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

Claude Opus 4.1 vs GLM-4.7

Anthropic
Claude Opus 4.1
Z.ai
GLM-4.7
Overview
CompanyAnthropicZ.ai
Release dateAug 5 2025Dec 22 2025
AccessProprietaryOpen Weight
Specifications
Context window
128k
Benchmarks
Nonsense detection
BullshitBench v2
43%
Coding
SWE-Bench Verified
74.5%Best
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
80.9%
85.7%Best
Timeline
Release gapClaude Opus 4.1 shipped 139 days before GLM-4.7

Which is better: Claude Opus 4.1 or GLM-4.7?

Claude Opus 4.1 and GLM-4.7 are evenly matched across the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude Opus 4.1 shipped 139 days before GLM-4.7, so benchmark comparisons should account for the intervening progress.

Claude Opus 4.1 is proprietary, while GLM-4.7 is open weight.

On SWE-Bench Verified, Claude Opus 4.1 leads at 74.5% vs GLM-4.7 at 73.8%. On GPQA Diamond, GLM-4.7 leads at 85.7% vs Claude Opus 4.1 at 80.9%.

Frequently asked questions

Claude Opus 4.1 was released by Anthropic on Aug 5 2025.

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

Claude Opus 4.1 leads on SWE-Bench Verified — Claude Opus 4.1 74.5% vs GLM-4.7 73.8%.

GLM-4.7 leads on GPQA Diamond — Claude Opus 4.1 80.9% vs GLM-4.7 85.7%.

Claude Opus 4.1 is a proprietary model released by Anthropic. GLM-4.7 is an open weight model released by Z.ai.

Other comparisons