AI take on Fish Audio
As of August 2026, Fish Audio stands out for script-level delivery control, though conflicting plan and capability claims weaken buying confidence.
Video & Audio comparison · 2026
Fish Audio vs HeyGen
Compare Fish Audio and HeyGen as Video & Audio tools on fit, pricing, and the capabilities that actually overlap in 2026. Pick Fish Audio for video narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole script. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Updated Aug 23, 2026
Expressive real-time AI text-to-speech, voice cloning, and speech-to-text built on the S2.1 Pro model
Starts at $0/month·Video & Audio
AI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
Starts at $0/month·Video & Audio
At a glance
Fish AudioHeyGen
CategoryVideo & AudioVideo & Audio
PricingStarts at $0/monthStarts at $0/month
Free tierYesYes
PlatformsWeb browser, REST API, On-premise deployment (Enterprise)Web
Suitable forVideo narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole scriptTeams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
CompanyHanabi AI Inc.HeyGen Technology, Inc.
Founded——
How they differ
Shared Video & Audio rubric, filled from each listing. Not a score.
Speech
Fish AudioHeyGen
Text to speechYesYes
Speech to textYesLimited
Voice cloningYesYes
Voice libraryYesYes
Emotion / style controlYesYes
Pronunciation controlNot publishedNot published
Languages
Fish AudioHeyGen
Multilingual outputYesYes
DubbingNot publishedYes
Translated captionsNot publishedNot published
Accent controlNot publishedLimited
Speaker diarizationYesNot published
Video
Fish AudioHeyGen
Text to videoNot publishedYes
Image to videoNot publishedYes
Timeline editingNot publishedLimited
AI avatarsNot publishedYes
Lip syncNot publishedYes
Auto captionsNot publishedYes
Audio
Fish AudioHeyGen
Music generationNot publishedNot published
Sound effectsNot publishedNot published
Stem separationNot publishedNot published
Noise reductionNot publishedNot published
MasteringNot publishedNot published
Delivery
Fish AudioHeyGen
Realtime / streamingYesNot published
Batch jobsNot publishedNot published
Long-form rendersYesLimited
Export formatsNot publishedNot published
No watermark on paidNot publishedNot published
Access
Fish AudioHeyGen
Public APIYesYes
Official SDKYesYes
Self-serve signupYesYes
Free trialYesYes
Team workspaceNot publishedYes
SSO / SAMLNot publishedYes
Mobile appsNot publishedNot published
Browser extensionNot publishedNot published
Self-host / on-premYesNot published
Commercial
Fish AudioHeyGen
Commercial licenseNot publishedNot published
Usage-based pricingYesYes
Invoice / PONot publishedNot published
SOC 2Not publishedYes
GDPR / DPANot publishedYes
Audit logNot publishedNot published
Role-based accessNot publishedNot published
Features
These listings describe different capabilities. What each one ships:
Only Fish Audio
- S2.1 Pro real-time text-to-speech model
- Inline emotion tags: [angry], [sad], [embarrassed], [emphasis], [whispering], [soft], [breathy], [excited]
- Special performance tags: [laughing], [chuckling], [clear throat], [sobbing], [crying loudly], [sighing], [panting], [groaning], [crowd laughing], [pause], [long pause]
- Voice cloning advertised at 15 seconds on the API section and as little as 10 seconds in the FAQ
- Speech-to-text with multispeaker labels, emotion tags, and natural language description
- Voice library with 2,000,000+ user-uploaded voices
- Voice Design access on Plus and above
- Public, private, and professional voice slots
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 Fish Audio
- Producing video voiceovers for YouTube, ads, and explainer content with scene-matched narration
- Narrating audiobooks with chapter-level control aimed at ACX/Audible specs
- Creating character voices and brand personas for games, animation, and interactive stories
- Giving customer support bots and virtual agents low-latency conversational speech
- Cloning a creator's own voice to produce narration without re-recording sessions
- Transcribing multi-speaker recordings with emotion tags for editing or subtitling
- Embedding speech synthesis into an app through the Fish Audio API
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
Integrations
These listings describe different integrations. What each one ships:
Only Fish Audio
- Fish Audio REST API
- Fish Audio SDKs for developers
- Stripe (payment processing)
- Google sign-in via third-party account credentials
- Voice Agent API for conversational applications
- GitHub (fishaudio open-source repositories)
Only HeyGen
Nothing exclusive in this list.
Plans
Fish Audio
Free Tier $0/mo or $0/yr
8,000 credits monthly · Up to 500 characters per generation · 3 public voice slots · Standard generation speed · Enhanced voice cloning · Commercial use · No credit card needed
Plus $15/mo or $66/yr
250,000 credits monthly · Up to 200 minutes generation · Up to 15,000 characters per generation · Unlimited public, 10 private voice slots · Priority generation on latest models · Access to Voice Design · 1 professional voice slot · Enhanced voice cloning · Commercial use allowed
Pro $100/mo or $450/yr
2,000,000 credits monthly · Up to 1,620 minutes generation · 3 team seats included · Up to 30,000 characters per generation · Unlimited voice slots · 5 professional voice slots · 7 days money back guarantee · Everything in Plus
Max $999/mo or $8988/yr
25,000,000 credits monthly · Up to 6,250 minutes generation · 10 team seats included · 15 professional voice slots · Everything in Pro
Enterprise Custom/mo or Custom/yr
Pay as you go with organization-level controls · Zero Data Retention · On-Premise Deployment · SOC2 Compliance · More Discount · Custom SSO (Coming soon)
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
Fish Audio strengths
- A $0 Free Tier with 8,000 monthly credits and no credit card required for testing S2.1 Pro
- Inline emotion and performance tags allow delivery changes mid-script instead of per-render only
- Public demo on the Fish Audio homepage generates audio before account creation
- Very large voice library of 2,000,000+ community-uploaded voices
- Plus at $5.5/mo billed annually is inexpensive for a 200-minute expressive TTS allowance
- Pro includes a 7-day money-back guarantee and 3 team seats
- Enterprise tier addresses compliance with zero data retention, on-premise deployment, and SOC2
- Open-source presence via the fishaudio GitHub organization
Watch-outs
- Vendor contradiction: the Free Tier plan card lists "Commercial use" while the homepage FAQ says the free plan is personal use only and the terms restrict unpaid use to personal, non-commercial use
- Vendor contradiction: the annual toggle promotes "3 months off + anniversary 50% off when billed annually" but the billing FAQ says yearly billing saves 33% versus monthly
- Vendor contradiction: cloning is advertised at 15 seconds in the API section and as little as 10 seconds in the FAQ
- Vendor contradiction on languages: 30+ languages in the API section, 8 named languages in the FAQ, and 8 languages in the meta description
- Unused minutes and credits do not roll over; monthly quotas reset at the start of each billing cycle
- Free Tier caps each generation at 500 characters, too short for long-form narration
- Credit math is indirect, with roughly 600 to 625 credits consumed per minute of generation
- Professional voice slots are rationed by tier (1 on Plus, 5 on Pro, 15 on Max)
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.
Fish Audio vs HeyGen verdict
Who each product is for, then labeled AI takes. Not a generic winner.
Bottom line
Pick Fish Audio for video narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole script. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Who Fish Audio is for
Video narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole script
Expressive real-time AI text-to-speech, voice cloning, and speech-to-text built on the S2.1 Pro model
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.
Fish Audio vs HeyGen FAQ
Common questions when choosing between Fish Audio and HeyGen.
Is Fish Audio or HeyGen the better Video & Audio tool?
Pick Fish Audio for video narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole script. Pick HeyGen for teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages.
Which is cheaper, Fish Audio or HeyGen?
Fish Audio starts at $0/month. HeyGen starts at $0/month. Confirm current pricing on each vendor site.
Who should choose Fish Audio?
Video narrators, audiobook producers, and game studios who need line-by-line emotion control in synthetic speech instead of one flat voice setting across a whole script
Who should choose HeyGen?
Teams that want aI avatar video creation, voice cloning, and lip-synced translation in 175+ languages
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