Muse Spark 1.3 Contributor
Muse Spark 1.3 Contributor is worth evaluating for coding, rag, and agents when its provider route and context window match the workload.
Use it for
- Teams evaluating coding, rag, and agents
- 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
- 2026-09-02
- Context
- 1.05m
- Max output
- 131,072
- Specialization
- coding
- Openness
- Proprietary
- Weights
- Not released
- Code
- Unknown
Large-scale open-source AI for social technologies.
Cheapest of 1 route · Meta Model API · cache read $0.002
About
Muse Spark 1.3 Contributor is the Contributor-tier catalog ID (muse-spark-1.3-contributor) of Muse Spark 1.3 on Meta Model API. Official models page lists it as a distinct Model ID on the Contributor tier with the same 1,048,576-token context and the same input modalities as muse-spark-1.3 (text, image, video, audio*, PDF) and text output. First-party pricing page lists it with its own Contributor rates. Heavily discounted token pricing in exchange for permission to use prompts and completions to train future Meta models. Audio understanding in 1.3 is currently not fully supported. Not a separately published checkpoint or weights drop.
Top use-case fit: coding, agents, and build tasks
Coding
Included by capability and metadata signals in the decision map.
RAG
Included by capability and metadata signals in the decision map.
Agents
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 | $0.100 | $0.200 | read $0.002 | Serverless |
Capabilities
Benchmark peer barsfor Coding
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-1.3-contributorRankings & picks(2)
Large-scale open-source AI for social technologies.
Cheapest of 1 route · Meta Model API · cache read $0.002