Muse Spark 1.3
Meta
- Context window
- 1M 1,048,576 tokens
- Max output
- 131K 131,072 tokens
- Input / Output
- image, text, video → text
Timeline
- · API availability · evidence link
- · Evidence links · Meta · Research articles
Excerpt
Muse Spark 1.3 is available today in Muse Code and in Meta Model API
- · Alex's posts · Alex Getman
Excerpt
Right now, you can test 5 models for free in Cline: Gemini 3.8 Flash MiniMax M3.1 👀 MiMo-V2.6-Flash DeepSeek V4.1 Flash Muse Spark 1.3
- · Alex's posts · Alex Getman
Excerpt
🚨 Meta released Muse Spark 1.3 • beats GPT 5.6 Sol and Opus 5 on long coding tasks • matches GPT 5.6 Sol on terminal coding • huge jump in long context, scoring 98%+ • uses around 20% fewer tool calls and 25% fewer tokens than Spark 1.2
Alex's take
Signals 1
Specifications
Muse Spark 1.3 is a model from Meta, released on 2 Sep 2026. The context window is 1,048,576 tokens. The maximum output is 131,072 tokens.
- Context window
- 1,048,576
- Max output
- 131,072
- Input
- image · text · video
- Output
- text
Questions
What is the context window of Muse Spark 1.3?
The context window is 1,048,576 tokens. The maximum output is 131,072 tokens.
When was Muse Spark 1.3 released?
On 2 Sep 2026.