# Muse Spark 1.3: SI Model Safety Record

> Muse Spark 1.3 is an SI model from Meta. The Containment Board lists it as a flagship model of Meta, which gets C+ overall. Every source linked.

Source: https://enterrsi.si/encyclopedia/muse-spark-1-3/
Updated: 2026-11-08

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RSI Encyclopedia · Model

# Muse Spark 1.3

Muse Spark 1.3 is an SI model from Meta. The Containment Board lists it as a flagship model of Meta, which gets C+ overall.

Developer
:   Meta

Type
:   SI model

Rogue Log cases
:   0

Lab grade
:   C+

## What the sources document

This entry only states what the sources on enterrsi.si document. Release dates, sizes and other specifications are left out unless a source here gives them.

## Grade context

The Containment Board grades labs, not single models. Meta gets **C+** overall, rank 5 of 11, on the commitments that decide whether its models can be tested, contained and stopped. See the [full report card](https://enterrsi.si/containment-board/meta/).

- Safety frameworkC+
- Outside testingB-
- Shutdown and pauseC
- Incident disclosureB-
- Whistleblower protectionD+

The model

Model
:   Muse Spark 1.3

Developer
:   Meta

On the board
:   Yes, as a flagship

Highest Rogue Scale level
:   None recorded

Developer

[Meta **Lab**](https://enterrsi.si/encyclopedia/meta/)

Other Meta models

- [Muse Wonder](https://enterrsi.si/encyclopedia/muse-wonder/)
- [Muse Wonder Full](https://enterrsi.si/encyclopedia/muse-wonder-full/)

Related terms

[Frontier model **Term**](https://enterrsi.si/encyclopedia/frontier-model/)

Cite this entry

"Muse Spark 1.3." The RSI Encyclopedia, enterrsi.si, November 8, 2026. https://enterrsi.si/encyclopedia/muse-spark-1-3/

Free to cite under CC BY 4.0 with a link to enterrsi.si.

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