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

Claude 2.1 vs GLM-4

Anthropic
Claude 2.1
Z.ai
GLM-4
Overview
CompanyAnthropicZ.ai
Release dateNov 21 2023Jan 16 2024
AccessProprietaryProprietary
Timeline
Release gapClaude 2.1 shipped 56 days before GLM-4

Which is better: Claude 2.1 or GLM-4?

Claude 2.1 and GLM-4 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 56 days before GLM-4, 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 — Claude 2.1 and GLM-4 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 2.1 was released by Anthropic on Nov 21 2023.

GLM-4 was released by Z.ai on Jan 16 2024.

Other comparisons