Smallest.ai

Freemium · Jan 29, 2026

A tool with ultra-low latency text-to-speech and AI voice agents for conversational applications.

Smallest.ai provides a suite of audio AI models including Lightning for text-to-speech and Pulse for speech-to-text. The platform features ultra-low latency processing, voice cloning, and support for over 30 languages. It is designed for developers and businesses building real-time voice agents for industries such as healthcare, recruitment, and debt collection (verified: 2026-01-29).

Jan 29, 2026
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Pricing: Freemium
Last verified: Jan 29, 2026
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Key facts

Pricing

Freemium (as of Jan 29, 2026)

Use cases

Developers building conversational AI agents that require low-latency responses for real-time customer interactions (verified: 2026-01-29), Healthcare providers implementing automated patient experience systems using human-like emotional voice synthesis (verified: 2026-01-29), Recruitment teams screening candidates through automated AI voice agents to streamline the initial hiring process (verified: 2026-01-29)

Strengths

The Lightning model provides text-to-speech generation with a time to first byte as low as 100ms (verified: 2026-01-29), The platform supports speech-to-text and text-to-speech capabilities in over 30 languages with local accent support (verified: 2026-01-29), Users can access voice cloning technology and multi-modal asynchronous language models for diverse audio applications (verified: 2026-01-29)

Limitations

The Personal plan limits users to five AI agents and three concurrent requests for voice processing (verified: 2026-01-29), Professional voice clone support is restricted to the Business plan tier and higher (verified: 2026-01-29)

Last verified

Jan 29, 2026

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Strengths

  • The Lightning model provides text-to-speech generation with a time to first byte as low as 100ms (verified: 2026-01-29)
  • The platform supports speech-to-text and text-to-speech capabilities in over 30 languages with local accent support (verified: 2026-01-29)
  • Users can access voice cloning technology and multi-modal asynchronous language models for diverse audio applications (verified: 2026-01-29)

Limitations

  • The Personal plan limits users to five AI agents and three concurrent requests for voice processing (verified: 2026-01-29)
  • Professional voice clone support is restricted to the Business plan tier and higher (verified: 2026-01-29)

FAQ

What are the primary technical capabilities of the Lightning text-to-speech model? (recorded Jan 29, 2026)

As of Jan 29, 2026, our profile recorded: The Lightning model is designed for high-speed audio generation, achieving a time to first byte of 100ms. It supports streaming and generates human-like emotional voices in more than 30 languages, including various local accents and dialects for global applications (verified: 2026-01-29). Verify current details on the vendor site.

How does the Pulse speech-to-text model handle different languages and audio formats? (recorded Jan 29, 2026)

As of Jan 29, 2026, our profile recorded: The Pulse model transcribes audio across 36 languages and supports code-switching, which allows for processing multiple languages within a single audio stream. It provides both streaming and batch support for high-volume production environments (verified: 2026-01-29). Verify current details on the vendor site.

What specific features are included in the Personal subscription plan for developers? (recorded Jan 29, 2026)

As of Jan 29, 2026, our profile recorded: The Personal plan includes a no-code builder for five agents, access to premium Lightning voices, and three concurrent requests. It also provides email support for individual developers or early-stage teams building voice-based AI applications (verified: 2026-01-29). Verify current details on the vendor site.