Text to speech and speech to text. 53 tools listed. Lists are never ranked: the order is A to Z, lowest starting price, or free plan first, whichever you pick.
Speech-to-text and voice AI API for transcription, live captions and voice agents. Pay-as-you-go per hour of audio with no minimums or contracts, and a generous free tier.
Paid price not foundFree plan: 185 hours of pre-recorded transcription (one time)
AI meeting assistant that records, transcribes and writes notes for sales and customer teams, and includes meeting scheduling. Only people who record meetings need paid seats.
AI phone-call agent platform for inbound and outbound calls. One per-minute rate covers speech-to-text, the language model and voices, with a monthly platform fee on higher plans.
Speech-to-text, text-to-speech and voice agent APIs for developers. Usage-based pricing per minute or per 1,000 characters, with a free credit to start and prepaid Growth plans for bigger volumes.
Paid price not foundFree plan: 200 USD credits (one time)
Joins your online meetings to record, transcribe and summarise them, with search across past calls. Plans are priced per seat and limited by storage and AI credits.
Text-to-speech and speech-recognition service with a web tool and a developer API. Personal plans are low monthly subscriptions; developers buy credits per word.
Removes background noise and echo from calls, and records, transcribes and takes notes in meetings. Higher plans add accent conversion and stronger security controls.
Genny by LOVO is an AI voice generator and video editor with 500+ voices, voice cloning and a built-in editor. Plans are sized by hours of voice generation a month; paid plans include commercial rights.
Records and transcribes meetings and lectures, then produces summaries and action items you can search later. Free tier is limited by transcription minutes.
From $8.33/mo billed yearly (Pro)Free plan: 300 transcription minutes per month
Voice AI platform for text-to-speech, voice cloning, speech-to-speech and deepfake detection, with an open-source Chatterbox model. The current pricing page leads with detection plans and pay-as-you-go credits.
AI voice platform known for speech-to-speech voice conversion and licensed voices, with a Voice Marketplace for text-to-speech and a real-time TTS API. Sold as pay-as-you-go credits or subscriptions.
Voice agent platform for inbound and outbound phone calls with a no-code builder and API. Usage-based pricing per minute depends on the language model, voice and phone line you choose; no platform fee.
Paid price not foundFree plan: 10 USD credits (one time)
Studio for recording podcasts and video interviews, editing them and going live, with a separate webinar plan. AI credits power features like translation and B-roll.
AI language-tutor app with speaking lessons, roleplay and pronunciation feedback. Two paid plans after a 7-day trial; Premium Plus adds unlimited personalized lessons and AI tutor calls.
Text-to-speech reader that reads articles, PDFs and emails aloud, with voice typing and an AI assistant on the paid plan. Free is limited to basic voices at up to 1.5x speed.
Speech-to-text API for 55+ languages with real-time and batch transcription, speaker labels and on-premises options. Billed per audio hour, not by monthly plan.
Paid price not foundFree plan: 10 hours of audio per month
Enterprise voice AI platform for contact centers and multi-location brands, with agents that answer calls, book appointments and update CRMs. Sold as an annual enterprise agreement, not a self-serve plan.
Price not publishedFree plan not shown on the vendor page we read
Developer platform for building voice AI agents that make and take phone calls. You pay a per-minute hosting fee plus the speech, language-model and phone costs at cost; optional monthly packages add support and limits.
From $29/mo (Core)Free plan: 5 USD credits (one time)
Platform for designing, testing and shipping chat and voice AI agents, with model choice and a knowledge base. You pay a monthly plan fee plus credit-based usage.