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Average Ratings 0 Ratings

Total
ease
features
design
support

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Write a Review

Description

21st is a development platform designed to help engineers quickly build and deploy AI agents inside their applications. The platform provides a specialized SDK that simplifies the process of defining agent behavior, integrating tools, and connecting AI models. Developers can create agents using familiar technologies such as Next.js, React, TypeScript, Python, and Node.js, making integration straightforward for modern applications. Once an agent is defined, the platform allows it to be deployed with a single command while automatically handling infrastructure requirements. 21st provides sandboxed execution environments through E2B sessions, ensuring that agent operations run securely and independently. The platform includes a ready-to-use chat interface component that can be embedded directly into an app for user interaction. Additional features include token streaming, conversation history, tool execution, and built-in observability for debugging and monitoring. Developers can replay sessions and trace tool calls to better understand how agents behave during execution. The system also supports spend limits, authentication controls, and rate limiting to manage AI usage across users. By combining development tools with managed infrastructure, 21st helps teams launch scalable AI agents without building complex backend systems.

Description

Layercode is a cloud-based platform designed for developers that simplifies the creation of production-ready, low-latency voice AI agents by managing the real-time infrastructure, allowing developers to concentrate on the logic of their agents; it takes care of WebSockets, voice activity detection, global edge deployment, and voice model integrations while providing comprehensive control over the agent’s thinking, speech, and responses. This platform facilitates seamless and natural voice interactions with sub-second response times and human-like conversational turn-taking, while also offering tools for monitoring various metrics such as call performance, latency, and production failures. Layercode integrates effortlessly with contemporary TypeScript and Next.js frameworks, supported by user-friendly CLI and SDK tools for easy text communication. Additionally, it empowers developers to bypass vendor lock-in through the ability to easily switch between different voice and transcription model providers, ensures complete adaptability by allowing integration of custom AI agent backends, and supports deployment across various platforms, including web, mobile, and telephony interfaces. Overall, Layercode enhances flexibility and efficiency in developing sophisticated voice-driven applications.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

React Yes 
Cartesia Sonic No 
Claude No 
CrewAI No 
ElevenLabs No 
Gemini No 
Go No 
JavaScript No 
LangChain No 
LlamaIndex No 
Next.js No 
OpenAI No 
Python No 
Rime No 
Tailwind CSS Yes 
TypeScript No 
shadcn/ui Yes 

Integrations

React Yes 
Cartesia Sonic Yes 
Claude Yes 
CrewAI Yes 
ElevenLabs Yes 
Gemini Yes 
Go Yes 
JavaScript Yes 
LangChain Yes 
LlamaIndex Yes 
Next.js Yes 
OpenAI Yes 
Python Yes 
Rime Yes 
Tailwind CSS No 
TypeScript Yes 
shadcn/ui No 

Pricing Details

Free
Free Trial No 
Free Version Yes 

Pricing Details

$0.04 per minute
Free Trial No 
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 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

21st.dev

Website

21st.dev/

Vendor Details

Company Name

Layercode

Country

United Kingdom

Website

layercode.com

Product Features

Product Features

Alternatives

Alternatives