Gladia records 232,451 monthly visits with +6.4% month-over-month growth and Freemium, Contact for Pricing pricing. HeyGen records 7,000,070 monthly visits with +9.4% growth and Freemium pricing.
Speech-to-text and audio intelligence API for production voice products
Turn scripts into studio-quality AI avatar videos in minutes
| Dimension / Metric | | |
|---|---|---|
| Official Domain | gladia.io | app.heygen.com |
| Pricing Model | Freemium, Contact for Pricing | Freemium |
| Monthly Visits | 232.45K (232,451) | 7M (7,000,070) |
| MoM Traffic Delta | +13.91K (+6.4%) | +599.16K (+9.4%) |
| Primary Market & Share | 🇧🇷 Brazil (22.1%) | 🇺🇸 United States (18.5%) |
| Direct Visits / mo | 128.52K | 4.1M |
| User Rating | 4.4 | 4.8 |
| Supported Platforms | Website | Website |
Speech-to-text and audio intelligence API for production voice products
Stream audio over WebSocket for live captioning or submit files via REST for batch transcription, supporting MP3, WAV, FLAC, Opus, and most other formats.
Automatic, accent-sensitive language detection across 100+ languages, including code-switching for conversations that move between languages mid-sentence.
Speaker diarization, named entity recognition, PII redaction, sentiment analysis, and summarization, each billed only when you enable it.
Feed transcripts directly into a large language model, either Gladia-hosted or a model you bring yourself (BYOM), to generate summaries and structured outputs.
Turn scripts into studio-quality AI avatar videos in minutes
Choose from 500+ stock presenters, use photo avatars, or train a custom Video Avatar that looks and sounds like you, then generate narrated videos straight from a script.
Localize one recording into 175+ languages and dialects with editable scripts, brand glossaries, voice switching and proofreading seats for native-language review.
An agentic workflow expands ideas into finished videos, with access to leading generative models for video and image generation on higher plans.
Add quizzes, branching and decision points, embed videos by link, and export SCORM packages so content drops straight into corporate learning systems.
SpecialistProvides Whisper via API for robust speech-to-text, but lacks specialized real-time streaming audio intelligence pipelines.
SpecialistProvides Whisper via API for robust speech-to-text, but lacks specialized real-time streaming audio intelligence pipelines.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistAll-in-one mobile and web video editor equipped with built-in AI avatar and captioning tools.
SpecialistProvides industry-leading voice cloning and speech synthesis for realistic avatar narration.
SpecialistProvides industry-leading voice cloning and speech synthesis for realistic avatar narration.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
SpecialistOffers browser-based video creation with AI avatar and voice generation tools.
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Provides accessible AI avatar video creation and talking-head templates, featuring a generous free tier but simpler editing tools.
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
Industry-leading AI avatar creator focusing on corporate training and presentations, though with a different template selection and pricing structure.
Specializes in ultra-low latency streaming voice infrastructure, though heavily optimized for voice synthesis.
Specializes in ultra-low latency streaming voice infrastructure, though heavily optimized for voice synthesis.
Provides ultra-fast, enterprise-grade real-time speech-to-text and voice AI APIs, but with different pricing tiers.
Provides ultra-fast, enterprise-grade real-time speech-to-text and voice AI APIs, but with different pricing tiers.
SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
SpecialistSpecializes in interactive conversational video agents with personalized memory, going beyond HeyGen's pre-rendered presenter videos.
Offers cost-effective batch transcription APIs powered by distributed cloud hardware rather than dedicated streaming infrastructure.
Offers cost-effective batch transcription APIs powered by distributed cloud hardware rather than dedicated streaming infrastructure.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.
Focuses on real-time conversational digital humans and talking-head videos, offering stronger interactive capabilities than HeyGen's studio builder.
Delivers comprehensive audio intelligence and transcription APIs, though Gladia often excels at speed and multilingual support.
Delivers comprehensive audio intelligence and transcription APIs, though Gladia often excels at speed and multilingual support.
