Voice Paid

Smallest.ai

Low-latency voice AI models and agents for real-time conversations

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PricingPaid
Starting price$0.003/min
Free planNo
Free trialYes
APIYes
Open sourceNo
DeploymentHybrid
Last verifiedAugust 2, 2026
Overview

Tool overview

Smallest.ai is listed under Voice AI tools.

Summary

What is Smallest.ai?

Smallest.ai provides speech-to-text, text-to-speech, speech-to-speech, and conversational voice-agent infrastructure. Its models support real-time streaming, voice cloning, multilingual speech, APIs, and enterprise on-premises deployment.

Best fit

Best for

Developers and enterprises building latency-sensitive multilingual voice products

Audience

Who is it for?

Voice-agent developersContact-center platformsSpeech application teamsEnterprise AI infrastructure teams
Recommendation

Decision note

Rebuilt from the original export under V412/V411 independent factual verification. Preview only; Apply requires Failures = 0, Warnings = 0, Unmapped = 0, Missing = 0, reviewed explicit clears, image import disabled or V380 PASS, representative edit-screen comparison, and a zero-change post-Apply Preview.

Capabilities

Key features

Pulse real-time and batch speech recognition

Lightning low-latency text-to-speech

Atoms conversational voice agents

On-premises enterprise model deployment

Workflows

Use cases

Build inbound and outbound voice agents

Transcribe calls in real time

Generate multilingual synthetic speech

Deploy private voice infrastructure

Strengths

Pros

  • Transparent usage pricing
  • Ten dollars in starter credits
  • On-premises options for enterprise
Considerations

Cons

  • No ongoing free plan confirmed
  • Pricing varies by model and modality
  • Enterprise deployments require sales
Considerations

Limitations

Language coverage differs across Pulse, Lightning, Hydra, and Electron models.

Production voice quality depends on audio conditions, orchestration, and selected model.

Cost

Pricing details

Pricing modelPaid
Starting price$0.003/min
Free planNo
Free trialYes
Pricing context

Billing options

Pay as you goStarter creditsEnterprise contract
Pricing context

Pricing note

Pulse prerecorded STT starts near $0.003/minute and real-time near $0.004/minute. Lightning v3.1 starts at $0.175 per 10K characters. New accounts receive $10 in trial credits.

View official pricing
Compatibility

Supported languages

  • 35+ STT languages
  • 20 Lightning language codes
  • 70+ Electron languages
Connectivity

Integrations

REST APIs

WebSocket streaming

OpenAI-compatible integrations

n8n templates

Specs

Technical details

PlatformsWeb
Multilingual supportYes
Login requiredYes
Open sourceNo
DeploymentHybrid
CompanySmallest AI
Models / versionsPulse Lightning v3.1 Hydra Electron Atoms
Editions / plansPay as you go Enterprise
Data confidenceHigh
Last verifiedAugust 2, 2026
Documentation → Data source →
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Answers

Frequently asked questions

Smallest.ai provides speech-to-text, text-to-speech, speech-to-speech, and conversational voice-agent infrastructure. Its models support real-time streaming, voice cloning, multilingual speech, APIs, and enterprise on-premises deployment.
Developers and enterprises building latency-sensitive multilingual voice products
The listed pricing model for Smallest.ai is Paid. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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