Muse Spark

Family: Muse

Natively multimodal reasoning model by Meta Superintelligence Labs — first in the Muse family, with tool-use, visual chain of thought, and multi-agent orchestration.

✓ Active⏳ Limited accessLLMMultimodalReasoning modelTool-using model📁 Muse

Release date

8 April 2026

🏢Meta AIProducer

Access:APIHostedDeployment:☁ Cloud

Overview

Muse Spark is the first model in the new Muse series developed by Meta Superintelligence Labs. Meta describes it as a small, fast model designed for reasoning tasks and multimodal understanding, currently used in Meta AI and being gradually deployed across the company's products.

Classification

LLMMultimodalReasoning modelTool-using model

Family: Muse

Access & deployment

APIHosted

Cloud

Weights: Closed

Key parameters

✓ Tools

📥 Input: text, image

Technical specification

License

Proprietary

Features:✓ Tool use

Modalities

⬇ Input

textimage

⬆ Output

text

Capabilities and applications

Native model capabilities

Reasoning

The model's ability to reason logically and solve complex problems.

Category: reasoning

Multimodal understanding

Category: multimodal

Image understanding

Analysing and interpreting the content of images.

Category: vision

Chart understanding

Reading and interpreting charts, tables and diagrams.

Category: vision

Coding

Generating, analysing and modifying code in many programming languages. Covers writing functions, debugging, refactoring, code review, and creating tests. Measured by benchmarks such as HumanEval and SWE-bench.

Category: coding