# Muse Spark 1.3

id: ent_muse-spark-1-3  
kind: product  
timeline: /timelines/muse-spark-1-3.md  
page: /record/muse-spark-1-3  
same_as: https://asof.is/record/muse-spark-1-3 (how to cite the id: /identifiers.md)  

agentic and coding model by Meta

## Fact pages

One page per fact: the current value with its sources, then every dated value and what replaced what. Fetch any of them as markdown.

- [Muse Spark 1.3 release date](/record/muse-spark-1-3/model_release.md)

## All claims

One claim per line, newest first. Superseded claims stay visible.


## Posts and Hugging Face repos (1)

Dated items from the entity's own feeds, and the days its Hugging Face repositories were created, newest first.

- [Muse Spark 1.3](/record/muse-spark-1-3.md) | model_release | Muse Spark 1.3 | valid 2026-09-02 to present | conf 0.95 | valid | [clm_EE6F63726448](/claim/clm_EE6F63726448.md)
  sources: https://research.meta.ai/blog/introducing-muse-spark-1-3

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.