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What is Muse?

Muse is an advanced AI tool developed by Sudowrite, a Los Angeles-based startup, specifically designed for fiction writers. Unlike more generic AI solutions, Muse focuses exclusively on the craft of narrative prose, demonstrating remarkable storytelling skills and the ability to create lengthy, captivating chapters that are both imaginative and coherent. With insights from over 20,000 writers, Muse aims to generate unique and engaging stories that avoid clichés and embrace the intricacies of human experiences, featuring complex characters, morally gray scenarios, and vivid imagery, while remaining free from constraints like mandatory happy endings. Integrated smoothly into the Sudowrite platform, Muse acts as a collaborative partner for authors, enhancing their creative process with tools for developing intriguing openings, realistic dialogue, and substantial text generation, all while preserving the writer's unique voice. This pioneering approach not only supports writers in their creative endeavors but also encourages them to push the boundaries of traditional storytelling, ultimately transforming the modern fiction landscape. By fostering innovation and creativity, Muse serves as a catalyst for writers seeking to redefine their narrative styles and explore uncharted territories in their storytelling journeys.

What is Muse Spark 1.2?

Muse Spark 1.2 is a coding-focused AI model from Meta designed to support advanced software engineering tasks through Muse Code and the Meta Model API. The model builds on Muse Spark 1.1 with improvements in code generation, complex debugging, codebase understanding, and end-to-end developer workflows. Muse Spark 1.2 powers Muse Code, a terminal coding agent that can plan repository changes, write code, validate outputs, and work across large codebases. Muse Code uses persistent async background agents that stay active throughout a session to reduce redundant information gathering and support difficult multi-step work. The runtime uses a local event log where model calls, tool runs, approvals, and edits are appended, making sessions replay-exact and restart-safe. Muse Spark 1.2 was co-trained with Muse Code so the model can take advantage of its toolset, harness workflows, goals, compaction, and subagent architecture. Meta significantly scaled training compute on coding tasks and expanded training environment diversity to improve the model’s engineering capabilities. The model was also trained on long-horizon coding tasks, including whole-repository generation, large end-to-end projects, auto-research, and extended iterative work. Its training approach uses planning, goal conditioning, context compaction, rejection-sampled harness trajectories, and self-improvement data generated with Muse Spark 1.1. Meta also tested Muse Spark 1.2 on long-running GPU kernel optimization workflows where the model wrote, compiled, profiled, and improved Triton kernels over many tool calls. By combining coding-focused training, agentic runtime integration, persistent subagents, long-horizon reasoning, replay-safe execution, and API availability, Muse Spark 1.2 helps developers and AI agents complete complex software engineering work with less intervention.

Media

Media

Integrations Supported

C
Cheaper Inference
Claude Agent SDK
Continue
GPT-5.5 Pro
HTML
Hermes Agent
Instagram
LlamaIndex
Meta AI
Muse Code
Muse Image
OpenAI Agents SDK
OpenAI Codex
OpenClaw
PowerShell
Sudowrite
WhatsApp
XML
YAML

Integrations Supported

C
Cheaper Inference
Claude Agent SDK
Continue
GPT-5.5 Pro
HTML
Hermes Agent
Instagram
LlamaIndex
Meta AI
Muse Code
Muse Image
OpenAI Agents SDK
OpenAI Codex
OpenClaw
PowerShell
Sudowrite
WhatsApp
XML
YAML

API Availability

Has API

API Availability

Has API

Pricing Information

Pricing not provided
Free Version
Free Trial Offered?

Pricing Information

$1.25 per 1M tokens (input)
$1.25 per million tokens in input, and $4.25 per million tokens of output
Free Version
Free Trial Offered?

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Chromebook
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Company Facts

Organization Name

Sudowrite

Date Founded

2020

Company Website

sudowrite.com/muse

Company Facts

Organization Name

Meta

Date Founded

2004

Company Location

United States

Company Website

meta.ai

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