Features Features. Affordable text-to-speech and speech-to-text service WhisperUI is a text-to-speech and speech-to-text service powered by OpenAI Whisper API. It offers affordable options for converting text to speech and speech to text. Related AI tools VNSplit 09/06/2024 000 AI Advertising Assistant Aitoolbox 31/05/2024 010 AI Ad Creative Assistant ZapCap 20/07/2024 010 AI Speech Recognition AudiblDoc 20/07/2024 000 Speech-to-Text meetXcc – Chrome Extension 23/09/2024 000 AI Meeting Assistant Async – Chrome Extension 25/09/2024 000 AI Email Assistant