Claude 3 SonnetvsGLM-5

Claude 3 Sonnet
GLM-5
Specifications
Parameters
744B
Benchmarks
Nonsense detection
BullshitBench v2
28%
Coding
SWE-Bench Verified
77.8%
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
40.4%
86%Best
Community preference (code)
Arena Elo (Code)
1435
Overview
CompanyAnthropicZ.ai
Release dateMar 4 2024Feb 12 2026
AccessProprietaryOpen Weight

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

GLM-5 leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 710 days before GLM-5, so benchmark comparisons should account for the intervening progress.

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

On GPQA Diamond, GLM-5 leads at 86% vs Claude 3 Sonnet at 40.4%.

Frequently asked questions

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

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

GLM-5 leads on GPQA Diamond — Claude 3 Sonnet 40.4% vs GLM-5 86%.

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

Other comparisons