# Meta: Muse Spark Open

- Model id: `meta/muse-spark-open`
- Served by: -
- List price per 1M tokens, input / output, from: -, with 0% platform fee. A request is billed at the list price of the host that served it.
- Context: 1.05M, max output 944K
- Prices read 2026-11-15 09:33 UTC
- Page: https://plaingateway.com/models/meta/muse-spark-open

Muse Spark Open is a coding-optimized open-weight model. Trained specifically for agentic coding workflows, it delivers higher first-attempt accuracy, reliable tool calling, and deep codebase understanding across the repos developers...

## Hosts

| Host | Endpoint | In / out /M | Cache read /M | Context | Served |
|---|---|---|---|---|---|
| Baseten | `baseten/fp4` | $1.25 / $4.25 | $0.15 | 1.05M | no |
| Fireworks | `fireworks` | $1.25 / $4.25 | $0.15 | 1.05M | no |
| Modal | `modal` | $1.25 / $4.25 | $0.15 | 1M | no |
| Nebius | `nebius/fp4` | $1.25 / $4.25 | $0.15 | 1.05M | no |
| Together | `together` | $1.25 / $4.25 | $0.15 | 1.05M | no |

## First request

```sh
curl https://api.plaingateway.com/api/v1/chat/completions \
  -H "Authorization: Bearer $PLAINGATEWAY_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "meta/muse-spark-open", "messages": [{"role": "user", "content": "Say hello in five words."}]}'
```

Sign up at https://plaingateway.com/signup (no card), create a key, send a test call, and add credits when you want more. New accounts may get a small starting credit. The whole bootstrap for agents: https://plaingateway.com/llms.txt