Meta model product
Muse Spark
Muse Spark is the first model in the Muse family developed by Meta Superintelligence Labs.
Updated Aug 12, 2026. Default version: Muse Spark
LLMBoard score73.2Muse Spark
Coverage100%18 benchmark families
Context windowN/ATokens
Official input priceN/AOfficial price unavailable
Muse Spark Specifications
Technical details for the model's default version.
- Version
- Muse Spark
- Released
- Apr 8, 2026
- Knowledge cutoff
- Unknown
- Parameters
- N/A
- Context window
- N/A
- Max output
- N/A
- Inputs
- image, text
- Outputs
- text
- Open weights
- No
- License
- Proprietary
Muse Spark Capability Profile
This profile uses the model's current scored version. Arena ratings and prices are shown separately.
Muse Spark Benchmark Results
Benchmark scores for Muse Spark.
| FrontierScience Research | 0.4 | 1 | 4 | 100.0% | C | |
| HealthBench Hard | 0.4 | 1 | 9 | 100.0% | C | |
| IPhO 2025 | 0.8 | 1 | 2 | 100.0% | C | |
| MedXpertQA | 0.8 | 1 | 12 | 100.0% | C | |
| ZEROBench | 0.3 | 2 | 9 | 87.5% | C | |
| LiveCodeBench Pro | 0.8 | 3 | 4 | 33.3% | C | |
| ScreenSpot Pro | 0.8 | 4 | 25 | 87.5% | C | |
| SimpleVQA | 0.7 | 4 | 13 | 75.0% | C | |
| Humanity's Last Exam | 0.6 | 5 | 93 | 95.7% | C | |
| DeepSearchQA | 0.7 | 8 | 9 | 12.5% | C | |
| ERQA | 0.6 | 8 | 23 | 68.2% | C | |
| ARC-AGI v2 | 0.4 | 9 | 16 | 46.7% | C | |
| CharXiv-R | 0.9 | 9 | 48 | 83.0% | C | |
| MMMU-Pro | 0.8 | 13 | 66 | 81.5% | C | |
| Tau2 Telecom | 0.9 | 16 | 35 | 55.9% | C | |
| Terminal-Bench 2.0 | 0.6 | 24 | 49 | 52.1% | C | |
| SWE-Bench Verified | 0.8 | 25 | 105 | 76.9% | C | |
| GPQA | 0.9 | 26 | 234 | 89.3% | C | |
| SWE-Bench Pro | 0.5 | 40 | 45 | 11.4% | C |
Muse Spark Arena Results
Preference and agent-evaluation results for the default version.
| vision style control | overall | 8 | 1294.2 | 5,576 | N/A | |
| text style control | overall | 11 | 1488.0 | 13,602 | N/A | |
| vision | overall | 11 | 1306.7 | 5,576 | N/A | |
| document style control | overall | 18 | 1466.3 | 1,078 | N/A | |
| text | overall | 18 | 1473.1 | 13,602 | N/A | |
| document | overall | 24 | 1443.2 | 1,078 | N/A | |
| text factuality | overall | 25 | 1466.2 | 13,585 | N/A |
Muse Spark Pricing
Official vendor API pricing appears first, followed by individual provider offers.
- Official API
- N/A
- Official provider
- N/A
- Lowest third-party
- N/A
- Tracked offerings
- 0
No provider prices
The default version has no current input or output token prices.
Official prices use only the vendor's configured official Provider and positive standard USD PAYG rates. Third-party offers remain explicitly labeled.
Muse Spark Versions
Available versions of this model. The score column identifies the version used in the overall ranking.
| Muse Spark | 73.2 | N/A | N/A | N/A | No | Proprietary |
What is Muse Spark?
Key information about Muse Spark and its available data.
Muse Spark is the first model in the Muse family developed by Meta Superintelligence Labs. It is a natively multimodal reasoning model with support for tool-use, visual chain of thought, and multi-agent orchestration. It features a Contemplating mode that orchestrates multiple agents reasoning in parallel.
It demonstrates competitive performance in multimodal perception, reasoning, health, and agentic tasks, with Contemplating mode achieving 58% on Humanity's Last Exam and 38% on FrontierScience Research.
Data as of 2026-08-11.
Muse Spark vs nearby models
Open a comparison with the three ranked models immediately above and below this model.
Models similar to Muse Spark
Recommendations prioritize the same model type and family, then the closest LLMBoard score.
ME
Muse Spark 1.2
Meta
ME
Muse Glimmer 30B
Meta
ME
Muse Spark 1.1
Meta
ME
Llama 4 Maverick
Meta
ME
Llama 3.1 405B
Meta
ME
Llama 3.3 70B
Meta
FAQ
Common questions about Muse Spark.
When was Muse Spark released?
Muse Spark's default version was released on Apr 8, 2026.
How much does Muse Spark cost?
No official standard PAYG price is currently available for Muse Spark.
Who created Muse Spark?
Muse Spark was created by Meta.
What is the context window for Muse Spark?
A context window is not available for the default version.
Is Muse Spark open weight?
No. The default version is not marked as having publicly available weights.
How many API providers offer Muse Spark?
No provider offering is currently linked to the default version.
What models should I compare Muse Spark with?
Nearby ranked alternatives include Kimi K2.6, DeepSeek-V4-Pro, Qwen3.7 Plus.