Muse GlimmervsKimi K1.5

Muse Glimmer
Kimi K1.5
Specifications
Parameters
30B
Context window
128k
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
CompanyMetaMoonshot AI
Release dateAug 10 2026Jan 20 2025
AccessOpen WeightProprietary

Which is better: Muse Glimmer or Kimi K1.5?

Muse Glimmer and Kimi K1.5 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Kimi K1.5 shipped 567 days before Muse Glimmer, so benchmark comparisons should account for the intervening progress.

Muse Glimmer is open weight, while Kimi K1.5 is proprietary.

Direct benchmark comparisons are unavailable — Muse Glimmer and Kimi K1.5 don't publish scores on any of the same benchmarks.

Frequently asked questions

Muse Glimmer was released by Meta on Aug 10 2026.

Kimi K1.5 was released by Moonshot AI on Jan 20 2025.

Muse Glimmer is an open weight model released by Meta. Kimi K1.5 is a proprietary model released by Moonshot AI.

Other comparisons