Claude 3.7 SonnetvsMuse Glimmer

Claude 3.7 Sonnet
Muse Glimmer
Specifications
Parameters
30B
Benchmarks
Nonsense detection
BullshitBench v2
49%
Agentic coding
SWE-Bench Pro
51.2%
Coding
SWE-Bench Verified
62.3%
76%Best
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
68%
83.5%Best
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 dateFeb 24 2025Aug 10 2026
AccessProprietaryOpen Weight

Which is better: Claude 3.7 Sonnet or Muse Glimmer?

Muse Glimmer leads Claude 3.7 Sonnet on 2 of the 2 benchmarks they both report (SWE-Bench Verified, GPQA Diamond). Claude 3.7 Sonnet shipped 532 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.

Claude 3.7 Sonnet is proprietary, while Muse Glimmer is open weight.

On SWE-Bench Verified, Muse Glimmer leads at 76% vs Claude 3.7 Sonnet at 62.3%. On GPQA Diamond, Muse Glimmer leads at 83.5% vs Claude 3.7 Sonnet at 68%.

Frequently asked questions

Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.

Muse Glimmer was released by Meta on Aug 10 2026.

Muse Glimmer leads on SWE-Bench Verified — Claude 3.7 Sonnet 62.3% vs Muse Glimmer 76%.

Muse Glimmer leads on GPQA Diamond — Claude 3.7 Sonnet 68% vs Muse Glimmer 83.5%.

Claude 3.7 Sonnet is a proprietary model released by Anthropic. Muse Glimmer is an open weight model released by Meta.

Other comparisons