---
title: "Muse Spark 1.3"
type: entity
entity_type: model
url: https://frontiernewswire.com/models/muse-spark-1-3
updated: 2026-09-08T19:20:01.000Z
---

# Muse Spark 1.3

Canonical: https://frontiernewswire.com/models/muse-spark-1-3

- **Type:** Model
- **Signals:** 5
- **First seen:** Sep 2, 2026
- **Last seen:** Sep 8, 2026

## Recent signals

- [Meta's personal AI agent Muse is powered by Muse Spark 1.3 and is free for up to 100M tokens per week; users can get more compute via $20 and $100 monthly tiers (Riley Griffin/Bloomberg)](https://frontiernewswire.com/s/metas-personal-ai-agent-muse-is-powered-by-muse-spark-1-3-and-is-free-d62f5245) (Sep 8, 2026)
- [Artificial Analysis Coding Agent Index: GPT-6 Astra scored 67, roughly equal to Claude Opus 5, Fable 5, and Muse Spark 1.3, but trailing leader Fable 5.1's 70 (Artificial Analysis)](https://frontiernewswire.com/s/artificial-analysis-coding-agent-index-gpt-6-astra-scored-67-roughly-e07dae3d) (Sep 4, 2026)
- [Meta AI Released Muse Spark 1.3: An Agentic Coding Model That Uses \~20% Fewer Tool Calls and \~25% Fewer Tokens Than Muse Spark 1.2](https://frontiernewswire.com/s/meta-ai-released-muse-spark-1-3-an-agentic-coding-model-that-uses-20-4654bd5e) (Sep 3, 2026)
- [\[AINews\] Muse Spark 1.3 matches GPT-5.6-Sol, confirming Meta Superintelligence as the newest Frontier Lab, \>90% discount for training](https://frontiernewswire.com/s/ainews-muse-spark-1-3-matches-gpt-5-6-sol-confirming-meta-846d2544) (Sep 3, 2026)
- [Muse Spark 1.3 with max reasoning, in limited preview for partners, scores 62 on the Artificial Analysis Intelligence Index, behind only Fable 5.1 and Opus 5 (@artificialanlys)](https://frontiernewswire.com/s/muse-spark-1-3-with-max-reasoning-in-limited-preview-for-partners-904c8565) (Sep 2, 2026)

## Related

- [Meta](https://frontiernewswire.com/companies/meta) (Company)
- [Artificial Analysis](https://frontiernewswire.com/companies/artificial-analysis) (Company)
- [Claude Opus 5](https://frontiernewswire.com/models/claude-opus-5) (Model)
- [AI coding agents](https://frontiernewswire.com/topics/ai-coding-agents) (Topic)
- [Fable 5.1](https://frontiernewswire.com/models/fable-5-1) (Model)
- [AI agents](https://frontiernewswire.com/topics/ai-agents) (Topic)
- [GPT-6 Astra](https://frontiernewswire.com/models/gpt-6-astra) (Model)
- [Muse](https://frontiernewswire.com/models/muse) (Model)

---

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