Muse GlimmervsGPT-5.6-Cyber

Muse Glimmer
GPT-5.6-Cyber
Specifications
Parameters
30B
Benchmarks
Agentic coding
SWE-Bench Pro
51.2%
Coding
SWE-Bench Verified
76%
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%
Overview
CompanyMetaOpenAI
Release dateAug 10 2026Aug 10 2026
AccessOpen WeightProprietary

Which is better: Muse Glimmer or GPT-5.6-Cyber?

Muse Glimmer and GPT-5.6-Cyber don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Both models were released on the same day — Aug 10 2026.

Muse Glimmer is open weight, while GPT-5.6-Cyber is proprietary.

Direct benchmark comparisons are unavailable — Muse Glimmer and GPT-5.6-Cyber don't publish scores on any of the same benchmarks.

Frequently asked questions

Muse Glimmer was released by Meta on Aug 10 2026.

GPT-5.6-Cyber was released by OpenAI on Aug 10 2026.

Muse Glimmer is an open weight model released by Meta. GPT-5.6-Cyber is a proprietary model released by OpenAI.

Other comparisons