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Search the full directory: 4 tools, honestly listed. Filter by category, pricing, and tags. Free, open, no account needed.

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4 tools

Dessa logo

Dessa

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Conversational AI & Chatbots · API

Full-duplex speech conversation model trained natively on audio

FreeAPI availableCloud hosted
Pricing: Research preview and open audio model explorations.
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Hark Pro logo

Hark Pro

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Conversational AI & Chatbots

Personal intelligence assistant for voice, travel planning, and automated tasks

Free tierWeb interfaceCloud hosted
Pricing: Free tier available on web, iOS, and Android. Hark Pro subscription unlocks priority personal intelligence task fulfillment and multi-modal voice processing.
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Clef Flash logo

Clef Flash

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Conversational AI & Chatbots · API

Real-time audio & multimodal decision model family by Clef

Free tierAPI availableCloud hosted
Pricing: Free tier for audio stream tokens
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AssemblyAI logo

AssemblyAI

Verified

NLP & Text Utilities · API

Production speech to text and voice intelligence API

Free tierAPI availableCloud hosted
Pricing: Free tier with $50 in credits; pay-as-you-go transcription from $0.15 per audio hour.
View specifications