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October 9, 2025
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Layercode

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Inputs:
APIAudio
Outputs:
AudioAPI
Build low-latency voice AI agents effortlessly.
Layercode makes it easy for developers to build reliable, low-latency voice AI agents.

We provide the real‑time infrastructure required to turn any LLM or existing text-based agent into a reliable, conversational voice AI agent that speaks to users via the web, mobile, or phone.

Build reliable, low-latency voice agents that are ready for production
Our cloud platform offers everything you need to give your agent a voice: audio streaming, multilingual speech-to-text, text-to-speech in over 100 voices, and intelligent turn-taking, delivered through a simple webhook integration that works with the LLMs and agent libraries you already know and love.

Get started quickly, straight from the command line
Developers can get started with a single CLI command, connect any LLM, agent framework, or custom logic via a single webhook, and use our frontend SDKs or connect a phone number to let users speak to their agent.

Full control over your agent’s backend
Unlike WYSIWYG voice agent builders, Layercode gives developers complete control over their agent logic — without needing to wrestle with the complexity of a DIY solution: building, maintaining and managing every component of a real-time voice system.

Hot-swap leading voice model providers
By supporting different voice model providers, Layercode helps developers avoid vendor lock-in by retaining the ability to test, evaluate and swap the best voice models for their use case.

Track latency, record and replay voice sessions
Latency analytics and recordings let developers measure an agent’s latency, review any conversation and replay, review logs, or download the recording.

The first voice AI platform built for true global performance
Layercode’s cloud is powered by 330+ edge locations, helping ensure rock-solid performance and reliability for voice agents speaking to users anywhere on Earth.

True, usage-based pricing
True, usage-based pricing that only charges per-second when a user or agent is speaking — silence is always free.

By handling all of the complex, real-time audio infrastructure required to deliver reliable voice AI to production, Layercode lets developers focus on building their core application while delivering conversational voice AI experiences that feel human, scale with demand, avoid vendor lock-in, and remain affordable at scale.
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Pricing

Pricing model
Free Trial
Paid options from
$250/month
Billing frequency
Monthly
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Layercode was manually vetted by our editorial team and was first featured on October 9th 2025.

Pros and Cons

Pros

Cloud-based platform
High customization
Advanced turn-taking algorithms
Multiple language support
100+ different voices
Scalable from demo to production
Unique pricing for voice interactions
Silence does not incur costs
Switch between voice model providers
No vendor lock-in
Complete backend control
Integration capability
CLI and SDKs provided
Supports over 32 languages
Offers multiple voice options
Natural turn taking
Voiced conversation builder
Efficient session reviewing system
Latency analytics availability
Simplified billing for multiple vendors
Transparency in voice agents' conversations
Offers templates for common use-cases
Global edge voice infrastructure
Easy configuration of STT and TTS models
No noisy neighbors in sessions
Instant scalability and no cold starts
Per-call isolation
330+ independent locations
Avoids performance degradation
Frontend and backend integration
Compatible with known LLM and Agent libraries
Facilitates distributed network design
Voice agent monitoring and debugging tools
Avoids single point of failure
Audio pipelines configurability
Hot-swap voice and transcription model providers
Analytics and observability
Supports browser-based and phone agents
Sub 50ms voice data processing
Compatibility with mobile or phone
Startup program available
Audio visualization example code provided

View 37 more pros

Cons

Charges for voiced interactions
Limited to certain languages
Possible complexity for under-experienced developers
Multiple languages but limited voices
Requires knowledge of Command Line Interfaces and SDKs
Dependency on vendor product quality

View 1 more cons

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Q&A

What is Layercode primarily used for?
What customization options does Layercode offer?
How does the turn-taking algorithm on Layercode enhance conversational experience?
How does Layercode ensure smooth conversations?
What languages does Layercode support?
How many different voices does Layercode provide?
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