Claude 3 SonnetvsMuse Glimmer
Claude 3 Sonnet | Muse Glimmer | |
|---|---|---|
| Specifications | ||
Parameters | — | 30B |
| Benchmarks | ||
Agentic coding SWE-Bench ProCan the AI fix real bugs in real software? It's handed actual problems from open-source projects and has to write code that genuinely solves them. Higher is better. | — | 51.2% |
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | — | 76% |
Agentic terminal coding Terminal-Bench 2.1Can the AI work in a command-line terminal — running commands and finishing technical setup tasks the way a developer would? Higher is better. | — | 51.7% |
Multi-step tool use MCP AtlasCan the AI chain together many tools and steps to complete one bigger task, rather than doing just a single thing? Higher is better. | — | 75.5% |
Multidisciplinary reasoning Humanity's Last Exam · no toolsHumanity's Last Exam — extremely hard expert questions across many subjects, written so you can't just look up the answer. “No tools” means the AI answers on its own. Higher is better. | — | 22% |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 40.4% | 83.5%Best |
Agentic computer use OSWorld-VerifiedCan the AI actually operate a computer — clicking, typing, and using real apps — to finish tasks on its own? Higher is better. | — | 65.9% |
Knowledge work GDPval-AA v2economically valuable knowledge work (v2, re-based Elo) | — | 953 |
Chart reasoning CharXiv ReasoningCan the AI read and reason about complex charts and figures, not just text? Higher is better. | — | 78.8% |
Multimodal reasoning MMMU-ProA tougher version of MMMU — college-level questions that mix images, diagrams, and text together. Higher is better. | — | 74% |
| Overview | ||
| Company | Anthropic | Meta |
| Release date | Mar 4 2024 | Aug 10 2026 |
| Access | Proprietary | Open Weight |
Which is better: Claude 3 Sonnet or Muse Glimmer?
Muse Glimmer leads Claude 3 Sonnet on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Sonnet shipped 889 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.
Claude 3 Sonnet is proprietary, while Muse Glimmer is open weight.
On GPQA Diamond, Muse Glimmer leads at 83.5% vs Claude 3 Sonnet at 40.4%.
Frequently asked questions
Claude 3 Sonnet was released by Anthropic on Mar 4 2024.
Muse Glimmer was released by Meta on Aug 10 2026.
Muse Glimmer leads on GPQA Diamond — Claude 3 Sonnet 40.4% vs Muse Glimmer 83.5%.
Claude 3 Sonnet is a proprietary model released by Anthropic. Muse Glimmer is an open weight model released by Meta.
Other comparisons
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