Muse Spark Open
Muse Spark Open is an 816B total / 42B active open-weight multimodal reasoning model from Meta for coding and long-horizon agentic work, with 1M-token context.
meta/muse-spark-open- Lab
- Meta
- Family
- muse
- Providers
- 16
- Context
- 1,048,576
- Output limit
- 131,072
- Knowledge
- 2026-01
- Release
- 2026-10-15
- Updated
- 2026-10-15
- Weights
- Open
- Input
- Output types
- Capabilities
- tools, reasoning, temperature
Providers
16| Cloudflare AI Gateway | Meta | meta/muse-spark-open | 1,040,000 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
|---|---|---|---|---|---|---|---|---|---|
| Eden AI | Meta | fireworks_ai/accounts/fireworks/models/muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Eden AI | Meta | nebius/meta-models/muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | No | Yes |
| Fireworks AI | Meta | accounts/fireworks/models/muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Kilo Gateway | Meta | meta/muse-spark-open | 1,048,576 | 943,718 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Merge Gateway | Meta | meta/muse-spark-open | 1,048,576 | 262,144 | $1.25 / $4.25 | Yes | Yes | No | Yes |
| Modal | Meta | meta-models/Muse-Spark-Open-816B-A42B | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| NanoGPT | Meta | meta/muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Nebius Token Factory | Meta | meta-models/muse-spark-open | 1,048,576 | 1,048,576 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Ollama Cloud | Meta | muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | No | Yes |
| OpenRouter | Meta | meta/muse-spark-open | 1,048,576 | 943,718 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Prime Inference | Meta | meta/muse-spark-open | 1,048,576 | 943,718 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Requesty | Meta | muse-spark-open | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | No | Yes |
| Together AI | Meta | meta-models/Muse-Spark-Open-816B-A42B | 1,048,576 | 131,072 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
| Venice AI | Meta | muse-spark-open | 1,048,576 | 131,072 | $1.5625 / $5.3125 | Yes | Yes | Yes | Yes |
| Vercel AI Gateway | Meta | meta/muse-spark-open | 1,048,576 | 1,048,576 | $1.25 / $4.25 | Yes | Yes | Yes | Yes |
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