Muse Spark 1.3: score and benchmark evidence

Historical release · · Meta

109.5 points · Rank 5 among 19 ranked models · Stability range 101.2–117.9 points.

Rank follows the point estimate; it does not establish statistically significant superiority. The scale is anchored at mean 100, SD 15 in the frozen calibration cohort, not human IQ or a percentage.

Release tli-2026-v4.1-2026-09-03b. Methodology and limitations for this release.

This page preserves historical evidence. See the current model record.

Capability domains

Domain scores use calibration-cohort standard-deviation units. Unmeasured domains are shown as unavailable, not zero.

DomainScore (SD units)Observed benchmarks
Knowledge & reasoning0.434
Coding & software engineering1.002
Agentic tool & computer use0.252
Professional & real-world work0.732
Multimodal & vision-0.121
CybersecurityUnavailable0
Preference & communicationUnavailable0

Published benchmark evidence

11 results contribute to this score, from 11 collected results. Counts are not independent sample sizes.

This older release did not preserve per-model source records in its public snapshot. The archived scores remain available, but the current model record's evidence should not be treated as the source for these historical values.

    Cite this model record

    The Latent. “Muse Spark 1.3: score and benchmark evidence.” 2026-09-03. Release tli-2026-v4.1-2026-09-03b.

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