Smallest.ai is a unified AI speech platform for businesses and developers. Waves provides high-quality text-to-speech, while Atoms enables no-code creation of multimodal AI agents. Both operate on a shared credit-based subscription, making deployment and scaling seamless.
Smallest.ai is a unified speech AI platform offering text-to-speech, speech-to-text, speech-to-speech, voice cloning and AI voice agents.
- for
- Developers and businesses building voice-driven applications.
- pricing
- freemium · free trial
works withJavaScript
Key features
8 features of Smallest.ai
- Real-time Text-to-Speech — Blazing-fast TTS with ~100 ms latency across 15+ languages.
- Accurate Speech-to-Text — Transcription in 38 languages with emotion and speaker detection.
- Speech-to-Speech Model — Native speech-to-speech generation for production use cases.
- Voice Cloning — Create custom voice identities for agents or audiobooks.
- API-first Integration — REST APIs for all models, with example code snippets.
- Enterprise Compliance — ISO 27001, SOC 2 Type 2, GDPR and HIPAA certified.
- Scalable Hosting — Sub-100 ms latency at any scale, millions of concurrent calls.
- Dedicated Support — Forward-deployed engineers and priority support for enterprise plans.
Use cases
- Real-time voice assistants for customer support.
- Automated transcription of multilingual calls with speaker detection.
- Voice-driven interactive audiobooks using custom cloned voices.
- Speech-to-speech translation in live applications.
- Compliance-ready voice workflows for healthcare or finance.
Smallest.ai vs alternatives
 Smallest.ai |  Fine |  SuperAGI Cloud |  Kubiya.ai |  Calljmp | |
|---|---|---|---|---|---|
| Best for | Production-grade voice AI agents | General AI agent development | Autonomous AI agent orchestration | ChatOps for infrastructure | Code-first AI agent deployment |
| Pricing | Freemium | Free | Free | Subscription | Free |
| DevHunt upvotes | 0 | 75 | 43 | 37 | 35 |
| Launched | Mar 2025 | Jan 2023 | Jan 2023 | Jan 2023 | Feb 2026 |
- Smallest.ai vs Fine: Focuses on building software with AI agents, not specialized speech models.
- Smallest.ai vs SuperAGI Cloud: Provides cloud-hosted autonomous AI agents, but lacks dedicated speech-to-speech models.
- Smallest.ai vs Kubiya.ai: Targets DevOps chat-ops use cases, not voice-centric applications.
- Smallest.ai vs Calljmp: Offers AI agents as code on a managed backend, without built-in voice synthesis or transcription.
Smallest.ai FAQ
How am I charged for voice agents?+
Charges are usage-based per minute, varying by the models selected (e.g., $0.05-$0.21 per minute).
What counts as a billable minute?+
Any minute of model processing—text-to-speech, speech-to-text, speech-to-speech, or telephony hosting—is billed.
Is the model cost billed separately?+
Yes, model costs are listed separately (e.g., ChatGPT 4.1 at $0.045/min).
Is there a cost to create an agent?+
Agent creation itself is free; you only pay for the minutes the agent runs.
Is the platform suitable for regulated industries?+
Yes, it is ISO 27001, SOC 2 Type 2, GDPR and HIPAA compliant.
Summarized by DevHunt from smallest.ai · Sep 28, 2026. Details may change; check the official site.
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