Muse Spark Open — Meta's open-weight general model, licence to confirm

Meta's open release on 15 Oct, for general, coding and multimodal use.

Three people working together around a laptop
Illustrative stock photo — Photo by Priscilla Du Preez on Unsplash. Not a product screenshot and not the lab's own image.

In this article: In brief · What announced · Cost and access · Why it matters · What to check · What is still unknown · At a glance · Sources

LAUNCHED15 Oct 2026
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PRICE (AS PUBLISHED)Not published
ACCESSOpen-weight

Short launch note. This page is a short launch note, not a full article: its price, access or licence details were not yet published in the sources checked on 25 Oct 2026. It will be expanded when the official page confirms them.

In brief

What Meta announced

On 15 Oct 2026, Meta released Muse Spark Open — Meta's open-weight general model, licence to confirm for chat / coding work. Open-weight general model from Meta's Muse line, distinct from the closed Muse Wonder models below.

What it costs, and who can use it today

Price: Not published in the sources checked — check the official website. Access: Open-weight. Availability: Released 15 Oct 2026, open. A token, where prices are per million tokens, is roughly part of a word; prices are per million tokens processed, not per message. Open-weight means downloadable weights — check the licence for commercial use, because downloadable does not automatically mean unrestricted.

Why it matters

Open vs closed is the decision that changes deployment. Spark Open belongs in the open-weight track, not the subscription track.

What to check before you rely on it

Benchmark figures in this article, where given, are reported figures from the maker or from named coverage — they are not tests run by AI Updates.

What is still unknown

At a glance

LAUNCHED15 Oct 2026
Lab and typeMeta · Chat / Coding
PriceNot published in the sources checked
AccessOpen-weight
Last checked25 Oct 2026

Frequently asked questions

When was Muse Spark Open launched? 15 Oct 2026, by Meta.

How much does Muse Spark Open cost? Not published in the sources checked

Who can use Muse Spark Open today? Released 15 Oct 2026, open

Sources

Official — Meta AI — official website (homepage — announcement page not verified; this link does not by itself verify the launch facts below)

Also checked: ScriptByAI — AI Model Release Calendar, updated 23 Oct 2026 — a calendar or category page verifies date, lab and type only, not price or access.

Official sources are listed first, because a lab’s own announcement or product page is the primary source for price, access and availability. Secondary coverage is listed second, and is never used to upgrade an unverified figure into a settled fact.

Corrections: see Corrections for dated corrections already applied to this site, including the Kimi, Muse Wonder, Mistral and Duet corrections. If a price, date or access rule on this page has changed, it will be corrected here with a dated note. Last checked 25 Oct 2026. Prices and availability can change after the checked date — confirm on the provider page.

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