Claude 3 HaikuvsMuse Glimmer

Claude 3 Haiku
Muse Glimmer
Specifications
Parameters
30B
Benchmarks
Nonsense detection
BullshitBench v2
10%
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
33.3%
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 dateMar 4 2024Aug 10 2026
AccessProprietaryOpen Weight

Which is better: Claude 3 Haiku or Muse Glimmer?

Muse Glimmer leads Claude 3 Haiku on 1 of the 1 benchmark they both report (GPQA Diamond). Claude 3 Haiku shipped 889 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.

Claude 3 Haiku is proprietary, while Muse Glimmer is open weight.

On GPQA Diamond, Muse Glimmer leads at 83.5% vs Claude 3 Haiku at 33.3%.

Frequently asked questions

Claude 3 Haiku 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 Haiku 33.3% vs Muse Glimmer 83.5%.

Claude 3 Haiku is a proprietary model released by Anthropic. Muse Glimmer is an open weight model released by Meta.

Other comparisons