Meta's New Model Has 16 Tools. Here's What They Do.
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Meta's New Model Has 16 Tools. Here's What They Do. Meta just released Muse Spark—their first model since Llama 4 almost exactly a year ago. It's competitive with GPT-5.4, Gemini 3.1 Pro, and Opus 4.6 on benchmarks. But that's not the interesting part. The interesting part is what's running under the hood at meta.ai. Simon Willison poked around and got the model to dump its entire tool catalog—16 tools with full parameter schemas. Meta didn't hide them. No jailbreaks required. Just