Muse Spark 1.2

Name: Muse Spark 1.2
Author: Meta

Timeline

2026-08-05 · API availability · evidence link
2026-08-20 · API availability · evidence link

Related signals: Muse Spark 1.3

evidence link

2026-11-13T19:38:16.656Z · Evidence links · Meta · Research articles
Excerpt
Muse Spark 1.2 is available in Meta Model API and Muse Code
2026-11-13T19:38:16.656Z · Confirmed use · Meta · Research articles · Introducing Muse Code and Muse Spark 1.2
2026-11-13T19:38:16.656Z · Evidence links · Meta · Research articles
Excerpt
Muse Spark 1.2 is available today in Muse Code and in Meta Model API with expanded global access
2026-08-20T11:57:14.192Z · Alex's posts · Alex Getman
Excerpt
⚡️ 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.
2026-08-14T05:00:00.000Z · Alex's posts · Alex Getman
Excerpt
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.
2026-08-10T10:51:03.374Z · Alex's posts · Alex Getman
Excerpt
⚡️ 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.
2026-08-06T05:00:00.000Z · Alex's posts · Alex Getman
Excerpt
⚡️ 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.