A third release in four months lands on the cost-per-task frontier

Claim

Meta's Muse Spark 1.2 hit 54 on the Intelligence Index, its third release in four months, with agentic work up 260 Elo past Opus 4.8, landing six points below Claude Opus 5 at roughly one sixth the cost.

Reported metric: 1/6 the cost

Reporting date: 2026-08-06 (not necessarily the event date)

Sources

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

• Welcome to August 6, 2026 (theinnermostloop.substack.com)