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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

Muses serves as an advanced writing assistant powered by artificial intelligence, designed to streamline the content creation process by offering professional-level support without the need for installations or extensive learning. It enables users to effortlessly transition between various top-tier AI models, catering to diverse creative preferences and requirements. The innovative "Tab to Flow" feature remains unobtrusive until activated, delivering intelligent completions that help sustain writing flow, while "Spark to Story" transforms fleeting notes or bursts of inspiration into comprehensive narratives. Users can easily upload reference materials, allowing the AI to generate content that is well-informed and backed by their research, with all produced text undergoing automatic verification for factual accuracy to enhance trustworthiness. Additionally, Muses aggregates pertinent information from across the internet, gathering resources that enrich articles, blog entries, promotional content, and extensive writing projects. Designed to foster creativity with ease, it merges cutting-edge AI technology, real-time support, and rigorous validation, ensuring a seamless writing experience that empowers users to elevate their work effortlessly. The platform's user-friendly nature encourages writers of all levels to explore their creativity without the barriers typically associated with writing tools.

API Access

Has API

API Access

Has API

Screenshots View All

Screenshots View All

Integrations

.NET
Claude Code
Claude Opus 4.1
Claude Opus 4.5
Claude Opus 4.8
Facebook
Facebook Messenger
GPT-5
LangChain
Lua
Meta AI
Model Context Protocol (MCP)
Muse Spark
OpenAI Agents SDK
OpenAI Codex
R
Ruby
Solidity
Swift
YAML

Integrations

.NET
Claude Code
Claude Opus 4.1
Claude Opus 4.5
Claude Opus 4.8
Facebook
Facebook Messenger
GPT-5
LangChain
Lua
Meta AI
Model Context Protocol (MCP)
Muse Spark
OpenAI Agents SDK
OpenAI Codex
R
Ruby
Solidity
Swift
YAML

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
Free Version

Pricing Details

Free
Free Trial
Free Version

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Deployment

Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Customer Support

Business Hours
Live Rep (24/7)
Online Support

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Types of Training

Training Docs
Webinars
Live Training (Online)
In Person

Vendor Details

Company Name

Meta

Founded

2004

Country

United States

Website

meta.ai

Vendor Details

Company Name

Muses

Country

United States

Website

www.muses.my/

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