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Smallest.ai

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

Free accessFree plan
Paid fromEnterprise99.99% SLA, on-premise, SSO, SOC2/HIPAA

Category: Audio & Voice · Voice & speech

Features

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.

Prices and plans

TierPricePeriodWhat you get
Pay As You Go10 $ Startguthaben, danach 0,09-0,21 $ pro Minute für Voice Agents zzgl. 0,01 $ pro Minute HostingUsageUnlimited agents, 20 concurrent calls included
Enterprisecontact salesContract99.99% SLA, on-premise, SSO, SOC2/HIPAA

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.

Similar tools

From the same subcategory “Voice & speech”, continuing alphabetically from this entry.

Speechify StudioVoiceover, dubbing, and avatars with one shared credit balance.Studio StarterSuperwhisperAI-powered dictation for macOS, Windows and iOS, works offline with local Whisper models and optionally with cloud/bring-your-own AI models.ProVapiDeveloper platform for building and deploying voice AI agents (phone call bots) that handle customer calls, support, and appointment scheduling.ScaleVoice.aiTTS, voice agents, and audio tools.StarterWispr FlowSystem-wide AI dictation app that turns spoken speech into polished, ready-to-use text in any application on Mac, Windows, iOS, and Android.ProAltered AIVoice AI platform with speech-to-speech morphing, cloning, text-to-speech, and a real-time voice changer for calls and games.Altered Studio - Creator (annual)Aqua VoiceCloud-based dictation for macOS, Windows and iOS, plus a separately billed Avalon API for audio files.Pro (monthly)Bland AIProgrammable AI phone agents for inbound and outbound calls, with per-minute billing and separate telephony costs.Start

More tools for the same task, alphabetical and sourced. Not a quality ranking.

Voice and voiceover

FAQ

Is Smallest.ai available for free?

Yes. A permanently free plan is published, not a time-limited trial.

Where is Smallest.ai's vendor based?

Smallest AI, Inc., based in USA / India. For data processing and privacy terms the vendor's own contract governs.

Is Smallest.ai still active?

Live-checked against the official vendor page.

How many plans are documented for Smallest.ai?

The catalog documents 2 plans with price, billing period, and included features.

Which use case is Smallest.ai categorized for?

Smallest.ai is listed in the catalog under “Audio & Voice.”

Where do the details about Smallest.ai come from?

Prices, limits, and product details are documented against the listed official vendor page.

How we compare

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Edited and checked by the AI Compare team

Sources

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