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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

NarrativAI is designed specifically for writers who create original characters, expansive universes, and large ensembles that can be challenging to manage mentally. It stands out from typical AI writing tools for two main reasons. First, the OC Vault serves as a continuity engine that automatically develops as you write, analyzing your drafts to extract key details about your characters, setting, and timeline without requiring you to keep a separate record. This system ensures that any contradictions in your writing are flagged before they can escalate throughout your narrative. Second, Muse, the collaborative writing partner, remains transparent in its operation, always indicating whether it is in Listening, Suggesting, or Drafting mode, so you can understand its influence on your fictional world and the reasoning behind any changes. Additionally, two new modes, Safety Checking and Resting, will be introduced as the product evolves. At present, we are excited to present a special Founding Member offer to the first 100 individuals who sign up, which includes lifetime Premium access, a package of 50,000 credits, an exclusive permanent badge, and a guaranteed locked-in rate for the future. This is a fantastic opportunity for aspiring writers to enhance their creative process.

API Access

Has API Yes 

API Access

Has API No 

Screenshots View All

Screenshots View All

No images available

Integrations

Bash Yes 
C# Yes 
CSS Yes 
Claude Agent SDK Yes 
Claude Code Yes 
HTML Yes 
Java Yes 
Kubernetes Yes 
LlamaIndex Yes 
Meta AI Yes 
Model Context Protocol (MCP) Yes 
Muse Code Yes 
Muse Spark Yes 
Objective-C Yes 
OpenAI Codex Yes 
OpenClaw Yes 
Rust Yes 
Swift Yes 
XML Yes 
YAML Yes 

Integrations

Bash No 
C# No 
CSS No 
Claude Agent SDK No 
Claude Code No 
HTML No 
Java No 
Kubernetes No 
LlamaIndex No 
Meta AI No 
Model Context Protocol (MCP) No 
Muse Code No 
Muse Spark No 
Objective-C No 
OpenAI Codex No 
OpenClaw No 
Rust No 
Swift No 
XML No 
YAML 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 Yes 

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 Yes 
Live Rep (24/7) Yes 
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

OperaHouse Ventures

Founded

2026

Country

United States

Website

narrativai.cc/

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