Muse Spark 1.3 Ships With 'Almost Too Cheap to Meter' Pricing; Open Weights Next
bowenc0221 · x · 2026-09-03
Muse Spark 1.3 is rolling out with the team's biggest jump yet on coding and agentic work, at near-meterless pricing, available in Muse Code and the API; open weights and a '🍉' release are coming. The team also revealed they spent much more compute on grading to curb laziness, poor instruction following, and hedging — reward hacking behaviors — which they credit for the usability gains.
Related event: Meta Launches Muse Spark 1.3: Near-Frontier Performance at ~1/8 the Price(53 posts)→
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