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What is Layercode?

Layercode is a cloud-oriented platform tailored for developers, streamlining the process of building production-ready voice AI agents with low latency by handling real-time infrastructure, thereby enabling developers to focus on the intricacies of their agents' logic; it manages aspects such as WebSockets, voice activity detection, global edge deployment, and the integration of voice models while offering comprehensive oversight of the agent’s cognitive processes, speech patterns, and interactions. This platform ensures fluid and natural voice communication with response times under a second and conversational dynamics that mimic human interactions, in addition to providing tools for tracking a variety of performance metrics like call quality, latency levels, and production errors. Layercode boasts effortless compatibility with modern TypeScript and Next.js frameworks, featuring intuitive CLI and SDK tools that facilitate straightforward text communication. Furthermore, it allows developers to avoid vendor lock-in by enabling seamless transitions between various voice and transcription model providers, promotes full adaptability by supporting the integration of custom AI agent backends, and accommodates deployment across multiple platforms including web, mobile, and telephony systems. Ultimately, Layercode significantly boosts both the flexibility and efficiency of creating advanced voice-driven applications, paving the way for innovative solutions in the voice technology landscape. With its robust capabilities, Layercode stands as a vital resource for developers seeking to elevate their voice AI projects.

What is 21st?

21st is a developer-focused platform designed to simplify the creation and deployment of AI agents within modern software applications. The platform provides an SDK that allows developers to define agents using simple code while integrating tools, prompts, and AI models. It supports multiple development environments and frameworks including Next.js, React, TypeScript, Python, Node.js, and other common programming stacks. Developers can configure agents to run on advanced runtimes such as Claude Code or Codex, enabling tool usage, file access, and intelligent task execution. Once the agent configuration is defined, deployment can be completed using a single command that automatically sets up infrastructure. The platform manages backend systems such as sandboxed execution environments, authentication, rate limits, and streaming responses. It also includes a drop-in chat interface component that developers can embed directly into their applications to enable user interaction with agents. Real-time token streaming allows users to see responses generated progressively, creating a more interactive experience. The platform provides built-in observability tools that allow developers to monitor conversations, replay sessions, and trace agent actions. These features make debugging and optimization much easier during development and production. 21st also includes usage controls such as per-user spending limits, quotas, and metering to help manage AI costs. By combining powerful developer tools with managed infrastructure and deployment capabilities, 21st makes it easier for teams to build and scale AI-powered agents within their products.

Media

Media

Integrations Supported

React
Cartesia Sonic
Claude
CrewAI
ElevenLabs
Gemini
Go
JavaScript
LangChain
LlamaIndex
Next.js
OpenAI
Python
Rime
Tailwind CSS
TypeScript
shadcn/ui

Integrations Supported

React
Cartesia Sonic
Claude
CrewAI
ElevenLabs
Gemini
Go
JavaScript
LangChain
LlamaIndex
Next.js
OpenAI
Python
Rime
Tailwind CSS
TypeScript
shadcn/ui

API Availability

Has API

API Availability

Has API

Pricing Information

$0.04 per minute
Free Trial Offered?
Free Version

Pricing Information

Free
Free Trial Offered?
Free Version

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

Layercode

Company Location

United Kingdom

Company Website

layercode.com

Company Facts

Organization Name

21st.dev

Company Website

21st.dev/

Categories and Features

Categories and Features

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