AI take on Gladia
As of August 2026, Gladia stands out for integrated speech intelligence and candid benchmarks, though model selection and contract review matter.
Video & Audio comparison · 2026
Gladia vs HeyGen
Compare Gladia and HeyGen as Video & Audio tools on fit, pricing, and the capabilities that actually overlap in 2026. Pick Gladia for teams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcripts. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Updated Aug 23, 2026
AI audio infrastructure that transcribes and enriches every conversation through a single API
Starts at $0.61/hour·Video & Audio
AI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
Starts at $0/month·Video & Audio
At a glance
GladiaHeyGen
CategoryVideo & AudioVideo & Audio
PricingStarts at $0.61/hourStarts at $0/month
Free tierYesYes
PlatformsWebWeb
Suitable forTeams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcriptsTeams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
CompanyGladia Inc.HeyGen Technology, Inc.
Founded——
How they differ
Shared Video & Audio rubric, filled from each listing. Not a score.
Speech
GladiaHeyGen
Text to speechNoYes
Speech to textYesLimited
Voice cloningNoYes
Voice libraryNoYes
Emotion / style controlNoYes
Pronunciation controlLimitedNot published
Languages
GladiaHeyGen
Multilingual outputYesYes
DubbingNoYes
Translated captionsYesNot published
Accent controlNoLimited
Speaker diarizationYesNot published
Video
GladiaHeyGen
Text to videoNoYes
Image to videoNoYes
Timeline editingNoLimited
AI avatarsNoYes
Lip syncNoYes
Auto captionsYesYes
Audio
GladiaHeyGen
Music generationNoNot published
Sound effectsNoNot published
Stem separationNoNot published
Noise reductionLimitedNot published
MasteringNoNot published
Delivery
GladiaHeyGen
Realtime / streamingYesNot published
Batch jobsYesNot published
Long-form rendersNot publishedLimited
Export formatsNot publishedNot published
No watermark on paidNot publishedNot published
Access
GladiaHeyGen
Public APIYesYes
Official SDKYesYes
Self-serve signupYesYes
Free trialNot publishedYes
Team workspaceNot publishedYes
SSO / SAMLNot publishedYes
Mobile appsNoNot published
Browser extensionNoNot published
Self-host / on-premNot publishedNot published
Commercial
GladiaHeyGen
Commercial licenseNot publishedNot published
Usage-based pricingLimitedYes
Invoice / PONot publishedNot published
SOC 2YesYes
GDPR / DPAYesYes
Audit logNot publishedNot published
Role-based accessNot publishedNot published
Features
These listings describe different capabilities. What each one ships:
Only Gladia
- Async batch transcription and real-time streaming from a single API
- 100+ supported languages with native code-switching mid-sentence
- Speaker diarization with speaker-level confidence and timestamps
- Word-level timestamps on every transcript
- Any-to-any translation returned alongside the transcript in the same API call
- Named entity recognition for names, companies, emails and dates
- Custom vocabulary spelling for domain jargon
- Context-aware punctuation, casing and numeral formatting
Only HeyGen
- Avatar V digital twin built from a 15-second reference video with consistent identity and natural motion
- Avatar IV photo-to-talking-avatar generation with 1280p+ output
- Character consistency across angles, expressions, and clip lengths from a single recording
- Phoneme-level lip-sync accuracy across 175+ languages and dialects
- Voice cloning that preserves tone and delivery in 175+ languages
- Video Translation from an uploaded file or a pasted YouTube link, with brand glossary and multi-lingual player
- AI Studio script-based editor with Voice Director, Voice Mirroring, Gesture Control, and Realistic Previews
- Video Agent prompt-to-finished-video generation with motion graphics, B-roll, and A-roll presenter footage
Use cases
These listings describe different use cases. What each one ships:
Only Gladia
- Powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio
- Building AI note-takers and meeting assistants that need diarized, summarized transcripts
- Transcribing and scoring contact center calls for CCaaS and BPO platforms
- Adding multilingual subtitles and captions to media and content platforms
- Feeding clean, entity-tagged transcripts into RAG pipelines and CRM automations
- Running sentiment and action-item extraction on sales calls without a second LLM hop
- Serving European customers that require EU data residency for voice data
- Replacing self-hosted Whisper deployments with a managed transcription endpoint
Only HeyGen
- Avatar V digital twin built from a 15-second reference video with consistent identity and natural motion
- Avatar IV photo-to-talking-avatar generation with 1280p+ output
- Character consistency across angles, expressions, and clip lengths from a single recording
- Phoneme-level lip-sync accuracy across 175+ languages and dialects
- Voice cloning that preserves tone and delivery in 175+ languages
- Video Translation from an uploaded file or a pasted YouTube link, with brand glossary and multi-lingual player
- AI Studio script-based editor with Voice Director, Voice Mirroring, Gesture Control, and Realistic Previews
- Video Agent prompt-to-finished-video generation with motion graphics, B-roll, and A-roll presenter footage
Plans
Gladia
Enterprise Custom/mo or Custom/yr
Annual plan with custom models, fine-tuning, and debundled pricing · Everything in Growth · Unlimited concurrent requests · Default model training opt-out · Zero data retention · Enterprise support SLAs · Premium support with dedicated Slack and Account Manager · Custom hosting · Limitless scaling
HeyGen
Free Plan $0/mo or $0/yr
Named in the HeyGen Terms of Service and confirmed on the homepage FAQ · Supports text-to-video and AI-generated video creation · Output licensed for personal, non-commercial, internal evaluation use only · One account per user; HeyGen may apply usage caps, storage limits, and rate limits at sole discretion
Creator Price not shown on the crawled pages/mo or Price not shown on the crawled pages/yr
Named as a paid plan in section 3 of the HeyGen Terms of Service · Users own User Input and User Output, including for commercial purposes · Individual creator tier per the HeyGen llms.txt description of paid plans
Pro Price not shown on the crawled pages/mo or Price not shown on the crawled pages/yr
Named as a paid plan in section 3 of the HeyGen Terms of Service · Commercial use rights to generated output · Advanced AI video creation and editor options per the homepage FAQ
Business Price not shown on the crawled pages/mo or Price not shown on the crawled pages/yr
Secure team workspaces · SSO · 5x generation capacity as advertised on the HeyGen Business page · Enterprise-ready governance and brand controls
Enterprise Custom/mo or Custom/yr
Dedicated workspaces · SSO and brand controls · SLA for large organisations · Data excluded from AI training by default · Custom pricing via the HeyGen enterprise pricing page
API (usage-based) Usage-based/mo or Usage-based/yr
Usage-based pricing for API access and developer integrations · Video Agent, Video Generation, Translation, and Lipsync endpoints · SDKs, CLI, webhooks, and MCP server access
Gladia strengths
- Gladia charges by audio hour rather than per seat, so cost tracks actual usage
- Gladia publishes multi-provider WER tables including datasets where Solaria-3 loses or regresses
- Gladia supports async and real-time work through the same endpoint, SDKs and credit wallet
- Gladia includes diarization, sentiment, translation and entity recognition without separate premium add-ons
- Gladia offers 50€ in free credits so a team can test before topping up
- Gladia documents GDPR, HIPAA, SOC 2 Type II, ISO 27001 and 100% EU data residency
- Gladia ships native connectors for Pipecat, LiveKit, Twilio, Retell, Zapier, Make and n8n
Watch-outs
- Gladia's 50€ credit grant is one-time with no monthly reset, so testing beyond roughly 80 hours of pre-recorded audio requires
- Gladia plan limits come from the published pricing table.
HeyGen strengths
- Avatar V digital twin built from a 15-second reference video with consistent identity and natural motion
- Avatar IV photo-to-talking-avatar generation with 1280p+ output
- Character consistency across angles, expressions, and clip lengths from a single recording
- Phoneme-level lip-sync accuracy across 175+ languages and dialects
- Voice cloning that preserves tone and delivery in 175+ languages
- Video Translation from an uploaded file or a pasted YouTube link, with brand glossary and multi-lingual player
- AI Studio script-based editor with Voice Director, Voice Mirroring, Gesture Control, and Realistic Previews
- Video Agent prompt-to-finished-video generation with motion graphics, B-roll, and A-roll presenter footage
Watch-outs
- 5x generation capacity as advertised on the HeyGen Business page
- HeyGen plan limits come from the published pricing table.
Gladia vs HeyGen verdict
Who each product is for, then labeled AI takes. Not a generic winner.
Bottom line
Pick Gladia for teams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcripts. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Who Gladia is for
Teams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcripts
AI audio infrastructure that transcribes and enriches every conversation through a single API
Who HeyGen is for
Teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
AI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
AI take on HeyGen
As of August 2026, HeyGen stands out for avatar consistency and translation, while its terms make plan selection and data handling worth close scrutiny.
Gladia vs HeyGen FAQ
Common questions when choosing between Gladia and HeyGen.
Is Gladia or HeyGen the better Video & Audio tool?
Pick Gladia for teams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcripts. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Which is cheaper, Gladia or HeyGen?
Gladia starts at $0.61/hour. HeyGen starts at $0/month. Confirm current pricing on each vendor site.
Who should choose Gladia?
Teams powering real-time transcription inside voice agents built on Pipecat, LiveKit or Twilio and building AI note-takers and meeting assistants that need diarized, summarized transcripts
Who should choose HeyGen?
Teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
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