Identity
- Status
- preview
- Developer ID
muse-spark-1.2- Released
- Aug 5, 2026
- Version
- Muse Spark 1.2
- License
- Unknown
MetaMuse Spark 1.2
Muse Spark 1.2 is Meta's coding-optimized multimodal agent model for complex repository work, computer use, and multi-agent workflows.
- Token context
- Unknown
- Inputs
- Text, Image, Video, Audio
- Outputs
- Text
- Released
- Aug 5, 2026
Providers & Pricing
0 current hosted offerings
No Current Hosted API Offering Verified
The developer states that API access is available, but Model Markets has not verified an exact provider endpoint or published price for this model version.
Benchmarks
All benchmark results →| LiveBench2026-06-25-90f8d44da965 | 81.88 | 18,700 | 1,270 | muse-spark-1.2-xhighaverage per case | Recomputedwinner eligible | Third-party benchmark |
| LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e | -6.41 | — | 51,435 | Muse Spark 1.2 (xHigh); 95% CI [-7.24140950, -5.58489868]; sessions 51435; observations 3268541; rank 43unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e | 1,304.55 | — | 1,954 | muse-spark-1.2 (xHigh); 95% CI [1290.22866830, 1318.87305829]; votes 1954; rank 17unknown | Original sourcewinner eligible | Third-party benchmark |
At a Glance
Model Facts
Capacity
- Token context
- Unknown
- Maximum output
- Unknown
- Total parameters
- Unknown
- Active parameters
- Unknown
- Knowledge cutoff
- Not reported
Interface and Access
- Inputs
- Text, Image, Video, Audio
- Outputs
- Text
- API available
- Yes
- Open weights
- No
- Self-hostable
- No
- Reasoning
- Yes
- Vision
- Yes
- Tool calling
- Yes
- Capabilities
- chat, computer-use, generation, reasoning, research, structured outputs, tools
This page represents one developer model product. Dated API snapshots, serving endpoints, pricing, regions, quantizations, and service tiers attach as versioned aliases or provider details and never create duplicate public model records.
Version Lineage
PredecessorUnknown
SuccessorsUnknown
Aliasesmuse-spark, muse-spark-1.2
Explicit Unknowns
- Maximum output
- Architecture
- Tokenizer
- Knowledge cutoff
- Provider pricing
Primary Evidence
Sources and Observation Date
Comparable Peers
Related Model Comparisons
| A | Pair | B | Context |
|---|---|---|---|
Muse Spark 1.2Meta | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Muse Spark 1.2Meta | vs | Gemini 3.8 FlashGoogle DeepMind | cross-developer peerstext |
Muse Spark 1.2Meta | vs | Seed 2.0 LiteByteDance Seed | cross-developer peersaudio, image, text, video |
Muse Spark 1.2Meta | vs | Gemma 4 12BGoogle DeepMind | cross-developer peersaudio, image, text, video |
Muse Spark 1.2Meta | vs | Gemma 4 E4BGoogle DeepMind | cross-developer peersaudio, image, text, video |
Muse Spark 1.2Meta | vs | cross-developer peersaudio, text | |
Muse Spark 1.2Meta | vs | cross-developer peersaudio, text | |
Muse Spark 1.2Meta | vs | Muse Spark 1.3Meta | family variantsimage, text, video |
Muse Spark 1.2Meta | vs |  VibeVoice ASR Streaming 1.5BMicrosoft | cross-developer peersaudio, text |
Questions
Muse Spark 1.2 FAQs
What is Muse Spark 1.2?+
Muse Spark 1.2 is Meta's coding-optimized multimodal agent model for complex repository work, computer use, and multi-agent workflows. It is developed by Meta and its current sourced lifecycle status is preview.
What inputs and outputs does Muse Spark 1.2 support?+
Muse Spark 1.2's current record lists Text, Image, Video, and Audio as input and Text as output.
Is Muse Spark 1.2 available through an API?+
Muse Spark 1.2 is marked as API-available. No directly sourced serving-provider record is attached yet.
How much does Muse Spark 1.2 cost through an API?+
No directly sourced token price is currently attached to Muse Spark 1.2. Missing prices remain unknown rather than being inferred from another model or provider.
What capabilities and tasks does Muse Spark 1.2 support?+
Muse Spark 1.2's recorded capabilities are chat, computer-use, generation, reasoning, research, structured outputs, and tools. Its supported tasks are audio, image, reasoning, text, and video.
Can Muse Spark 1.2 be self-hosted?+
Muse Spark 1.2 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does Muse Spark 1.2 have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are muse-spark and muse-spark-1.2.
Which models can Muse Spark 1.2 be compared with?+
The current compatible peer set includes Gemini 3.1 Pro, Gemini 3.8 Flash, Seed 2.0 Lite, Gemma 4 12B, and Gemma 4 E4B. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons →
How current is the Model Markets record for Muse Spark 1.2?+
Muse Spark 1.2 was last verified Sep 3, 2026 from Meta's primary source, “Muse Spark 1.2 | Meta AI Developers.” The evidence is classified as official fact.