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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

Relace provides a comprehensive collection of AI models specifically designed to enhance coding processes. These include models for retrieval, embedding, code reranking, and the innovative “Instant Apply,” all aimed at seamlessly fitting into current development frameworks and significantly boosting code generation efficiency, achieving integration speeds exceeding 2,500 tokens per second while accommodating extensive codebases of up to a million lines in less than two seconds. The platform facilitates both hosted API access and options for self-hosted or VPC-isolated setups, ensuring that teams retain complete oversight of their data and infrastructure. Its specialized embedding and reranking models effectively pinpoint the most pertinent files related to a developer's query, eliminating irrelevant information to minimize prompt bloat and enhance precision. Additionally, the Instant Apply model efficiently incorporates AI-generated code snippets into existing codebases with a high degree of reliability and a minimal error rate, thus simplifying pull-request evaluations, continuous integration and delivery (CI/CD) processes, and automated corrections. This creates an environment where developers can focus more on innovation rather than getting bogged down by tedious tasks.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

C# Yes 
CSS Yes 
Claude Code Yes 
Facebook Messenger Yes 
Gray Swan Yes 
Hermes Agent Yes 
Java Yes 
JavaScript Yes 
Kubernetes Yes 
LangChain Yes 
LlamaIndex Yes 
Muse Code Yes 
Muse Spark Yes 
Muse Video Yes 
OpenAI Agents SDK Yes 
OpenAI Codex Yes 
OpenClaw Yes 
R Yes 
Scala Yes 
XML Yes 

Integrations

C# No 
CSS No 
Claude Code No 
Facebook Messenger No 
Gray Swan No 
Hermes Agent No 
Java No 
JavaScript No 
Kubernetes No 
LangChain No 
LlamaIndex No 
Muse Code No 
Muse Spark No 
Muse Video No 
OpenAI Agents SDK No 
OpenAI Codex No 
OpenClaw No 
R No 
Scala No 
XML 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

$0.80 per million tokens
Free Trial No 
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) Yes 
In Person No 

Vendor Details

Company Name

Meta

Founded

2004

Country

United States

Website

meta.ai

Vendor Details

Company Name

Relace

Country

United States

Website

www.relace.ai/

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