2.5 was released by Cursor on May 18 2026.

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

Other comparisons