# Smallest.ai — AI Compare Ninja

> Voice AI platform offering low-latency (sub-100ms) text-to-speech, speech-to-text, and voice agents for enterprises.

## Overview
- **Category:** Audio & Voice (Voice & speech)
- **Status:** Active · checked - Active.
- **Paid from:** contact sales / Contract (Enterprise)
- **Free access:** Free plan
- **Website:** https://smallest.ai/
- **Canonical URL:** https://www.aicompare.ninja/en/tool/smallest-ai

## What it does
- Text-to-speech API with latency below 100 milliseconds for real-time voice applications
- Speech-to-text transcription for conversations and recordings
- Post-hoc voice, tempo, and speaker change via API
- Over 50 voices available in multiple languages
- Usage-based billing without a minimum fee; pay-as-you-go from first use
- Developer API with webhook and WebSocket streaming for live applications

## In brief
Smallest AI is a voice API platform that provides text-to-speech (below 100 ms latency), speech-to-text, and post-hoc voice modification via API, specifically designed for developers of real-time voice applications such as conversational AI, call-centre automation, and live translation.

Billing is fully usage-based without a minimum fee; developers can work via WebSocket streaming live or asynchronously via webhook and choose from over 50 voices in multiple languages.


## Limits
No subscription required; pay-as-you-go with starter credit, then usage-based billing plus add-on costs (phone numbers, knowledge base, SMS, HIPAA add-on $1,000/month). Enterprise pricing on request.

## Pricing tiers
| Tier | Price | Period | What you get |
| --- | --- | --- | --- |
| Pay As You Go | 10 $ starting credit, then 0,09-0.21 $ per minute für Voice Agents plus 0.01 $ per minute Hosting | Usage | Unlimited agents, 20 concurrent calls included |
| Enterprise | contact sales | Contract | 99.99% SLA, on-premise, SSO, SOC2/HIPAA |

## Sources
All details regarding plans, limits, and features are based on official vendor documentation and the primary sources verified below.

- https://smallest.ai/
- https://smallest.ai/pricing

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*Source: AI Compare Ninja (2026) - https://www.aicompare.ninja/en/tool/smallest-ai*