What the evidence says
These facts come from the reviewed Epoch AI catalog artifact and its linked primary record. They describe the model. They do not rank it.
- Developer [1]
- Meta
- Released [1]
- April 8, 2026
- Domains [1]
- Multimodal · Language · Vision
- Tasks [1]
- Language modeling/generation · Question answering
- Access [1]
- API access
- Weights [1]
- Closed
Where it may fit
These are evidence-bounded screening suggestions, not performance claims or purchase recommendations.
Vision-and-language question answering
Consider it when one hosted Meta API workflow must span language and vision inputs for question answering.
Evidence fields: domains, tasks, access [1]
Meta-hosted language generation
Consider it for language generation delivered through Meta's managed API rather than downloadable Llama weights.
Evidence fields: tasks, access, openWeights [1]
Limitations
The record does not supply context window, price, latency, benchmark results, or safety evaluations. The separately pinned LMArena snapshot lists a Muse Spark 1.1 entry that does not exactly match this catalog record, so no rating is shown here.
Current standing
According to the LMArena snapshot published July 12, 2026, no exact match for this catalog record appears in the style-controlled text category, so this page reports no current rating for Muse Spark.