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Family5 measured versions

Muse Spark

25thout of 71General intelligence, its best version: Muse Spark 1.3, index 158.0
Measured versions53 with a profile
First release8/4/2026Muse Spark
Latest release15/10/2026Muse Spark Open

Lineage

Company
Meta
Versions
Muse Spark OpenMuse Spark 1.3Muse Spark 1.2Muse Spark 1.1Muse Spark
Assistants that offer its latest version
Meta AI

Versions without a link: below the threshold for a profile (3 public measurements, or a place in the top 10 of a benchmark).

Muse Spark versions, general intelligence and release date

Epoch AI ECI index and its 95% interval; 5 versions released in 2026 and measured by the ECI index, the most recent highlighted; the rank of each version in each benchmark, in the "Table" tab

AprMayJunJulAugSepOctNov150155160General intelligence index (ECI)Muse Spark OpenMuse Spark 1.3Muse Spark 1.2Muse Spark 1.1Muse Spark

Dot: the index measured, at the release dateLine: the 95% interval

Sources: Epoch AI, "Capabilities & benchmarking"; LMArena. CC BY 4.0 licence.

AI Impact, by Projet Celsius

Rank among models released in 2026 and measured by the benchmark. Sources: Epoch AI and LMArena (CC BY 4.0), data as of 10 November 2026. An underlined name links to the version profile.

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