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

Claude 3 Sonnet vs GLM-4.7

Anthropic
Claude 3 Sonnet
Z.ai
GLM-4.7
Overview
CompanyAnthropicZ.ai
Release dateMar 4 2024Dec 22 2025
AccessProprietaryOpen Weight
Specifications
Context window
128k
Benchmarks
Coding
SWE-Bench Verified
73.8%
Agentic terminal coding
Terminal-Bench 2.0
41%
Web browsing
BrowseComp
52%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
24.8%
Multidisciplinary reasoning
Humanity's Last Exam · with tools
42.8%
Science
GPQA Diamond
40.4%
85.7%Best
Timeline
Release gapClaude 3 Sonnet shipped 658 days before GLM-4.7

Which is better: Claude 3 Sonnet or GLM-4.7?

GLM-4.7 leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 658 days before GLM-4.7, so benchmark comparisons should account for the intervening progress.

Claude 3 Sonnet is proprietary, while GLM-4.7 is open weight.

On GPQA Diamond, GLM-4.7 leads at 85.7% vs Claude 3 Sonnet at 40.4%.

Frequently asked questions

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

GLM-4.7 was released by Z.ai on Dec 22 2025.

GLM-4.7 leads on GPQA Diamond — Claude 3 Sonnet 40.4% vs GLM-4.7 85.7%.

Claude 3 Sonnet is a proprietary model released by Anthropic. GLM-4.7 is an open weight model released by Z.ai.

Other comparisons