Meta's new model is Muse Spark, and meta.ai chat has some interesting tools
Highlights
- ▸Meta moved from open-weights Llama to closed Muse Spark — the strategic shift is the news, not the benchmarks
- ▸Muse Spark is competitive on general benchmarks but behind on Terminal-Bench 2.0 (agentic/coding) — Meta explicitly acknowledges the gap
- ▸Two modes today (Instant, Thinking) plus a promised 'Contemplating' mode for long reasoning — Meta is tracking the test-time-compute scaling axis competitors opened
Original excerpt
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Meta announced Muse Spark today, their first model release since Llama 4 almost exactly a year ago. It’s hosted, not open weights, and the API is currently “a private API preview to select users”, but you can try it out today on meta.ai (Facebook or Instagram login required).
Meta’s self-reported benchmarks show it competitive with Opus 4.6, Gemini 3.1 Pro, and GPT 5.4 on selected benchmarks, though notably behind on Terminal-Bench 2.0. Meta themselves say they “continue to invest in areas with current performance gaps, such as long-horizon agentic systems and…
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