Meta releases Muse Spark 1.3: frontier performance "almost too cheap to meter"
denny_zhou · x · 2026-09-03
Meta's Alexandr Wang announced Muse Spark 1.3, live in Muse Code and the Meta model API — billed as their most capable model yet with frontier-level performance at near-meterless pricing, major agentic/coding gains, and better usability.
Researcher xinyunchen noted the team has worked on long-context since Muse Spark 1.1, with Denny Zhou and others contributing to the long-context improvements in this release.
Related event: Meta releases Muse Spark 1.3 with major coding and agent gains(27 posts)→
More from Models
- AI vividly 'sees' and describes scenes while experiencing only darkness — yeastsplainer · 2026-09-03
- Every's writing bench adds Gemini 3.8 Flash, Grok 4.6, and Muse Spark 1.3 — danshipper · 2026-09-03
- Meta's Muse Spark 1.3 lands on OpenRouter with 1M context for agentic workflows — armand_ruiz · 2026-09-03
- DeepSeek-V4-Pro ships with 1.6T-param MoE; open-source eval harness steals the show — DeepLearningAI · 2026-09-03
- Rival AI agents: cross-vendor model review catches what self-review misses — rseroter · 2026-09-03
- Gemini's Distinctive Take on AI Sentience Turns Heads — aiamblichus · 2026-09-03