Products

AI Voice Agent Platform

Build LLM-powered AI Voice Agents

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MRCP ASR

ASR for VoiceXML IVR Platforms

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Developers

APIs, SDKs, Docs & Pricing

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By Industry

Healthcare Payers

Help

Documentation

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Implementation guides

Status Page

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System health & uptime

Support

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Get help from the team

Integrations

Built to fit your stack.

The Platform is API-first — bring the models and telephony you already run, and Voicegain handles the voice layer in between.

Bring your LLM + Guardrails

Model-agnostic by design — pair the voice layer with the LLM you trust, and swap models without rebuilding your agent.

Anthropic
OpenAI
Google Gemini
Meta Llama
Mistral
Azure OpenAI
Connect to your Telephony

Integrate with the Voice Infrastructure you already use — your SBC or CCaaS Platform.

SIP Trunking
MRCP
Twilio
Genesys
Five9
FreeSWITCH
Build into your workflow

Wire agents into your systems with developer-first APIs and real-time events for every call.

REST API
WebSockets
Webhooks
Python SDK

Build your own
AI Voice Agent

Meet the Voicegain AI Voice Agent Platform. Works with your LLM & System Prompts. We handle the Voice Infra - the SIP Stack, streaming STT and TTS models. Use as a SaaS Service. Deploy in your VPC or your datacenter.

Talk to usTry Voicegain →

Trusted by companies building amazing voice AI products

How it works

Build your Gen AI Agent. Let us handle Voice and Telephony.

Step 1

Bring your LLM & Guardrails

Your LLM-Powered Agent - Anthropic, Gemini or Open AI - controls the logic

Step 2

We add Voice to your AI Agent

Integrate with our SIP Stack. Select from the best STT and Neural TTS models. 

Step 3

Deploy anywhere

Our cloud, your VPC, or on-premises. Same code, any environment.

Use cases

Build agents for any voice workflow.

Order confirmation

Verify orders for products, services, or food delivery — and send real-time updates.

Appointment scheduling

Schedule, confirm, or reschedule bookings in a single phone interaction.

Lead capture

Collect caller details, qualify interest, and pass leads directly to your CRM or sales team.

Delivery updates

Share delivery updates, ETA changes, and alert customers to status changes or delays.

Knowledgebase FAQs

Resolve common questions instantly using synced content from your support or help desk tools.

Payment reminders

Trigger payment reminders, provide account status, and escalate unpaid cases when needed.

←→
The Shift

Buidling AI Voice Agents  made easy.

Building ON YOUR OWN

Stand up each layer of the Stack yourself

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6+ months

to ship a production-grade voice agent end-to-end

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Inhouse Staff to select & integrate 5+ Voice AI Vendors

Select STT, TTS, and Telephony Stack. Build AI Voice Agent Observability, reporting, validation etc.  

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TTFA* of 2000 ms+

Normal VAD, High latency STT, Batch TTS

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Cloud-only

your audio leaves your environment, every single call

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Vendor lock-in

swapping the LLM means rewriting agent orchestration

With Voicegain Platform

Bring your LLM. Use our Voice Platform.

✓

2 - 3 Weeks

From Spec to a Production voice agent

✓

Use the Voicegain AI Voice Agent Platform

Configure STT/TTS models, SIP Integration, Use pre-packaged observability, reporting & validation tools

✓

Sub-1000 ms TTFA

Semantic VAD, Streaming STT, Low Latency TTS, LLM

✓

Deploy anywhere

Voicegain Cloud, your VPC, on-prem, or fully air-gapped

✓

BYO LLM, swap anytime

the voice layer is decoupled from the agent's brain

Pricing

Predictable, usage-based pricing.

Per-minute billing. BYO LLM — tokens billed separately by your provider.

Standard

$0.04/min

  • Std Neural TTS Voices (Google Chirp3 HD, )
  • Choice of Streaming STT models
  • Voicegain Telephony (SIP + PSTN)
  • Connect to your LLM framework

Premium

$0.06/min

  • Premium Neural TTS Voices (Eleven Labs)
  • Choice of Streaming STT models
  • Voicegain Telephony (SIP + PSTN)
  • Connect to your LLM framework

Ready to build with Voicegain?

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FAQ

Common questions about the AI Voice Agent Platform

Have more questions?

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What LLMs does the Platform support?

Can I deploy the Platform in my own infrastructure?

How long does it take to build a voice agent?

Does the Platform integrate with my existing telephony?

Can I buy phone number directly from Voicegain?

Trust & compliance

The certifications your procurement team will want.

HIPAA

Full compliance with healthcare regulations.

SOC 2 Type 2

Audit complete on all 5 criteria of SOC 2.

PCI DSS

Complies with Level-2 v4.0 PCI guidelines.

E2E-Encryption

Secure solutions from call start to finish.

Customer stories

In their words.

"Our call center agents are the first point of contact for some of the most vulnerable Medicaid populations. Realtime guidance from Voicegain Casey means faster, more accurate answers for our most vulnerable members."

Sean Schreiber
EVP, Chief Innovation & Strategy Officer
Alliance Health Plan

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Routine provider calls were overwhelming our call center staff. We launched Voicegain Casey and today we automate 40% of our Claims ane Eligibility calls. This has freed up our Agents to truly engage with Members and increase our NPS.

Kirti Mutatkar
CEO
UnitedAg

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Voice AI under
Your Control

Talk to usTry Voicegain →