Identity
- Status
- preview
- Developer ID
muse-spark-1.3- Released
- Sep 2, 2026
- Version
- Muse Spark 1.3
- License
- Unknown
MetaMuse Spark 1.3
Muse Spark 1.3 is Meta's multimodal reasoning model for long-horizon agentic workflows, coding, computer use, web research, and tool-driven automation.
- Token context
- Unknown
- Inputs
- Text, Image, Video
- Outputs
- Text
- Released
- Sep 2, 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 | 85.47 | 28,234 | 1,270 | muse-spark-1.3-xhighaverage per case | Recomputedwinner eligible | Third-party benchmark |
| LMArena Agent Arenaagent-2026-10-16-a64ca3b12b6e | 3.82 | — | 73,912 | Muse Spark 1.3 (Max); 95% CI [2.98809934, 4.65329623]; sessions 73912; observations 7381209; rank 14unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Document Arenadocument-2026-09-13-a64ca3b12b6e | 1,470.66 | — | 1,006 | muse-spark-1.3-max; 95% CI [1452.36505006, 1488.94793707]; votes 1006; rank 15unknown | Original sourcewinner eligible | Third-party benchmark |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e | 1,309.35 | — | 4,550 | muse-spark-1.3-max; 95% CI [1299.58784189, 1319.11184130]; votes 4550; rank 13unknown | Original sourcewinner eligible | Third-party benchmark |
| ToneBench2026-10-17-10-task-e9c76358afb2 | 75.55 | 7,511 | 50 | Muse Spark 1.3 (high)average per case | Original sourcenot winner eligible | Third-party benchmark |
| ToneBench2026-10-17-10-task-e9c76358afb2 | 75.44 | 4,995 | 50 | Muse Spark 1.3 (medium)average per case | Original sourcenot winner 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
- 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, 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-1.3
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 1.3Meta | vs |  Qwen3.8 MaxQwen | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs |  Nova 2 LiteAmazon | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Seed 2.0 ProByteDance Seed | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Seed 2.1 EvolvingByteDance Seed | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Muse Spark 1.1Meta | family variantsimage, text, video |
Muse Spark 1.3Meta | vs | Muse Spark 1.2Meta | family variantsimage, text, video |
Muse Spark 1.3Meta | vs |  Kimi K2.7 CodeMoonshot AI | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs |  o3-proOpenAI | cross-developer peersimage, text |
Muse Spark 1.3Meta | vs | Qwen3.7 PlusQwen | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Qwen3.8 FlashQwen | cross-developer peersimage, text, video |
Muse Spark 1.3Meta | vs | Grok 4.5xAI | cross-developer peersimage, text |
Questions
Muse Spark 1.3 FAQs
What is Muse Spark 1.3?+
Muse Spark 1.3 is Meta's multimodal reasoning model for long-horizon agentic workflows, coding, computer use, web research, and tool-driven automation. It is developed by Meta and its current sourced lifecycle status is preview.
What inputs and outputs does Muse Spark 1.3 support?+
Muse Spark 1.3's current record lists Text, Image, and Video as input and Text as output.
Is Muse Spark 1.3 available through an API?+
Muse Spark 1.3 is marked as API-available. No directly sourced serving-provider record is attached yet.
How much does Muse Spark 1.3 cost through an API?+
No directly sourced token price is currently attached to Muse Spark 1.3. Missing prices remain unknown rather than being inferred from another model or provider.
What capabilities and tasks does Muse Spark 1.3 support?+
Muse Spark 1.3's recorded capabilities are chat, computer-use, generation, reasoning, research, and tools. Its supported tasks are coding, image, reasoning, text, and video.
Can Muse Spark 1.3 be self-hosted?+
Muse Spark 1.3 is not marked as an open-weight model. Self-hosting is marked as unsupported, with no license recorded.
Does Muse Spark 1.3 have related versions or aliases?+
No predecessor is recorded. No successor is recorded. Recorded aliases are muse-spark and muse-spark-1.3.
Which models can Muse Spark 1.3 be compared with?+
The current compatible peer set includes Qwen3.8 Max, Seed 2.1 Pro, Nova 2 Lite, Seed 2.0 Pro, and Seed 2.1 Evolving. 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 1.3?+
Muse Spark 1.3 was last verified Sep 4, 2026 from Meta's primary source, “Introducing Muse Spark 1.3 | Meta AI Research.” The evidence is classified as official fact.