Muse Spark 1.3
by Meta
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended ta
Models
Muse Spark 1.3
Added 3 Sept 2026
Overview
Muse Spark 1.3 is a multimodal reasoning model from Meta for long-running agentic, multi-agent, and coding workflows. It is designed to keep track of information across extended tasks, work through...
How to use / API access
Call via OpenRouter with model id `meta/muse-spark-1.3`.
- openrouter ·
meta/muse-spark-1.3Docs
OpenRouter id: meta/muse-spark-1.3
Benchmarks
- Intelligence Index (artificial-analysis): 48.1 index
- Coding Index (artificial-analysis): 75.8 index
- Agentic Index (artificial-analysis): 55.5 index
- Design Arena fullstack (other): 1312 elo · #3
- Design Arena mobileapps (other): 1219 elo · #10
- Design Arena python-pptxslides (other): 1244 elo · #10
- Design Arena webapps (other): 1295 elo · #2
Notes
Muse Spark 1.3 is listed in the EDNA Models directory from the OpenRouter catalogue.
In the AI Pulse
Recent daily briefs from the Enterprise DNA AI Pulse that mention this. The short daily read on what is actually happening in AI.
- Under the Radar27 Sept 2026
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- Under the Radar26 Sept 2026
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- AI Trends Pulse9 Sept 2026
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- Under the Radar4 Sept 2026
Meta's free-tier model becomes a builder arbitrage play
- Frontier Labs Watch4 Sept 2026
Meta prices Muse Spark 1.3 at $1.25/M input tokens while claiming near-frontier coding scores, but holds the actually-competitive variant back
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