Muse Spark 1.3 Cuts Tool Calls ~20% and Tokens ~25%, Meta Says
alexandr_wang · x · 2026-09-03
Alexandr Wang shared concrete efficiency gains of Muse Spark 1.3 over 1.2:
- Further improvements in reasoning and coding
- Wastes fewer turns, uses 20% fewer tool calls and 25% fewer tokens
- Holds onto requirements well during long-horizon tasks
For token-billed agent workflows, these numbers translate directly into lower costs.
Related event: Meta Launches Muse Spark 1.3: Near-Frontier Performance at ~1/8 the Price(53 posts)→
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