# Meta Releases 816B-parameter Muse Spark Open for Coding and Agent Work

> **Platform:** [SPIDITS AI](https://spidits.com/) — Real-Time AI News & Market Intelligence  
> **Published:** 2026-10-15T12:00:00.000Z  
> **Category:** OPEN_SOURCE  
> **Impact Score:** 90/100  
> **Primary Source:** [SiliconANGLE](https://siliconangle.com/2026/10/15/meta-releases-816b-parameter-muse-spark-open-for-coding-and-agent-work)  
> **Canonical Citation:** [https://spidits.com/timeline/meta-releases-816b-parameter-muse-spark-open-for-coding-and-agent-work](https://spidits.com/timeline/meta-releases-816b-parameter-muse-spark-open-for-coding-and-agent-work)

## Executive Summary
Meta Platforms Inc. today released open weights for its Muse Spark artificial intelligence model, which had been proprietary since its April debut. The release, called Muse Spark Open, is built for coding and long-running agent work.

## Why It Matters (Strategic Analysis)
Opening an 816B‑parameter model with a million‑token window gives developers unprecedented on‑premise AI capability for complex coding and autonomous agent tasks, while the benchmark results prove it can compete with both Western and Chinese open models despite licensing limits.

## Key Entities & Companies
- **Meta AI**

## Referenced Coverage & Sources
- **[SiliconANGLE](https://siliconangle.com/2026/10/15/meta-releases-816b-parameter-muse-spark-open-for-coding-and-agent-work)**: Meta releases 816B-parameter Muse Spark Open for coding and agent work — _Meta Platforms Inc. today released open weights for its Muse Spark artificial intelligence model, which had been proprietary since its April debut. The release, called Muse Spark Open, is built for coding and long-running agent work. Meta describes it as the most capable open-weight model to come..._

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*Synthesized by SPIDITS AI Market Intelligence Desk. Track live AI news, model releases, and funding: [https://spidits.com](https://spidits.com)*