# Muse Spark 1.3

> Meta's Muse Spark 1.3, the release after 1.2 on the same line. 1M context, multimodal input (text, image, video, file, audio), reasoning, tool calling and structured outputs.

Human version: https://kymaapi.com/models/muse-spark-1.3
Live JSON: `GET https://kymaapi.com/v1/models` (no auth required)

## Facts

- **Model ID**: `muse-spark-1.3`: pass this as `model` in the request body
- **Creator**: Meta
- **Released**: 2026-09-02
- **Context window**: 1M tokens
- **Max output**: 8K tokens per response, a hard ceiling, not a default
- **Price**: $1.688 in / $5.738 out per 1M
- **Capabilities**: tools, vision, reasoning

## Call it

```bash
curl https://kymaapi.com/v1/chat/completions \
  -H "Authorization: Bearer $KYMA_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "muse-spark-1.3", "messages": [{"role": "user", "content": "Hello"}]}'
```

## See also

- All models: https://kymaapi.com/models.md
- Pricing: https://kymaapi.com/pricing.md
- Other models by Meta: https://kymaapi.com/models?q=Meta