There are a lot more details are in the Muse Spark 1.1 Evaluation Report.
I had a few days of preview access which was long enough to put together llm-meta-ai, a new plugin for LLM providing CLI (and Python library) access to the model. Here's how to try that out:
uv tool install llm
llm install llm-meta-ai
llm keys set meta-ai
llm -m meta-ai/muse-spark-1.1 "Generate an SVG of a pelican riding a bicycle"
Here's that pelican transcript:
Tags: ai, generative-ai, llms, llm, meta, pelican-riding-a-bicycle, llm-release