Muse Spark 1.2
Muse Spark 1.2 is worth evaluating for rag, agents, and long context when its provider route and context window match the workload.
Use it for
- Teams evaluating rag, agents, and long context
- Workloads that can use a 1.05m context window
- Buyers comparing 1 tracked provider route
Do not use it for
- Workloads where another current model has stronger sourced task evidence
- Family
- Muse
- Released
- 2026-08-05
- Context
- 1.05m
- Max output
- 131,072
- Architecture
- Decoder Only
- Specialization
- reasoning
- Openness
- Proprietary
- Weights
- Not released
- Code
- Unknown
Large-scale open-source AI for social technologies.
Cheapest of 1 route · Meta Model API · cache read $0.150
About
Muse Spark 1.2 is Meta Superintelligence Labs' proprietary multimodal reasoning model for agentic coding and long-context work, released August 5, 2026. It supports a 1,048,576-token context window and up to 131,072 output tokens through the Meta Model API. No public weights release at launch.
Top use-case fit: coding, agents, and build tasks
RAG
Included by capability and metadata signals in the decision map.
Agents
Included by capability and metadata signals in the decision map.
Long context
Included by capability and metadata signals in the decision map.
Provider price ladder
Compare API pricing across 1 providers for input and output tokens, batch, and cached reads when available.
| Provider | Input / 1M | Output / 1M | Cache | Route |
|---|---|---|---|---|
| Meta Model API | $1.25 | $4.25 | read $0.150 | Serverless |
Capabilities
Benchmark peer barsfor RAG
No task-mapped benchmark peers are available for this model yet.
Migration checks
No linked migration route is available for this model yet.
API versions
muse-spark-1.2Rankings & picks(2)
Large-scale open-source AI for social technologies.
Cheapest of 1 route · Meta Model API · cache read $0.150