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Voice & speech

18 AI tools for Voice & speech, part of the Audio & Voice category, with prices, limits and sources.

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More topics in Audio & Voice

Music generation 21Audio editing & restoration 14Deepfake detection & authenticity 1

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Altered AI

Voice & speech

Voice AI platform with speech-to-speech morphing, cloning, text-to-speech, and a real-time voice changer for calls and games.

Free accessFree plan3 minutes of online morphing/month; Conflicting Free tokens: plan card 10,000, comparison table 1,000; Non-commercial publication with attribution only; no token rollover
Paid fromAltered Studio - Creator (annual) · 30 USD60 online morphing minutes and 325,000 AI tokens/month; unused tokens roll over
  • Studio: cloning, speech-to-speech, TTS and audio editing
  • Real-Time Pro Call Center: Accent Translation, Voice Skins and Isolate; unlimited processing

Details Visit site (opens in a new tab)

Aqua Voice

Voice & speech

Cloud-based dictation for macOS, Windows and iOS, plus a separately billed Avalon API for audio files.

Free accessFree trial
Paid fromPro (monthly) · 10 USDUnlimited dictation
  • Cloud-based dictation for macOS, Windows and iOS, plus a separately billed Avalon API for audio files.
  • Custom Instructions and expanded dictionary

Details Visit site (opens in a new tab)

Bland AI

Voice & speech

Programmable AI phone agents for inbound and outbound calls, with per-minute billing and separate telephony costs.

Free accessOne-off free allowance
Paid fromStart · 0 USD + 0.14 USD/minUSD 0 monthly base fee; USD 0.14 per connected call minute
  • Build and Scale raise concurrency and daily caps while lowering minute rates. Limits are not free minutes included in the base fee.
  • 10 concurrent calls; 100 calls per day and 100 per hour

Details Visit site (opens in a new tab)

Cartesia

Voice & speech

Real-time text-to-speech, speech-to-text and managed voice agents through a usage-based API.

Free accessFree plan20000 credits/month, 1 USD agent credit; Sonic ~27 min, Ink ~1h51; TTS 2, STT/agents 8/8 concurrent
Paid fromPro · 5 USD100000 credits/month, 5 USD agent credit; Sonic ~133 min, Ink ~9h16; TTS 3, STT/agents 12/12 concurrent
  • TTS, STT and managed voice agents with separate consumption types
  • Zero Data Retention only for Enterprise TTS/STT

Details Visit site (opens in a new tab)

Deepgram

Voice & speech

Developer API platform for speech-to-text, text-to-speech, and voice agents, billed on a usage basis.

Free accessFree plan
Paid fromPay As You Go · contact sales$200 free credit, no minimums
  • Real-time transcription (Nova-3) with the lowest latency for live applications
  • Batch transcription for recorded audio and video files

Details Visit site (opens in a new tab)

ElevenLabs

Voice & speech

Generate speech, voiceovers, dubbing, and voice agents with synthetic voices.

Free accessFree plan10,000 credits/month; the pricing table lists about 10 UI TTS minutes.
Paid fromStarter · $6 / $530,000 credits
  • Text-to-speech (TTS) with expressive voices in 70+ languages via web and API
  • Instant Voice Cloning and Professional Voice Cloning from short audio samples

Details Visit site. Advertising link: we receive a commission if you subscribe. The price is the same for you. (opens in a new tab)

Fish Audio

Voice & speech

AI text-to-speech and voice-cloning platform (plus speech-to-text and voice changer) positioned as a cheaper alternative to ElevenLabs.

Free accessFree plan
Paid fromPlus · 15 $250,000 credits/month; up to 200 generation minutes; unlimited public and 10 private voice slots
  • Text-to-speech and voice tools
  • Voice features per the product offering

Details Visit site (opens in a new tab)

Kits.ai

Voice & speech

Convert and clone singing voices.

Free accessFree plan15 conversion minutes but 0 download minutes.
Paid fromStarter · $10Unlimited conversions subject to fair use
  • Convert singing voices (voice conversion)
  • Clone your own voice for vocal production

Details Visit site (opens in a new tab)

Murf AI

Voice & speech

Create voiceovers with many voices, languages, and a studio editor.

Free accessOne-off free allowance10 one-time voice-generation minutes; no downloads.
Paid fromCreator (annual billing) · $192 voice-generation hours on monthly billing or 24 hours/year
  • Script-based voiceovers in Studio; Murf Dub as a separate product
  • Script controls for speed, pitch, pauses, pronunciation, and emphasis

Details Visit site. Advertising link: we receive a commission if you subscribe. The price is the same for you. (opens in a new tab)

ParaSpeech

Voice & speech

Mac-native dictation app that turns speech into text directly in any field via a keyboard shortcut, with optional on-device processing.

Free accessFree trial
Paid fromMonthly · 14,99 $Unlimited transcriptions
  • Turn spoken messages and notes into text
  • Mac and iPhone, with access across your own devices

Details Visit site (opens in a new tab)

Picovoice

Voice & speech

On-device AI SDKs for wake word detection, speech-to-text, text-to-speech, speaker recognition and more that run entirely on-device instead of in the cloud; free trial available, paid use only on request.

Free accessFree trial
Paid fromEnterprise / production · contact salesThe vendor describes a subscription model for enterprises including support, updates, upgrades and usage tracking; the official page names no …
  • On-device SDKs for wake word detection, speech-to-text, text-to-speech, and speaker recognition
  • Runs entirely on-device without cloud connectivity

Details Visit site (opens in a new tab)

Sarvam

Voice & speech

Indian AI API platform for text-to-speech, speech-to-text, translation, document AI, and multilingual chat models focused on Indian languages.

Free accessFree plan
Paid fromSarvam · TTS 3,00 Rupien pro 1.000 Zeichen; weitere Preise siehe Anbieter-WebsiteCovers TTS, STT, translation, document AI, dubbing and LLM chat under one API
  • Text-to-speech (TTS) for Indian languages at 3.00 rupees per 1,000 characters
  • Speech-to-text (STT) from 30 rupees per hour for transcription of Indian languages

Details Visit site (opens in a new tab)

Smallest.ai

Voice & speech

Voice AI platform offering low-latency (sub-100ms) text-to-speech, speech-to-text, and voice agents for enterprises.

Free accessFree plan
Paid fromEnterprise · contact sales99.99% SLA, on-premise, SSO, SOC2/HIPAA
  • Text-to-speech API with latency below 100 milliseconds for real-time voice applications
  • Speech-to-text transcription for conversations and recordings

Details Visit site (opens in a new tab)

Speechify Studio

Voice & speech

Voiceover, dubbing, and avatars with one shared credit balance.

Free accessFree plan600 credits = 10 voiceover minutes; no commercial rights or downloads.
Paid fromStudio Starter · $10086,400 credits
  • Manage voiceover, dubbing, and avatar generation with a shared credit account
  • Over 200 AI voices and clone voices in 50+ languages with emotional expression

Details Visit site (opens in a new tab)

Superwhisper

Voice & speech

AI-powered dictation for macOS, Windows and iOS, works offline with local Whisper models and optionally with cloud/bring-your-own AI models.

Free accessFree plan
Paid fromPro · 8,49 $Everything in Free
  • AI speech recognition for macOS, Windows, and iOS with offline support for privacy
  • Dictation mode, transcription mode, and AI memo creation in one app

Details Visit site (opens in a new tab)

Vapi

Voice & speech

Developer platform for building and deploying voice AI agents (phone call bots) that handle customer calls, support, and appointment scheduling.

Free accessFree plan
Paid fromScale · contact salesVolume-based per-minute pricing, SOC 2, HIPAA, PCI, SSO
  • Pay-as-you-go call minutes from $0.05 per minute
  • 10 concurrent calls included at no extra cost in the Build plan

Details Visit site (opens in a new tab)

Voice.ai

Voice & speech

TTS, voice agents, and audio tools.

Free accessFree plan5,000 credits: 5 TTS minutes or 3 audio-tool uses.
Paid fromStarter · $5 / $4.1715,000 credits/month
  • Text-to-speech and voice agents in a shared credit system
  • Instant voice cloning from the Starter plan

Details Visit site (opens in a new tab)

Wispr Flow

Voice & speech

System-wide AI dictation app that turns spoken speech into polished, ready-to-use text in any application on Mac, Windows, iOS, and Android.

Free accessFree plan
Paid fromPro · 12 € pro Monat bei jährlicher Zahlung (15 € bei monatlicher Zahlung)Unlimited dictation
  • System-wide AI dictation in any app on Mac, Windows, iOS, and Android
  • Unlimited dictation with advanced AI models from Pro

Details Visit site (opens in a new tab)

Alphabetical order. This is not a quality ranking.

Comparison criteria

We compare free access, paid entry, plan limits, features and the listed official sources. Unsourced figures stay marked as not published.

Methodology

Only confirmed entries appear in the catalog. Prices, plans and limits come from listed official vendor pages. Missing figures stay marked as not published. Result lists are alphabetical by default and can be switched to Free access first; neither is a quality ranking. The vendor page always wins.

Is this a ranking?

No. Result lists are alphabetical by default and can be switched to Free access first. We do not award stars or a test winner.

Do you estimate missing prices?

No. Missing figures stay marked as not published. The current vendor page always wins.

How do you sort the tools?

Result lists are alphabetical by default and can be switched to Free access first. This is not a quality ranking.