# Meta: Muse Spark 1.2 Contributor

`meta/muse-spark-1.2-contributor` — **openrouter** · CHAT

> Meta: Muse Spark 1.2 Contributor (meta/muse-spark-1.2-contributor) is a chat model from openrouter with a 1.0M-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input audio, image, pdf, text, video; output text.

| Field | Value |
| --- | --- |
| Vendor | openrouter |
| Kind | CHAT |
| Context window | 1,048,576 tokens |
| Max output tokens | 943,718 tokens |
| Indicative price (US list) | $0.1 in / $0.2 out per 1M tokens (indicative US list — verify with vendor) |
| Input modalities | audio, image, pdf, text, video |
| Output modalities | text |
| Capabilities | tools, vision, reasoning |
| Weights | Proprietary (API-only) |
| Release date | 2026-08-21 |
| Sources | committed, models-dev, openrouter-api |
| Last verified | 2026-11-05 |

*Part of the [Model Catalog](https://models.viglet.org/) — [openrouter models](https://models.viglet.org/models/openrouter/) · [Vendor JSON](https://models.viglet.org/by-vendor/openrouter.json) · [HTML](https://models.viglet.org/models/openrouter/meta-muse-spark-1.2-contributor.html)*