What’s an AI voice agent?
An AI voice agent can hold a natural phone conversation, answer questions and complete tasks such as booking, qualification, system updates or human handoff.
New to the architecture?
Build each layer with a clear implementation path
Move from the visual workflow to the exact documentation for creation, knowledge, campaigns, telephony, and actions.
Agent creation
Create agents from scratch or start with proven templates designed for real-world workflows and rapid deployment.
Knowledge base
Upload your docs, FAQs, product specs, and legal files so your agent can answer from grounded knowledge.
Campaign creation
Run scheduled and high-volume outbound workflows from the same agent platform.
Phone numbers and SIP
Bring voice agents to real phone calls using Smallest-managed numbers or your telephony setup.
Custom integration
Let agents take action in your existing stack instead of only answering questions.
Calls. Campaigns. Agents
All in one platform.
From telephony to analytics-every capability your agent needs to launch, iterate, and scale.
Agent Creation
Create agents from scratch or start with proven templates designed for real-world workflows and rapid deployment.

Knowledge Base
Upload your docs, FAQs, product specs, & legal files & your agent responds with accurate, grounded answers always.

Best in class models across the board.
Built using our production-grade audio models that set the industry standard.
Lightning
Text to speech
Blazing‑fast text‑to‑speech for real‑time voice agents. 100 ms latency across 15+ languages.

Pulse
Speech to text
The most accurate transcription in 38 languages with emotion and speaker detection.
Electron
Small language model
A sub-3B language model that outperforms GPT- 4.1.

Hydra
Speech to Speech
One of the first native speech-to-speech model - built for production.

Design, test, and deploy real-time voice agents without the complexity of traditional setup, infrastructure, or engineering overhead.
Campaign Creation
Run outbound campaigns at scale your agent handles every call, you track the results.
Rent and deploy a number
Pick a number from our inventory or connect the one you already own.

No-code when you want it. APIs when you need them.
Launch through the visual builder or use documented APIs to create custom workflows and add voice to an existing product.
Ready to go from page to working agent? Start with the Voice agent developer quickstart
Follow the product or solution path that matches what you need to put into production.
Frequently
asked questions
How quickly can I launch?
Does it support inbound and outbound calls?
Can the agent use business data?
Can it transfer calls to a person?
Can I change an agent after launch?
Explore the AI voice agent category
Use this page as the starting point, then follow the path that matches your industry, architecture, or production question.
Industry and rollout paths
Move from the platform into a more specific operating context.
Architecture and building
Move from the platform into a more specific operating context.
Industry and rollout paths
Move from the platform into a more specific operating context.

















