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

Claude 3 Opus vs GLM-5

Anthropic
Claude 3 Opus
Z.ai
GLM-5
Overview
CompanyAnthropicZ.ai
Release dateMar 4 2024Feb 12 2026
AccessProprietaryOpen Weight
Specifications
Parameters
744B
Benchmarks
Coding
SWE-Bench Verified
33%
77.8%Best
Multilingual coding
SWE-Bench Multilingual
73.3%
Agentic terminal coding
Terminal-Bench 2.0
56.2%
Web browsing
BrowseComp
75.9%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
50.4%
Science
GPQA Diamond
50.4%
86%Best
Timeline
Release gapClaude 3 Opus shipped 710 days before GLM-5

Which is better: Claude 3 Opus or GLM-5?

GLM-5 leads Claude 3 Opus on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude 3 Opus shipped 710 days before GLM-5, so benchmark comparisons should account for the intervening progress.

Claude 3 Opus is proprietary, while GLM-5 is open weight.

On SWE-Bench Verified, GLM-5 leads at 77.8% vs Claude 3 Opus at 33%. On GPQA Diamond, GLM-5 leads at 86% vs Claude 3 Opus at 50.4%.

Frequently asked questions

Claude 3 Opus was released by Anthropic on Mar 4 2024.

GLM-5 was released by Z.ai on Feb 12 2026.

GLM-5 leads on SWE-Bench Verified — Claude 3 Opus 33% vs GLM-5 77.8%.

GLM-5 leads on GPQA Diamond — Claude 3 Opus 50.4% vs GLM-5 86%.

Claude 3 Opus is a proprietary model released by Anthropic. GLM-5 is an open weight model released by Z.ai.

Other comparisons