Muse GlimmervsGLM-4.6

Muse Glimmer
GLM-4.6
Specifications
Parameters
30B
355B
Context window
200k
Benchmarks
Agentic coding
SWE-Bench Pro
51.2%
Coding
SWE-Bench Verified
76%Best
68%
Agentic terminal coding
Terminal-Bench 2.1
51.7%
Multi-step tool use
MCP Atlas
75.5%
Multidisciplinary reasoning
Humanity's Last Exam · no tools
22%
Science
GPQA Diamond
83.5%
Agentic computer use
OSWorld-Verified
65.9%
Knowledge work
GDPval-AA v2
953
Chart reasoning
CharXiv Reasoning
78.8%
Multimodal reasoning
MMMU-Pro
74%
Community preference (code)
Arena Elo (Code)
1339
Overview
CompanyMetaZ.ai
Release dateAug 10 2026Sep 30 2025
AccessOpen WeightOpen Weight

Which is better: Muse Glimmer or GLM-4.6?

Muse Glimmer leads GLM-4.6 on 1 of the 1 benchmark they both report (SWE-Bench Verified). GLM-4.6 shipped 314 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.

Muse Glimmer has 30B parameters, while GLM-4.6 has 355B.

On SWE-Bench Verified, Muse Glimmer leads at 76% vs GLM-4.6 at 68%.

Frequently asked questions

Muse Glimmer was released by Meta on Aug 10 2026.

GLM-4.6 was released by Z.ai on Sep 30 2025.

Muse Glimmer leads on SWE-Bench Verified — Muse Glimmer 76% vs GLM-4.6 68%.

Other comparisons