For Developers/Models/Muse Glimmer
Open SourceMetaReleased 2026-08

Muse Glimmer

Open-weight agentic AI that runs on consumer GPUs and laptops

Context window

128K

Input / 1M tokens

Free

Output / 1M tokens

Free

Provider

Meta

Data verified 2026-08-13

Muse Glimmer is a 30-billion-parameter open-source multimodal model distilled from Meta's proprietary Muse Spark. Optimized for local agentic workflows, it runs on consumer hardware with a single GPU, handles tool use and multi-step reasoning, and supports text and image input. Released under Apache 2.0, the most permissive license Meta has used.

Capability index

Relative estimates (0-100) to place this model against its peers, grounded in published benchmarks.

Coding
80
Reasoning
80
Math
80
Multimodal
80
Long context
80
Speed
70
Cost efficiency
90

How to access it

Download weights from Hugging Face under Apache 2.0 license. Self-host via supported runtimes (llama.cpp, MLX, ExecuTorch, Ollama, LM Studio, Together AI, Fireworks AI) or use third-party API providers.

Strengths

  • ✓Runs locally on single consumer GPU or laptop
  • ✓Multimodal (text and image input)
  • ✓Strong agentic capabilities with tool use and failure recovery
  • ✓128K+ extendable context window
  • ✓Most permissive open-source license (Apache 2.0)
  • ✓Efficient 4-bit quantization (17GB)

Best for developers who...

Local AI agentsCoding agentsTool use and function callingMultimodal reasoning over screenshots and documentsOffline workflows with no cloud dependencyOrganizations wanting open-weight models for cost control

When to choose it (and when not to)

Reach for Muse Glimmer when...

  • →When you need local inference with full control
  • →For agentic tasks requiring multi-step reasoning
  • →When working with documents, screenshots, or images alongside text
  • →To avoid per-token API costs

Look elsewhere if...

  • ✕If you need the largest frontier model capability
  • ✕For applications requiring extremely fast inference at scale
  • ✕If you cannot self-host or manage infrastructure
  • ✕For real-time applications requiring minimal latency on limited hardware

How to use it

  • ›Leverage multi-step reasoning by structuring prompts for planning before action
  • ›Provide clear tool/function definitions for reliable tool use
  • ›Include context windows effectively (supports up to 128K+ tokens)
  • ›For images, specify exactly what visual elements matter for the task

Quickstart

Python
from together import Together
client = Together()
response = client.chat.completions.create(
    model='meta-models/Muse-Glimmer-30B',
    messages=[{'role': 'user', 'content': 'What are some fun things to do in New York?'}]
)
print(response.choices[0].message.content)

Example uses Together AI hosted endpoint. For local deployment, use llama.cpp, MLX, or Ollama with Hugging Face weights.

API model id: meta-models/Muse-Glimmer-30B

Benchmarks

BenchmarkScoreNotes
MCP-Atlas75.5Tool-use and multi-turn task completion
SWE-Bench Verified76.0Software engineering task completion
DeepSearch QA74.6Question answering and reasoning
AIME 202694.7Mathematical reasoning
MMMU-Pro74%Visual reasoning (vision encoder)

Source: MarkTechPost

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