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SPECIFICTION
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IndexTTS vs Resemble AI

IndexTTS

github.com

Resemble AI

resemble.ai

Side by side

FigureIndexTTSResemble AI
Price fromFree$280/mo
Free planYesYes
Free trial—Yes
Open source——
WebYesYes
WindowsYesYes
macOS—Yes
LinuxYesYes
iOS—Yes
Android—Yes
APIYesYes
Self-hostedYesYes
Plans published17
Spec score · Text-to-speech tools8.9 (#22)9.4 (#4)
Spec score · Text-to-Speech Software8.8 (#23)9.0 (#15)
Spec score · AI voice cloning tools8.8 (#9)8.9 (#8)
Spec score · Voice Cloning Software8.8 (#6)8.9 (#5)
API accessYesYes
DeploymentThe project documents a local WebUI, a Python API, and production serving through a vLLM recipe.Enterprise deployments can run as managed SaaS, private cloud/VPC, hybrid or air-gapped on-premises installations.
Export formatsWAVWAV,MP3
Platformsweb,windows,linux,api,self_hostedweb,API,self-hosted
SupportThe README lists QQ groups, a Discord server, and [email protected] as community contact options.Enterprise solutions can include dedicated support, according to the pricing page.
Voice cloningYesYes

Plans

IndexTTS

  • IndexTTSFree

IndexTTS pricing →

Resemble AI

  • FlexFree
  • FlexFree
  • Team annual$280 a month
  • Team$350 a month
  • Business annual$800 a month
  • Business$1,000 a month
  • EnterprisePriced on request

Resemble AI pricing →

In their own words

IndexTTS

IndexTTS has no write-up on Specifiction yet; its figures are above.

Visit github.com

Resemble AI

Resemble AI provides tools for detecting AI-generated audio, video and images, with results that include a score, verdict and human-readable explanations. DETECT-World handles multimodal detection, while Resemble Intelligence explains detection results. PerTh Multimodal adds imperceptible watermarks and identifies its output as EU AI Act compliant. Resemble Meetings detects synthetic voices and faces in real time on major meeting platforms. Listed integrations include Zoom, Google Meet, Microsoft Teams, Webex, Genesys, Five9, Twilio, Salesforce and Snowflake. The service offers API access and official Node.js and Python SDKs. Deployment options include managed cloud, on-premises, private cloud or VPC, and hybrid environments. Listed security provisions include GDPR, ISO 27001, SOC 2 Type II, HIPAA-aligned data handling, zero-retention mode and air-gapped deployment. The company describes its offerings for developers and enterprises detecting AI fraud and protecting content. Flex costs nothing; Team costs $350 a month. Flex has one team seat and does not include large-file uploads of 150MB or more or batch uploads.

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