Development

Meta Superintelligence Labs ships its first model

development2026-04-08

Claim

Meta released Muse Spark, the first model from Meta Superintelligence Labs and a ground-up overhaul featuring a parallel-agent contemplating mode that reaches 58% on Humanity's Last Exam, with an open-source release reportedly still planned.

Reported metric: 58% HLE

Reporting date: 2026-04-08 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to April 8, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to April 8, 2026

Actor

Meta Superintelligence Labs

Evidence for

Supersedes

Small open models outcompete rivals twenty times their size

Referenced by

Cite or correct this record

Citation formatCitation text

Meta Superintelligence Labs ships its first model
Innermost Loop KB — secondary record
Reporting date: 2026-04-08
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-04-08-meta-superintelligence-ships-muse-spark
Claim: Meta released Muse Spark, the first model from Meta Superintelligence Labs and a ground-up overhaul featuring a parallel-agent contemplating mode that reaches 58% on Humanity's Last Exam, with an open-source release reportedly still planned.
Attributed sources:
- Welcome to April 8, 2026 — https://theinnermostloop.substack.com/p/welcome-to-april-8-2026
This citation does not imply independent verification of linked-source claims.

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