Every AI leaderboard

28 leaderboards · 986 models ranked

GPT-4.5 specs, prices, where it runs and its benchmark standing

closed weights · top 10 on 0 of 6 · released Feb 27, 2025

Facts

Provider
OpenAI
Release date
Feb 27, 2025
Boards
Parameters
Not disclosed by OpenAI
Modalities
Text, Image to Text
Boards
License
Proprietary
LMArena
Weights
Closed weights
Benchmarks
6 boards captured

Versions and release history

11 versions in this line since May 28, 2023, from Pricing, OpenRouter and the boards.

VersionReleased
GPT Chat LatestMay 5, 20266 months ago
GPT-5.5Apr 22, 20266 months ago
GPT-5.4Mar 4, 20268 months ago
GPT-5.2Dec 11, 202511 months ago
GPT-5.1Nov 12, 202512 months ago
GPT-5Aug 7, 20251 year ago
GPT 4.1Apr 14, 20251 year ago
GPT-4.5this modelFeb 27, 20251 year ago
GPT-4May 28, 20233 years ago
GPT-5.3
GPT-5.6
Category ranks, more models and catalog changes