

⚡ Quick Verdict:
- Tarification : WellSaid Labs starts at $50/user/month vs Altered at $30/month (Altered also has a free plan)
- Idéal pour : WellSaid Labs for enterprise teams needing polished AI voice production, Altered for creators who need voice morphing and cloning tools
- Différence principale : WellSaid Labs focuses on synthèse vocale with studio-grade audio quality, while Altered offers voice morphing, a real-time voice changer, and voice cloning in one app
- Our pick: WellSaid Labs for most users — higher audio fidelity and stronger enterprise security controls

WellSaid Labs and Altered both turn text into speech.
Mais ils empruntent des chemins très différents pour y parvenir.
WellSaid Labs is built for teams that need polished AI voice production at scale.
Altered is a voice content creation platform with morphing, cloning, and editing in one app.
This comparison breaks down pricing, features, and use cases so you can pick the right tool.
Aperçu
This WellSaid Labs vs Altered comparison covers pricing, voice quality, features, and ease of use.
We also break down who each tool works best for.
Our sources include published specs, documentation, and G2 reviews.
By the end, you’ll know which AI voice tool fits your needs.
Qu'est-ce que WellSaid Labs ?
WellSaid Labs is an AI text to speech platform based in Seattle, Washington.
It uses artificial intelligence and voice synthesis to turn written scripts into natural sounding voices for video content, training modules, and commercials.
The story WellSaid Labs tells is simple: the best text to speech should sound human.
You don’t have to wait long to hear results — the platform generates audio in seconds.
Businesses and customers use it to create audio content for podcasts, audiobooks, YouTube videos, and digital experiences.

Laboratoires WellSaid
Professional AI voice synthesis with 120+ voice avatars. SOC2 and GDPR compliant. Built for teams that need polished audio at scale.
Tarification de WellSaid Labs
Voici ce que coûte WellSaid Labs en 2026.
| Plan | Prix | Idéal pour |
|---|---|---|
| Procès | Gratuit | Testing voice avatars for 7 days |
| Créatif | 50 $/utilisateur/mois | créateurs individuels et petits projets |
| Entreprise | 160 $/utilisateur/mois | Équipes ayant des besoins de collaboration |
| Entreprise | Contactez le service commercial | Grandes organisations ayant des besoins en matière de sécurité |
Pricing verified May 2026.

Essai gratuit : Yes — 7 days with access to pre-selected voice avatars. No credit card needed to sign up.
Garantie de remboursement : WellSaid Labs does not publicly list a refund policy. Some users report difficulty getting refunds after cancellation.
📌 Note: WellSaid Labs does not charge per word or per minute of generated audio within tier limits. Pricing is based on per-seat subscriptions with annual billing options.
⚠️ Avertissement: Lower-tier plans give you pre-selected voices — you cannot choose which ones. Some users report billing issues after cancellation, so confirm your cancellation in writing.
Principaux avantages des laboratoires WellSaid
Here’s what makes WellSaid Labs worth considering:
- Qualité vocale : WellSaid Labs offers high-fidelity audio up to 96 kHz. The extensive voice library of 120+ avatars gives you plenty of options for high quality voice content.
- HINTS Technologie : This new feature lets you adjust pitch, pacing, and loudness at the word level. You can nest and layer annotations across long scripts for customizable output.
- Sécurité d'entreprise : WellSaid Labs complies with SOC2 Type 2 and GDPR standards. It also meets HIPAA and ADA accessibility requirements.
- Collaboration d'équipe : Multiple users can share projects and manage collaboration levels. This makes it easy for content teams to work together.
- Prononciations personnalisées : You can create and maintain a pronunciation repository. Team members can share it for consistent audio output.
- Accès API : The RESTful API supports real time text to speech with low latency. Product developers can add professional voice output to their own apps — no human talent needed for every recording.

What Our Team Noticed
Notre écrivain signed up for WellSaid Labs and spent several days exploring the platform. Here’s what stood out:

Avantages et inconvénients de WellSaid Labs
✅ Avantages
- Studio-quality voices that sound polished for professional projects
- SOC2 Type 2 and GDPR compliance for enterprise security needs
- HINTS technology gives word-level control over pitch and pacing
- Shared pronunciation repository keeps audio consistent across teams
❌ Inconvénients
- English only — no support for other languages in 2026
- No voice cloning feature unlike most competitors
- Expensive compared to alternatives at $50/month minimum
Qu'est-ce qui est modifié ?
Altered AI is a voice content creation platform based in London, United Kingdom.
It lets voice creators morph, clone, and edit audio using advanced voice AI technology.
Altered Studio integrates multiple voice AI technologies into a single user friendly interface.
Creators use it for media production, audio storytelling, podcasts, and video game voice performances.

Modifié
A next generation audio editor with voice morphing, voice cloning technology, and a real-time voice changer. Built for voice creators in media production and entertainment.
Tarification modifiée
Voici ce que coûte Altered en 2026.
| Plan | Prix | Idéal pour |
|---|---|---|
| Gratuit | 0 $/mois | Test des fonctionnalités de base de l'édition vocale |
| Créateur | 30 $/mois | créateurs individuels et podcasteurs |
| Professionnel | 90 $/mois | Studios et équipes de production |
Pricing verified May 2026.

Essai gratuit : Yes — Altered offers a free plan with basic access to the Altered Studio. Users can also sign up for a free trial of the Creator plan.
Garantie de remboursement : For Professional or Enterprise subscriptions, users should visit the pricing page for refund details.
📌 Note: All paid plans are billed annually. The prices shown are monthly costs when paying yearly. The free plan lets you explore basic voice editing and voice morphing features.
⚠️ Avertissement: The free plan is limited — you won’t get access to AI voice cloning or all speaking styles. Full features require the Creator plan at $30/month or higher.
Principaux avantages de la modification
Here’s what makes Altered worth considering:
- Transformation vocale : Change your voice to sound like different characters, accents, and styles. This works for both recorded files and live calls.
- Clonage vocal : Replicate any voice from just a few seconds of recording. The rapid voice clone feature creates a vocal identity you can reuse across projects.
- Changeur de voix en temps réel : Use the real time voice changer with ultra-low latency during live voice chats, gaming, or video calls. Background noise cancellation is built in.
- Speaking Styles: The text to speech engine supports 14 speaking styles including whispering and shouting. This is great for audio storytelling and voice performances.
- Prise en charge multilingue : Transcribe and translate content into 75+ languages. You can also add voice-over in 70+ languages using text to speech.
- Nettoyeur vocal IA : Remove background noise, voice fillers, and mouth artifacts. This polishes your voice recordings without manual editing.
- Plateforme tout-en-un : Voice morphing, cloning, text to speech, editing, and cleaning live in one app. You don’t need separate tools for each task.

What Our Team Noticed
Our writer signed up for Altered and spent several days exploring the platform. Here’s what stood out:

Avantages et inconvénients modifiés
✅ Avantages
- Voice morphing and cloning in a single app saves time and cost
- Real-time voice changer works on live calls with low latency
- Free plan available for testing before you commit
- Prend en charge plus de 75 langues pour la transcription et la traduction
❌ Inconvénients
- Smaller company with fewer enterprise security certifications
- Free plan is very limited in feature access
- Text to speech voice library is not as large as WellSaid Labs
Comparaison des fonctionnalités
Ready to dive into a detailed comparison of WellSaid Labs vs Altered?
Nous allons explorer 8 fonctionnalités clés pour vous aider à déterminer quelle plateforme correspond le mieux à vos besoins.
| Fonctionnalité | Laboratoires WellSaid | Modifié |
|---|---|---|
| Prix initial | 50 $/utilisateur/mois | 0 $/mois (formule gratuite) |
| Plan gratuit | ❌ (Essai de 7 jours seulement) | ✅ |
| Clonage vocal | ❌ | ✅ |
| Transformation vocale | ❌ | ✅ |
| Synthèse vocale | ✅ (Plus de 120 voix) | ✅ (portfolio TTS voices) |
| Changeur de voix en temps réel | ❌ | ✅ |
| Sécurité d'entreprise | ✅ (SOC2, GDPR, HIPAA) | ❌ |
| Assistance multilingue | ❌ (Anglais seulement) | ✅ (75+ languages) |
| Idéal pour | Enterprise teams & training | Voice creators & media production |
1. Qualité de la synthèse vocale
Laboratoires WellSaid : The platform uses deep learning to generate speech that sounds close to a human recording. WellSaid Labs offers over 120 AI voice avatars, each with a unique personality. Audio output reaches up to 96 kHz, which is high enough for professional studio environments.

Modifié : Altered Studio’s text to speech supports 14 speaking styles, from whispering to shouting. This gives voice creators more flexibility for dialogue and entertainment projects. The portfolio of TTS voices covers 70+ languages, though the English voice library is smaller than WellSaid Labs.
2. Clonage vocal
Laboratoires WellSaid : WellSaid Labs does not offer voice cloning to regular users. The platform focuses on its existing library of licensed voice avatars. You cannot create custom voices from audio samples on any standard plan.
Modifié : Altered’s AI voice cloning lets you replicate a person’s voice from just a few seconds of recording. The rapid voice clone feature creates a vocal identity you can reuse across projects. This is a major draw for game developers and podcasters who need consistent character voices.

3. Morphing de la voix
Laboratoires WellSaid : WellSaid Labs does not include voice morphing. You select a voice avatar and type your script — the platform handles the rest. There’s no way to drive a voice with your own performance.
Modifié : Voice morphing is Altered’s signature feature. You record your own voice, and the tool changes it to sound like a different person. This lets voice creators drive a whole multi-character production by themselves using voice puppeteering.

4. Modification de la voix en temps réel
Laboratoires WellSaid : WellSaid Labs does not have a real-time voice changer. The platform is designed for generating pre-recorded audio from text. It doesn’t work for live voice chats or gaming sessions.
Modifié : Altered’s real-time voice changer works during live calls and gaming with ultra-low latency. You can change your vocal identity, accent, age, and gender while maintaining tempo. It also includes effective noise cancellation for cleaner voice chats.
5. Personnalisation et contrôle de la voix
Laboratoires WellSaid : The HINTS technology lets you direct AI voices with contextual annotations. You can adjust pitch, pacing, and loudness at the word level. Annotations can be nested and layered across long scripts for fine-grained control.

Modifié : Altered’s voice editor uses traditional DSP effects together with modern outils d'IA. You can adjust pronunciation, accent, and speaking style through the online audio editor. The history editing feature lets you track and revert to previous versions of your audio project.

6. Enterprise and Team Features
Laboratoires WellSaid : The platform is built for enterprise use. It complies with SOC2 Type 2, GDPR, HIPAA, and ADA standards. Teams can share projects, manage collaboration levels, and maintain a central pronunciation repository.

Modifié : Altered is a smaller company with about 14 employees. It does not currently advertise SOC2 or HIPAA compliance. The platform supports collaboration through shared projects, but it lacks the enterprise security controls that large organizations need.
⚠️ Avertissement: If your company handles sensitive data like healthcare records or financial information, WellSaid Labs’ security certifications matter. Altered does not currently meet these compliance standards.
7. Soutien linguistique
Laboratoires WellSaid : WellSaid Labs offers voices only in English. It supports multiple accents and voice styles within English, but there is no multi-language support. This limits its use for global businesses.
Modifié : Altered supports transcription and translation in 75+ languages. You can add text to speech voice-over in 70+ languages. This makes it a better fit for creators who need to produce content across different regions.
8. Tarification et coût
Comparons les plans tarifaires côte à côte.
| Niveau du plan | Laboratoires WellSaid | Modifié |
|---|---|---|
| Gratuit | Essai gratuit de 7 jours seulement | $0/month (limited features) |
| Entrée payée | 50 $/utilisateur/mois (Créatif) | 30 $/mois (Créateur) |
| Niveau intermédiaire | 160 $/utilisateur/mois (Entreprise) | 90 $/mois (Professionnel) |
| Entreprise | Contactez le service commercial | Contactez-nous pour connaître les tarifs |
Laboratoires WellSaid : The Creative plan costs $50 per user per month. The Business plan jumps to $160 per user per month. There is no permanent free plan — only a 7-day trial. Per-user pricing means team costs add up fast.
Modifié : Altered’s Creator plan is $30 per month — $20 less than WellSaid Labs’ entry plan. The Professional plan is $90 per month. Altered also offers a permanent free plan, which WellSaid Labs does not.
Différents scénarios
| Si vous avez besoin | Choisir | Pourquoi |
|---|---|---|
| budget serré | Modifié | Free plan + $30/mo entry tier |
| Sécurité d'entreprise | Laboratoires WellSaid | Conforme aux normes SOC2, RGPD et HIPAA |
| clonage vocal | Modifié | Rapid voice clone from seconds of audio |
| Studio-grade TTS voices | Laboratoires WellSaid | 120+ voices at up to 96 kHz |
| Contenu multilingue | Modifié | 75+ languages supported |
| Changement de voix en direct | Modifié | Real-time voice changer built in |
💰 Votre budget
Altered wins on price with a free plan and a $30/month Creator tier. WellSaid Labs starts at $50 per user per month with no permanent free option.
🔌 Votre pile technologique
WellSaid Labs has a RESTful API that product developers can use to add voice to their apps. Altered Studio runs online and locally on Windows and Mac, which is useful if you prefer desktop tools.
📝 Votre type de contenu
For corporate training videos, commercials, and e-learning, WellSaid Labs is the stronger choice. For game development, podcasts, and stories that need multiple voice characters, Altered gives you more creative control.
🎓 Votre niveau d'expérience
WellSaid Labs has a simpler workflow — type text, pick a voice, and download audio. Altered has more features to learn but rewards creators who want deeper control over their voice performances.
🆓 Essais et démos gratuits
WellSaid Labs offers a 7-day free trial with pre-selected voices. Altered has a permanent free plan plus a free trial of the Creator plan — giving you more time to test before you pay.
🛟 Options d'assistance
WellSaid Labs offers live chat support on paid plans and has a dedicated help center. Altered provides a help center and contact form but doesn’t advertise live chat or phone support.
Guide de changement
Vous utilisez déjà l'un de ces outils ? Voici à quoi vous attendre si vous en changez.
🔄 Vous passez de WellSaid Labs à Altered ?
✅ Ce que vous y gagnerez :
- Voice cloning and voice morphing features not available in WellSaid Labs
- A permanent free plan to test features without time pressure
- Multi-language support in 75+ languages for global content
❌ Ce que vous perdrez :
- SOC2, GDPR, and HIPAA compliance for enterprise environments
- The larger library of 120+ polished English voice avatars
- HINTS, technologie de personnalisation vocale au niveau des mots
📋 Comment changer :
- Download all your audio projects from WellSaid Studio before cancelling
- Create a free Altered account and explore the basic features
- Re-create your scripts in Altered Studio using text to speech or voice morphing
🔄 Vous passez d'Altered à WellSaid Labs ?
✅ Ce que vous y gagnerez :
- 120+ studio-quality voice avatars with up to 96 kHz audio fidelity
- Enterprise security with SOC2 Type 2, GDPR, and HIPAA compliance
- HINTS technology for precise pitch, pacing, and loudness adjustments
❌ Ce que vous perdrez :
- Voice morphing and voice cloning features
- Changeur de voix en temps réel pour les appels et les jeux en direct
- Multi-language support — WellSaid Labs is English only
📋 Comment changer :
- Export all audio files and project data from Altered Studio
- Sign up for WellSaid Labs’ 7-day free trial to test voice avatars
- Upload your scripts and generate new audio using WellSaid’s voice library
What Our Review Didn’t Cover
This comparison focused on individual creators and small teams. We didn’t test enterprise-level deployments or custom API integrations for either platform. Audio quality testing across all 120+ WellSaid Labs voices wasn’t possible in this scope. Altered’s desktop app performance on different hardware setups also wasn’t evaluated. If you’re managing large production teams with 50+ users, your experience and pricing may differ from what we’ve described.
Verdict final
| Catégorie | Gagnant |
|---|---|
| 💰 Tarification | Modifié |
| 🚀 Text to Speech Quality | Laboratoires WellSaid |
| 🎯 Voice Cloning & Morphing | Modifié |
| 🔒 Sécurité d'entreprise | Laboratoires WellSaid |
| 👶 Facilité d'utilisation | Laboratoires WellSaid |
| 🌍 Assistance linguistique | Modifié |
| ⚡ Fonctionnalités en temps réel | Modifié |
| 🏆 Vainqueur toutes catégories | Laboratoires WellSaid |
🏆 GAGNANT : WellSaid Labs
WellSaid Labs wins 3 out of 7 categories.
Idéal pour : Enterprise teams, corporate training, professional video content, and businesses needing high quality voice output with security compliance
WellSaid Labs and Altered serve different users with different needs. WellSaid Labs is a polished text to speech platform built for businesses that need consistent, professional audio. The voice quality and enterprise security give it a clear edge for corporate use.
Altered is the better pick for creators who need voice morphing, voice cloning, and a real-time voice changer. It’s also the more budget-friendly option with a free plan and lower entry pricing. If you do creative audio work across multiple languages, Altered gives you tools that WellSaid Labs simply doesn’t offer.
For most users who need reliable, high quality AI voice generation for professional projects, WellSaid Labs is the stronger choice.
Comparaison d'autres laboratoires WellSaid
Voici comment WellSaid Labs se compare à ses concurrents :
WellSaid Labs contre ElevenLabs
WellSaid Labs remporte la victoire sur : Enterprise security (SOC2/GDPR), dedicated team collaboration tools, HINTS word-level voice customization
ElevenLabs gagne sur : Voice cloning from audio samples, multi-language support, lower entry pricing
WellSaid Labs contre Murf
WellSaid Labs remporte la victoire sur : Higher audio fidelity (96 kHz), stronger enterprise compliance certifications, more English voice avatars
Murf gagne sur : 20+ language support, ability to sync voiceovers with video and images, voice cloning with prosody matching
WellSaid Labs contre Description
WellSaid Labs remporte la victoire sur : Voice library size (120+ avatars), enterprise security controls, purpose-built for audio narration
Descript gagne sur : Full video and podcast editing suite, transcription-based editing workflow, lower price for individual creators
WellSaid Labs contre Speechify
WellSaid Labs remporte la victoire sur : Studio-grade output quality, team collaboration features, API for custom product integration
Speechify l'emporte sur : Cross-device availability (mobile, desktop, browser), more affordable plans, larger selection of accents and languages
Plus de versions modifiées comparées
Voici comment Altered se compare à ses concurrents :
Altered contre ElevenLabs
Victoires modifiées sur : Voice morphing (Speech-to-Speech), real-time voice changing for live calls, AI voice cleaner built into the editor
ElevenLabs gagne sur : Larger TTS voice library, more mature API for developers, broader community and marketplace
Altéré contre Murf
Victoires modifiées sur : Voice morphing and cloning in one platform, 14 speaking styles for emotive TTS, real-time voice changer for gaming
Murf gagne sur : Easier video-to-voiceover workflow, simpler sign-up process with personal email, converting raw recordings into studio-quality audio
Modifié vs Description
Victoires modifiées sur : Dedicated voice morphing technology, rapid voice cloning from seconds of audio, real-time voice changing for calls
Descript gagne sur : Full video editing suite alongside audio, screen recording and transcription workflow, larger user community
Modifié vs Play.ht
Victoires modifiées sur : Voice morphing lets you drive voices with your own performance, AI voice cleaner removes background noise automatically, desktop app runs locally
Play.ht gagne sur : Larger library of AI voices, blog-to-audio conversion feature, more affordable entry pricing
Foire aux questions
À quoi servent les laboratoires WellSaid ?
WellSaid Labs turns text into natural sounding AI voices for video content, training modules, commercials, and podcasts. Teams use the platform to create professional audio without hiring human voice talent.
L'IA modifiée est-elle gratuite ?
Yes, Altered offers a free plan with basic access to voice editing features. For full access to voice cloning, all speaking styles, and the complete Altered Studio, you need the Creator plan at $30/month.
Quel est le générateur de voix IA le plus réaliste ?
WellSaid Labs produces some of the most polished TTS voices available, especially for English-language content. Altered takes a different approach — its voice morphing lets you drive AI voices with your own performance for more expressive results.
Le clonage vocal par IA est-il illégal ?
AI voice cloning is legal when you have consent from the person whose voice is being cloned. Both WellSaid Labs and Altered prohibit unauthorized cloning or deepfake creation in their terms of service. Laws vary by region, so check local regulations.
Combien coûte WellSaid Labs ?
The Creative plan starts at $50 per user per month. The Business plan costs $160 per user per month. Enterprise pricing requires contacting sales. There is a 7-day free trial but no permanent free plan.













