Introducing Muse Spark 1.1
Why CEREBRO kept it
Muse Spark 1.1 built for agentic workflows; strong coding-model focus.
The text below is an automated extraction of the article at https://simonwillison.net/2026/Jul/9/muse-spark-1-1/#atom-everything, stored verbatim in the public cerebro-vault repository. Copyright remains with the original publisher (simonwillison.net).
<p><strong><a href="https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/">Introducing Muse Spark 1.1</a></strong></p> Following <a href="https://simonwillison.net/2026/Apr/8/muse-spark/">Muse Spark in April</a>, here's Muse Spark 1.1 - the first Spark model to offer an API. Meta claim significant improvements in agentic tool calling and computer use.</p> <p>There are a lot more details are in the <a href="https://ai.meta.com/static-resource/muse-spark-1-1-evaluation-report">Muse Spark 1.1 Evaluation Report</a>. The "Attractor States in Self-Conversation" part is fun, where having tw
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