# Meta lists Muse Spark 1.3 for agentic and coding workloads

_Wednesday, September 2, 2026 at 3:35 PM EDT · AI · Latest · Tier 2 — Notable_

![Meta lists Muse Spark 1.3 for agentic and coding workloads — Primary](https://scontent-fra3-1.xx.fbcdn.net/v/t39.2365-6/741888780_1335161144859187_4416712401061192452_n.png?_nc_cat=108&ccb=1-7&_nc_sid=aa6a2f&_nc_ohc=035RilvDqSsQ7kNvwF1zz8i&_nc_oc=Ado_mP76lCBXS1Qh-VyNmhV94Kw4JW507bJCMjQKySaNQFtHCD9oObv0GLHPsMz9_-4IGNyNO0moM7k2HD7CDqLH&_nc_zt=14&_nc_ht=scontent-fra3-1.xx&_nc_gid=YvXMLMk5RXKZsgav1QQJLw&_nc_ss=7f289&oh=00_AQLyqrafpjIWgX6CkMiSygbBoWQiDI4Gm2LAq51JIghH1g&oe=6A9E5E91)

Meta lists Muse Spark 1.3 with a one-million-token context window and two API pricing tiers. Its model page says the system is trained for long-horizon agentic workflows, optimized for competitive coding, and includes native multimodal perception. Meta lists a contributor tier at $0.10 per million input tokens and $0.20 per million output tokens, while a standard tier is priced at $1.25 input and $4.25 output.

## Sources

- [Hacker News](https://developer.meta.com/ai/models/muse-spark/)

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Canonical: https://techandbusiness.org/newswire/X89U1tO8M-D07YGao3edCp
Retrieved: 2026-09-02T23:57:46.246Z
Publisher: Tech & Business (techandbusiness.org)