# Muse Spark 1.1

`muse-spark-1.1` — **meta** · CHAT

> Muse Spark 1.1 (muse-spark-1.1) is a chat model from meta with a 1.0M-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input image, pdf, text, video; output text.

| Field | Value |
| --- | --- |
| Vendor | meta |
| Kind | CHAT |
| Context window | 1,048,576 tokens |
| Max output tokens | 131,072 tokens |
| Indicative price (US list) | $1.25 in / $4.25 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | image, pdf, text, video |
| Output modalities | text |
| Capabilities | tools, vision, reasoning |
| Weights | Proprietary (API-only) |
| Release date | 2026-04-08 |
| Sources | models-dev |
| Last verified | 2026-10-30 |

*Part of the [Model Catalog](https://openviglet.github.io/model-catalog/) — [meta models](https://openviglet.github.io/model-catalog/models/meta/) · [Vendor JSON](https://openviglet.github.io/model-catalog/by-vendor/meta.json) · [HTML](https://openviglet.github.io/model-catalog/models/meta/muse-spark-1.1.html)*