A perfect voice in the demo does not answer your phones.
smallest.ai gives you a fast, natural voice model behind an API. We take that quality and wire it into a live agent that answers calls, runs the conversation, writes every detail to your CRM, and follows up on its own. You get a working system, not a TTS integration project sitting half-finished on a branch.
End to end
Telephony through follow-up
Best-fit
Voice engine per use case
In your CRM
Every call logged and actioned
How we take you from a voice model to booked appointments.
Telephony connected
Numbers, SIP, call routing live
Conversation logic
Intents, objections, guardrails scripted
Voice engine matched
Best-fit model per use case
CRM write-back
Every call logged where you work
Follow-up fires
Texts and callbacks sent automatically
The Problem
The voice was never the hard part
You have a great-sounding sample from the sandbox, but the phone number, the call routing, and the barge-in handling are still yours to figure out.
The model returns audio. It does not know your booking rules, your objection handling, or what counts as a qualified lead.
When the call ends, nothing lands in your CRM and no follow-up goes out, so the conversation evaporates the moment the caller hangs up.
What you actually ship on day one
Agentic AI Labs
What You've Already Tried
What "just use the API" actually looks like
You start with a clean sandbox call, then spend the next month on telephony plumbing, retries, and edge cases nobody warned you about.
Your team becomes the maintenance crew for a system that has to stay up while real customers are calling.
Every new use case (booking, qualifying, rescheduling) means another round of prompt and integration work before it earns anything.
Time to a live agent that books and logs calls
The gap teams hit with voice is the last mile, not the model
Last mile
Where voice projects stall
Voice model quality has become good enough that the demo rarely fails. Where projects stall is everything after the audio: connecting real phone numbers, handling interruptions, deciding what a good outcome is, and getting the result into the CRM before the caller forgets they called. That work does not show up in a sandbox test, so it gets scoped last and shipped late.
Agentic AI Labs field notes ยท 2026
What We Build
We build the whole agent, not the audio call
Voice layer
We pick the voice engine that fits your call type, language mix, and latency needs. smallest.ai can be that engine when it is the right call. You get the quality without betting the whole system on a single API.
Conversation layer
The agent runs your actual workflow: it qualifies, books, reschedules, and hands off cleanly. Guardrails keep it on-script, and it knows when to stop talking and let a human take over.
Reliability layer
We spec the conversation logic and integrations with build tools like Claude Opus 4.8 and GPT Codex, then test against messy real calls before launch, so the agent holds up when a customer talks over it or goes off-script.
What it looks like
Inside the build: the real tools behind A smallest.ai alternative for teams that need a working system
AI voice agents handle live calls, qualify leads, and book appointments for you.
A production voice agent handling a live call end to end.
Results
Why teams hand this to us instead of building it
End to end
Telephony through follow-up
You get a full working agent, from the phone ringing to the CRM record, not a code sample you still have to productionize.
Best-fit
Voice engine per use case
We stay engine-agnostic, so the voice model is a choice we make for your use case rather than a constraint you inherit.
In your CRM
Every call logged and actioned
Every call ends in your system with a follow-up already moving, so leads do not slip through the gap after the conversation.
FAQ
Questions we get asked.
End to end
What we hand you
Stop losing revenue to
an unanswered phone.
Tell us the calls you want handled. We will map the agent end to end, from the phone ringing to the CRM record and the follow-up.
Or email aditya@tryagentikai.com