Model registry / Meta / Muse / Muse Spark 1.2
Muse Spark 1.2
Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows.
Line
Muse
Weights
API only
Released
2026-08-05
Context
1.05M
Input
$1.25 / 1M
Output
$4.25 / 1M
Max output
131K
Coverage
not covered yet
Overview
Muse Spark 1.2 is a coding-focused update to Muse Spark 1.1 from Meta. It improves code generation, complex debugging, codebase understanding, and end-to-end developer workflows. It has a context window of 1,048,576 tokens and a maximum output of 131,072 tokens. It is not open weights. It supports reasoning mode and tool calling. It accepts audio, image, pdf, text, and video, and returns text. Pricing starts at $1.25 per million input tokens and $4.25 per million output tokens, with cached input at $0.15 per million tokens.
Specs
Pricing
Same headline figures as Muse Spark 1.1.
Range across the hosts that serve it: up to $1.38 per 1M input tokens.
Strengths
- Improved code generation
- Complex debugging support
- Codebase understanding
- End-to-end developer workflows
- 1M token context window and 131K output limit
Best for
- Reach for it for code generation and debugging
- Reach for it for understanding large codebases
- Reach for it for end-to-end developer workflows
- Reach for it for processing multimodal inputs in coding tasks
How to access
13 hosts serve this model at the price above · the maker's documentation
Muse: every version
The registry keeps the six most recent versions of a line. Older ones stay in the file and can be surfaced without a rebuild.
FAQ
- What is the context window?
- The context window is 1,048,576 tokens.
- Is it open weights?
- No, the weights are not open.
- What is the pricing?
- Input from $1.25 per million tokens, output from $4.25 per million tokens, cached input from $0.15 per million tokens.