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Reply.io vs Synthesia: Which is Better? Comparison 2026

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Email & Marketing47%Somewhat comparable26 tools available

Reply.io

AI-powered B2B sales prospecting platform to automate multichannel campaigns

Reply.io is an AI-powered B2B sales prospecting platform that automates multichannel campaigns (email, LinkedIn, SMS, WhatsApp) to generate qualified leads, personalize communications, and schedule meetings. With Jason AI, its virtual SDR, Reply.io creates complete outreach sequences, generates personalized responses, and automatically books appointments.

Strengths

Complete multichannel automation (email, LinkedIn, SMS, calls, WhatsApp)
Jason AI: virtual SDR that generates and personalizes sequences
Unified inbox centralizing all conversations
Chrome extension for quick manual task execution

Limitations

High pricing for small teams (starting at €45/user/month)
Moderate learning curve for complex sequences
No native mobile application mentioned
Paid add-ons for LinkedIn and SMS (additional costs)

Pricing plans

14 jours d'essai complet
Accès à toutes les fonctionnalités
Sans carte bancaire
Support email

1 000 contacts actifs/mois
Boîtes aux lettres illimitées
Automatisation email
50 crédits Live Data/mois
Suite anti-spam et délivrabilité
Échauffement d'emails illimité

Tous les canaux (email, LinkedIn, SMS, appels, WhatsApp)
Contacts actifs illimités
Boîtes aux lettres illimitées
50 crédits Live Data/mois
Onboarding avec CSM
Rapport de performance équipe
Rapport d'efficacité des canaux
Export CSV des statistiques

SDR IA complet fonctionnant 24/7
Recherche de contacts en temps réel
Personnalisation IA
Réponses générées par IA
Opérations 10x plus d'opportunités
Conçu pour les power users

Synthesia

Create professional videos with AI avatars in minutes

Synthesia is the leading AI video generation platform. It enables creating professional videos with realistic AI avatars, without cameras or studios. Perfect for training, marketing, and internal communications, Synthesia transforms simple text into multilingual videos in just a few clicks. Over 60,000 companies, including 90% of the Fortune 100, use Synthesia to create video content at scale while reducing production costs by up to 80%.

Strengths

Ultra-realistic AI avatars with perfect lip sync
140+ languages and accents available
Intuitive interface, 90% of users publish without tutorial
One-click automatic translation to 80+ languages

Limitations

Avatars sometimes stiff, limited facial expressions
Video credits limited by plan
Custom avatars expensive ($1,000/year add-on)
Less suited for creative consumer content

Pricing plans

1 éditeur
9 avatars IA
3 minutes de vidéo/mois
Voix IA en 140+ langues
Templates de base

1 éditeur + 3 invités
+125 avatars Synthesia
Téléchargement des vidéos
Assistant vidéo
Doublage IA (120 min/an)
Suppression du logo Synthesia
Support chat/email

1 éditeur + 5 invités
5 avatars personnels
+180 avatars Synthesia
Doublage IA (360 min/an)
Pages vidéo personnalisables
Accès API
Plusieurs avatars par scène
Vidéos interactives
Support prioritaire

Minutes illimitées
Traduction 1-clic en 80+ langues
+230 avatars libres de droits
Avatars personnels illimités
SAML/SSO
Collaboration temps réel
Kits de marque
Export SCORM
Doublage IA (extension)
Intégration sur mesure
Services de déploiement
CSM dédié

Add a 3rd (⌘K)

General overview

Criterion	Reply.io	Synthesia
AI type	AI Enhanced	AI Native
Country of origin	🇺🇸 United States	🇬🇧 United Kingdom
Year founded	2014	2017
Supported languages	2 languages	140+ languages
Free plan	Yes	Yes
API available

Detailed comparison

Feature	Reply.io	Synthesia

AI Email Writing
Email Automation
Landing pages
A/B testing
Subscriber Limit
Email Templates
Email analytics
Segmentation
Social media scheduling
SMS Marketing
Google Ads Management
Meta Ads Management
Retargeting Campaigns
Prospecting Campaigns
Dynamic Product Ads
AI Bid Optimization
ROAS Tracking
Expert Support

Available

Not available

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