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Description

Muse Spark 1.2 is Meta’s newest coding-focused model, released alongside Muse Code as part of Meta’s AI developer platform. The model improves on Muse Spark 1.1 with stronger code generation, complex debugging, codebase understanding, and full developer workflow performance. Muse Spark 1.2 powers Muse Code, a terminal coding agent that can plan changes, write code, validate results, and coordinate persistent background subagents. The model was co-trained with Muse Code so it performs well inside the agentic coding runtime and tool environment. Its training included scaled coding compute, broader training environment diversity, rejection-sampled harness trajectories, recipe optimizations, and Muse Code toolset integration. Muse Spark 1.2 is designed for long-horizon coding tasks such as whole-repository generation, large end-to-end projects, auto-research, and extended optimization work. It uses planning to sequence work, goal conditioning to stay aligned with the user’s objective, and context compaction to preserve useful knowledge over long sessions. The model also benefits from a self-improvement loop where Muse Spark 1.1 generated challenging coding environments and instruction-following templates for training. By combining coding specialization, agentic workflow support, long-horizon training, subagent compatibility, and Meta Model API availability, Muse Spark 1.2 helps developers build, debug, and optimize software more effectively.

Description

Muse is a cutting-edge AI tool created by Sudowrite, a startup based in Los Angeles, and is tailored specifically for writers of fiction. In contrast to more generalized AI systems, Muse is dedicated solely to the art of narrative prose, showcasing sophisticated storytelling abilities and the capacity to produce extensive, engaging chapters that are both creative and coherent. Drawing from the expertise of over 20,000 writers, Muse aspires to deliver original and compelling narratives that steer clear of clichés, fully embracing the complexities of human experiences, including multifaceted characters, morally ambiguous situations, and rich imagery, all without imposing any restrictions or obligatory happy endings. Seamlessly integrated into the Sudowrite platform, it functions as a collaborative ally for authors, bolstering their creative journey with tools for crafting captivating openings, authentic dialogue, and significant text generation, while ensuring the distinct voice of the writer remains intact. This innovative approach empowers writers to explore new storytelling horizons, ultimately enriching the landscape of modern fiction.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

C Yes 
C# Yes 
CSS Yes 
Claude Agent SDK Yes 
Facebook Yes 
Facebook Messenger Yes 
Gray Swan Yes 
Kotlin Yes 
Kubernetes Yes 
LangChain Yes 
LlamaIndex Yes 
Meta Model API Yes 
Muse Spark Yes 
Muse Video Yes 
Odysseus Yes 
OpenAI Agents SDK Yes 
OpenClaw Yes 
SQL Yes 
Sudowrite No 
Vercel AI SDK Yes 

Integrations

C No 
C# No 
CSS No 
Claude Agent SDK No 
Facebook No 
Facebook Messenger No 
Gray Swan No 
Kotlin No 
Kubernetes No 
LangChain No 
LlamaIndex No 
Meta Model API No 
Muse Spark No 
Muse Video No 
Odysseus No 
OpenAI Agents SDK No 
OpenClaw No 
SQL No 
Sudowrite Yes 
Vercel AI SDK No 

Pricing Details

$1.25 per 1M tokens (input)
$1.25 per million tokens in input, and $4.25 per million tokens of output
Free Trial Yes 
Free Version No 

Pricing Details

No price information available.
Free Trial Yes 
Free Version No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Meta

Founded

2004

Country

United States

Website

meta.ai

Vendor Details

Company Name

Sudowrite

Founded

2020

Website

sudowrite.com/muse

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