# Muse Spark 1.2

Muse Spark 1.2 は Meta のAIモデルです。リリース日：2026-08-05。 コンテキストウィンドウは1,048,576 トークンです。 最大出力は131,072 トークンです。

- 開発元: Meta
- Id: muse-spark-1.2
- 報道段階: 2026-08-05T00:00:00.000Z
- リリース済み: 2026-08-05T00:00:00.000Z
- 発見: 2026-09-08T16:54:31.885Z
  - [参照リンク](https://www.designarena.ai/leaderboard/ui-components)
- 状態: リリース済み
- APIでの提供: 2026-08-05
  - [参照リンク](https://research.meta.ai/blog/introducing-muse-code-and-muse-spark-1-2)
- APIでの提供: 2026-08-20
  - [参照リンク](https://research.meta.ai/blog/multimodal-intelligence-of-muse-spark-1-2)
- 正規URL: https://alexgetman.com/ja/models/meta/muse-spark-1-2/

## よくある質問

### Muse Spark 1.2 のコンテキスト長は？

コンテキストウィンドウは1,048,576 トークンです。 最大出力は131,072 トークンです。

### Muse Spark 1.2 のリリース日は？

2026-08-05。

## 時系列

- 2026-08-06T05:00:00.000Z · [Alex Getman](https://alexgetman.com/150/meta-released-muse-code-its-own-coding-harness/)
> ⚡️ Meta released Muse Code, its own coding harness.
> 
> It runs on the new Muse Spark 1.2. Below is gameplay from a game it built.
- 2026-08-10T10:51:03.374Z · [Alex Getman](https://alexgetman.com/167/muse-spark-1-2-is-going-open-weight/)
> ⚡️ Muse Spark 1.2 is going open weight
> 
> Meta published a big post outlining its AI strategy and promised to start releasing open models again. Right after that, it released the weights for Muse Glimmer and confirmed that Muse Spark 1.2 is coming next.
- 2026-08-14T05:00:00.000Z · [Alex Getman](https://alexgetman.com/182/very-few-people-know-this-but-muse-spark-1-2-might-be-the-best-value-model-on-th/)
> Very few people know this, but Muse Spark 1.2 might be the best value model on the market right now.
> 
> Its intelligence is around GPT-5.6 Terra.
> 
> But if you use Muse Code and agree to code analysis through the Contributor tier, the price drops 10–20x.
> 
> So you basically get Terra-level intelligence at Luna-level cost.
- 2026-08-20T11:57:14.192Z · [Alex Getman](https://alexgetman.com/200/muse-spark-1-2-is-now-free-on-opencode/)
> ⚡️ Muse Spark 1.2 is now free on OpenCode
> 
> Easiest way to get started is OpenCode Desktop
> https://opencode.ai/download
> 
> Power users can grab an API key here
> https://opencode.ai/zen
> 
> - Base URL https://opencode.ai/zen/v1
> - Model muse-spark-1.2-contributor-free
> 
> Data may be used for training.
- 2026-11-13T19:38:16.656Z · [Meta · Research articles](https://research.meta.ai/blog/introducing-muse-code-and-muse-spark-1-2)
> Muse Spark 1.2 is available today in Muse Code and in Meta Model API with expanded global access
**利用を確認**
- 2026-11-13T19:38:16.656Z · [Meta · Research articles · Introducing Muse Code and Muse Spark 1.2](https://research.meta.ai/blog/introducing-muse-code-and-muse-spark-1-2)
- 2026-11-13T19:38:16.656Z · [Meta · Research articles](https://research.meta.ai/blog/multimodal-intelligence-of-muse-spark-1-2)
> Muse Spark 1.2 is available in Meta Model API and Muse Code

## 参照リンク

- [editorial](https://alexgetman.com/150/meta-released-muse-code-its-own-coding-harness/)
- [editorial](https://alexgetman.com/167/muse-spark-1-2-is-going-open-weight/)
- [editorial](https://alexgetman.com/182/very-few-people-know-this-but-muse-spark-1-2-might-be-the-best-value-model-on-th/)
- [editorial](https://alexgetman.com/200/muse-spark-1-2-is-now-free-on-opencode/)
- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [meta-model-index](https://dev.meta.ai/docs/models)
- [Arena · leaderboards](https://developer.meta.com/ai/models/muse-spark/)
- [TrueFoundry · Azure catalogue](https://github.com/truefoundry/models/blob/main/providers/azure-ai-foundry/muse-spark-1.2.yaml)
- [TrueFoundry · Azure catalogue](https://github.com/truefoundry/models/blob/main/providers/microsoft-foundry/muse-spark-1.2.yaml)
- [models.dev · catalogue](https://models.dev/#muse-spark-1-2)
- [models.dev · catalogue](https://models.dev/#muse-spark-1.2)
- [models.dev · catalogue](https://models.dev/#muse-spark-1.2-contributor-free)
- [OpenCode · discovery](https://opencode.ai/data/meta/muse-spark-1-2)
- [OpenRouter](https://openrouter.ai/meta/muse-spark-1.2)
- [meta-articles](https://research.meta.ai/blog/introducing-muse-code-and-muse-spark-1-2)
- [meta-articles](https://research.meta.ai/blog/multimodal-intelligence-of-muse-spark-1-2)
- [designarena:uicomponent](https://www.designarena.ai/leaderboard/ui-components)
- [DesignArena · website](https://www.designarena.ai/leaderboard/website)
- [DesignArena · dataviz](https://www.designarena.ai/leaderboard?category=dataviz)
- [DesignArena · gamedev](https://www.designarena.ai/leaderboard?category=gamedev)
- [DesignArena · svg](https://www.designarena.ai/leaderboard?category=svg)
- [DesignArena · uicomponent](https://www.designarena.ai/leaderboard?category=uicomponent)
- [DesignArena · website](https://www.designarena.ai/leaderboard?category=website)

## シグナル

- [DesignArena で Muse Spark 1.2 を発見](https://alexgetman.com/ja/signals/2026/09/13/story-deepseek-deepseek-v4-flash-0423-2/)
- [DesignArena で Muse Spark 1.2 を発見](https://alexgetman.com/ja/signals/2026/09/08/muse-spark-1-2/)