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
Rank
#8
| Benchmark | Score | Rank |
|---|---|---|
Agentic Index | max 0.56 | 4 |
General | max 0.82 | 6 |
LiveBench Average | max 0.82 | 6 |
Agentic Coding | max 0.64 | 7 |
General Text | max 1494 | 8 |
Mathematics | max 0.96 | 9 |
Data Analysis | max 0.80 | 9 |
Web Development | max 1657 | 10 |
Coding Index | max 0.77 | 12 |
Reasoning | max 0.90 | 13 |
Coding | max 0.81 | 14 |
Intelligence Index | max 0.48 | 15 |
Agent Arena | max 0.04 | 16 |
Overall Rank
#8
Coding Rank
#12
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.
Architecture specifications are undisclosed for proprietary models.
The Muse Spark model family developed by Meta.
Assistant
Online