Claude 1vsMuse Glimmer

Claude 1
Muse Glimmer
Specifications
Parameters
30B
Context window
9k
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
CompanyAnthropicMeta
Release dateMar 14 2023Aug 10 2026
AccessProprietaryOpen Weight

Which is better: Claude 1 or Muse Glimmer?

Claude 1 and Muse Glimmer don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 1 shipped 1245 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.

Claude 1 is proprietary, while Muse Glimmer is open weight.

Direct benchmark comparisons are unavailable — Claude 1 and Muse Glimmer don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 1 was released by Anthropic on Mar 14 2023.

Muse Glimmer was released by Meta on Aug 10 2026.

Claude 1 is a proprietary model released by Anthropic. Muse Glimmer is an open weight model released by Meta.

Other comparisons