Muse Spark 1.3
Parameters
Undisclosed
Context Length
1.05M
Modality
Multimodal
Architecture
Undisclosed
License
Proprietary
Release Date
2 Sept 2026
Knowledge Cutoff
-
API Pricing (per 1M)
Input: $1.25 · Output: $4.25
Evaluation Benchmarks
Rank
#4
| Benchmark | Score | Rank |
|---|---|---|
General | max 0.82 | 🥉 3 |
LiveBench Average | max 0.82 | 🥉 3 |
Mathematics | max 0.96 | 4 |
Intelligence Index | max 0.53 | 4 |
Agentic Index | max 0.56 | 4 |
Agentic Coding | max 0.64 | 5 |
Data Analysis | max 0.80 | 5 |
Reasoning | max 0.90 | 8 |
Coding Index | max 0.77 | 9 |
Web Development | max 1618 | 10 |
Coding | max 0.81 | 11 |
Rankings
Overall Rank
#4
Coding Rank
#6
About Muse Spark 1.3
Muse Spark 1.3 is a multimodal reasoning model from Meta built for long-running agentic, multi-agent, and coding workflows. It provides strong tracking across extended tasks and natively processes text, image, audio, and video inputs.
Technical Specifications
Architecture specifications are undisclosed for proprietary models.
About Muse Spark
The Muse Spark model family developed by Meta.