Muse Spark

Name: Muse Spark by Meta Superintelligence Labs
Author: Facebook AI研究实验室

Reasoning model

Muse Spark by Meta Superintelligence Labs

Release date: 2026-04-08Updated: 2026-04-09 13:19:26.5981,867

Live demoGitHubHugging FaceCompare

Parameters

Not disclosed

Context length

262K (268288)

Chinese support

Not supported

Reasoning ability

Muse Spark by Meta Superintelligence Labs is an AI model published by Facebook AI研究实验室, released on 2026-04-08, for Reasoning model, and 262K tokens context length, with no open-source license.

Data sourced primarily from official releases (GitHub, Hugging Face, papers), then benchmark leaderboards, then third-party evaluators. Learn about our data methodology

Muse Spark

Model basics

Reasoning traces

Supported

Thinking modes

Thinking Mode (Default)Standard Mode

Context length

262K (268288) tokens

Max output length

No data

Model type

Reasoning model

Release date

2026-04-08

Model file size

No data

MoE architecture

Total params / Active params

No data / N/A

Knowledge cutoff

No data

Muse Spark

Open source & experience

Code license

Not open source

Weights license

Not open source

GitHub repo

GitHub link unavailable

Hugging Face

Hugging Face link unavailable

Live demo

https://www.meta.ai

Muse Spark

Official resources

Paper

Introducing Muse Spark: Scaling Towards Personal Superintelligence

DataLearnerAI blog

No blog post yet

Muse Spark

API details

API speed

3/5

No public API pricing yet.

Muse Spark

Benchmark Results

Muse Spark currently shows benchmark results led by HLE (3 / 154, score 58), GPQA Diamond (21 / 177, score 89.50), GDPval-AA (3 / 20, score 1444). This page also consolidates core specs, context limits, and API pricing so you can evaluate the model from benchmark results and deployment constraints together.