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Native speech-to-speech AI in production — no transcription pipeline

Reliable voice agents, built in minutes.

Describe how your team handles the call — by voice or by hand — and get a production-ready voice agent on a real phone line in minutes, no engineers required. It runs your procedure on every call, gaslighting and prompt injection can't unlock an action you haven't authorized, and when your process changes, you update it yourself in real time.

20+
Unique tool calls in a single production call
43 min
Fastest production deployment
1,000+
Simultaneous calls the platform handles
24/7
Coverage, nights and weekends included

Trusted by the teams putting voice AI to work

Anequim logo Zuma logo Sapochnick Law Firm Adventure CPG Findiy Legion Health Google DeepMind logo
Why most voice AI disappoints

It was never built to listen.

Almost all "production" voice AI is three or four models bolted together. Your caller's voice is flattened into text before the AI ever processes it — and everything human is lost on the way in.

Step 1 · Speech → Text

Tone is deleted

Emotion, urgency, hesitation and accent are stripped away the instant audio becomes a transcript.

Step 2 · The LLM

It reads, it doesn't hear

The model works from a flat transcript with no idea how anything was said — only what was typed.

Step 3 · Text → Speech

A robot reads aloud

The reply is narrated back with no real voice behind it. Impressive in a demo, hollow on a real call.

~5 seconds of latency Breaks in noisy environments No native multilingual support Forgets its instructions mid-call No way to enforce the workflow

The result is a chatbot with a voice, not a conversation — and it falls apart the moment you ask it to do anything real. Newer end-to-end models fix the sound, but on their own they're far too unstable to trust with an enterprise workflow. That instability is the problem everyone is stuck on. It's the problem we solved.

How Kindred works

Built for companies that can't wait quarters to go live.

Kindred gets your agents into production in days, not quarters — then keeps you moving after launch, with workflows your own team can reshape in real time as the business changes.

Pillar 01

Rapid Onboarding

Live in days, not months

We map your existing workflow, build your agent, and deploy it to production in as little as 43 minutes once scoped. No prompt engineering required from your team. No lengthy IT procurement. We handle the integration, the voice tuning, and the compliance guardrails — you just show up on day one to a working product.

Pillar 02

Rapid Change Management

Update agents in real time

When your process changes, your agent changes with it — the same day. Workflows are graph-based and edited through a drag-and-drop UI, so your own non-technical staff push tweaks and hotfixes in real time. No tickets, no redeploys, no waiting on an engineering sprint — the agent keeps pace with your business instead of falling behind it.

“Without an intermediate text layer, it’s difficult to insert guardrails or validation steps.”
— Decagon, Oct 2025, on why the industry still can’t trust speech-to-speech.
vs
20+
unique tool calls Kindred has handled in a single production call — running every day.
Gaslighting and prompt injection can't unlock unauthorized actions Reads back sensitive details before committing them Same procedure every call, natural words

Model-agnostic by design. You're never betting on one lab.

"We don't get better when one lab gets better. We get better when the whole field does."

Runs Google Gemini, xAI Grok, OpenAI and Amazon Nova Sonic — which model answers your calls is a setting, not a migration.

Why teams choose Kindred

Faster to launch. Cheaper to run. Safe to trust.

Time to market

Describe how your team handles the call and we build it — or build it yourself, by voice or by hand. Skip the months of prompt engineering.
  • Zero prompt engineering required
  • Drag-and-drop, graph-based workflows
  • Hotfixes and changes in real time
  • Non-engineers can edit it themselves

Return on investment

Outcome-based pricing, so what you spend tracks what actually gets resolved.
  • Calls handed to a person aren't billed
  • You pay per resolved call — not per minute
  • Natively multilingual, no add-ons

Risk-managed deployment

The procedure is deterministic by construction — the words stay natural — so you can roll out in phases and test any piece, anytime.
  • Procedure enforced in code, not in the prompt
  • Phased roll-out and component testing
  • Every call logged for easy auditing
  • Connects to your phone system & CRM
Proof, not promises

Live in production. Already earning its keep.

Not a pilot waiting to happen — real workflows, real callers, handled every day across multiple industries.

You aren't missing best practices. You are currently defining them.
John Alioto
John AliotoGlobal Founder Advocate, Google Cloud
5 min
Sign-up to working agent

A partner’s customer

From a blank workflow to a working agent in five minutes — one of the fastest setups we’ve measured, done end to end by the customer themselves, with no help from us.

43 min
From scratch to live

A national immigration law firm

Built and deployed in 43 minutes flat. Kindred now handles every after-hours client intake call — escalating true emergencies and queuing attorney to-dos for the morning. Expanding firm-wide.

1 hour
Built by a non-engineer

Multilingual compliance agent

A non-technical operator built a Mandarin-speaking regulatory survey agent in about an hour, entirely through the UI — no engineering help. Proof that complex, multilingual workflows don't require a dev team.

Demo at Google DeepMind, October 2026 A personal AI assistant tries everything to force a refund — our agent holds the line
Recorded live — as demoed at Google DeepMind’s Research to Reality night, October 2026.
Pricing that aligns with you

You only pay when the call gets resolved.

No per-minute meter running while nothing gets solved. We price on outcomes — which means we carry the risk, not you.

Conventional handling~$3,500/mo
Before
The same workload, on Kindred~$1,000/mo
With Kindred

Illustrative arithmetic, not a customer result: ~1,000 resolved calls a month at $1 each, against our rough estimate of ~$3,500 to handle the same volume conventionally. Your numbers will differ.

  • $
    $1–$5 per resolved call, scaled to the complexity of the task — predictable, and tied directly to value delivered.
  • 0
    Pay nothing if we don't resolve it. Our incentives are bolted to your outcomes.
  • 🌐
    In your callers' language — natively, with no per-language add-ons.
Live now
Or start self-serve. Build your own agent by voice or by hand at app.kindredvoice.ai.
Free
$0

Build an agent and talk to it in your browser.

Starter
$20/mo

Put your agent on its own phone number.

Pro
$100/mo

More workflows and more volume for growing teams.

FAQ

The questions enterprise buyers actually ask.

How do you handle workflows that break most voice AI?+

RMS — Realtime Multimodal Stabilization, with a provisional patent filed — turns your workflow into a deterministic structure that sits above the model. The AI branches through 20+ sequential tool calls in a single conversation — CRM lookups, transfers, follow-ups — without losing the thread, and it runs that way in production every day.

How is this different from the voice AI I've already tried?+

Almost everyone runs a cascaded pipeline: speech-to-text, then an LLM, then text-to-speech. That flattens tone, adds seconds of latency, and breaks on anything complex. Kindred processes voice end-to-end — no transcription layer — and stabilizes it with RMS. Different architecture, different result.

Can a caller talk it into doing something it shouldn't?+

Think of an elevator interlock: the doors physically cannot open between floors, no matter what buttons anyone presses. Kindred works the same way — your workflow defines which actions are unlocked at each step, and an action your process hasn't authorized simply never runs, no matter what a caller says. That enforcement lives in code, outside the prompt. And we're precise about the guarantee: it covers actions, not words — the same procedure on every call, in natural words the agent chooses itself. Handing the call to a person and ending the call are never locked, by design.

How fast can we actually go live?+

Days, not months. You describe how your team handles the call — in a chat window, or out loud to our builder over the phone — and we build the agent for you. Or build it yourself, by voice or by hand, then tweak the workflow until it matches your process exactly. Our fastest production deployment from scratch was 43 minutes. No front-loaded prompt engineering, no FDE army.

Do we need engineers to run or change it?+

No. Workflows are graph-based and editable through a drag-and-drop UI — non-technical staff make changes and hotfixes in real time. One customer's non-engineer built a Mandarin compliance agent in about an hour with no help from us.

How does pricing work?+

Outcome-based: roughly $1–$5 per resolved call depending on the complexity of the task, and you pay nothing for calls we don't resolve. We'll compare that with your current cost per call, on your own volume, before you commit.

Can I try it myself?+

Yes — sign up free at app.kindredvoice.ai and build your own agent by voice or by hand; paid plans start at $20/month. Want to poke around first? You can try it with no account at try.kindredvoice.ai. Enterprise deployments stay white-glove: we build it for you.

Will it connect to our phone system and CRM?+

In most cases, yes. Kindred works with your existing phone system and connects to your CRM and other systems through their APIs. We build those connections for you as part of onboarding: someone on our team reads your system's API documentation and wires it up, scoped with you up front. Older systems without a usable API need a connector built first. Works across voice, SMS/MMS, and email.

Try it yourself

Your first agent is minutes away.

Sign up free and put a production-ready agent on a real phone line in minutes — no sales call, no engineers required. Want to poke around first? Try it in your browser with no account.