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 sourced offerings
No Current Hosted API Offering VerifiedThe 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 | 81.88 | 18,700 | 1,270 | muse-spark-1.2-xhighaverage per case | Recomputedwinner eligible | Third-party benchmark |
| LMArena Agent Arenaagent-2026-08-31-011508720696 | 0.97 | — | 18,416 | Muse Spark 1.2 (xHigh); 95% CI [-0.15615379, 2.09143176]; sessions 18416; observations 735300; rank 29unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Text Arenatext-2026-09-01-011508720696 | 1,488.47 | — | 3,244 | muse-spark-1.2 (xHigh); 95% CI [1478.00612479, 1498.93408698]; votes 3244; rank 8unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-08-27-011508720696 | 1,304.12 | — | 1,844 | muse-spark-1.2 (xHigh); 95% CI [1289.37421867, 1318.87511042]; votes 1844; rank 12unknown | 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 |  GPT-5.6 SolOpenAI | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs | Claude Fable 5.1Anthropic | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Muse Spark 1.2Meta | vs |  DeepSeek V4 ProDeepSeek | cross-developer peerstext |
Muse Spark 1.2Meta | vs | Grok 4.6xAI | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs |  Qwen3.8 MaxQwen | cross-developer peersimage, text, video |
Muse Spark 1.2Meta | vs |  Kimi K3Moonshot AI | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs |  MiniMax M3MiniMax | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs |  GLM 5.3Z.ai | cross-developer peerstext |
Muse Spark 1.2Meta | vs |  Hy4 previewTencent | cross-developer peerstext |
Muse Spark 1.2Meta | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text, video |
Muse Spark 1.2Meta | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Muse Spark 1.2Meta | vs | developer peersimage, text | |
Muse Spark 1.2Meta | vs |  Nova 2 LiteAmazon | cross-developer peersimage, text, video |
Muse Spark 1.2Meta | vs | cross-developer peersimage, text | |
Muse Spark 1.2Meta | vs |  ERNIE 5.1Baidu | cross-developer peerstext |
Muse Spark 1.2Meta | vs | cross-developer peerstext | |
Muse Spark 1.2Meta | vs | cross-developer peerstext | |
Muse Spark 1.2Meta | vs |  Phi-4 ReasoningMicrosoft | cross-developer peerstext |
Muse Spark 1.2Meta | vs | cross-developer peerstext | |
Muse Spark 1.2Meta | vs |  Sonar ProPerplexity | cross-developer peerstext |
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 GPT-5.6 Sol, Claude Fable 5.1, Gemini 3.1 Pro, DeepSeek V4 Pro, and Grok 4.6. 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.