Onyx vs Rev

A side-by-side comparison of features, pricing, and characteristics.

Onyx

Onyx is an open-source AI chat interface connected to your company's documents, applications, and team members.

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Rev

Rev provides a legal AI platform combining transcription and evidence analysis to accelerate case review.

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AttributeOnyxRev
Pricing typeFree + paid (from $20/mo)Free + paid (from $25.49/mo)
Korean supportNoNo
Platformsweb, mobile, desktop, apiWeb, iOS, Android
Open sourceYesNo
API availableAvailableAvailable
SDKAvailableAvailable
LLM-basedYesYes
MultimodalYesYes
AI modelGPTReverb ASR, Reverb Turbo, Reverb Diarization, OpenAI Whisper
GitHub Stars32.0K-
VendorOnyxRev
CategoryCommunicationCommunication
DetailsView View

Onyx key features

  • Connects to documents and apps (Drive, Slack, GitHub)
  • Open-source with self-hosting and code transparency
  • Deep Research, code interpreter, and web search
  • Real-time sync with fine-grained access controls

Rev key features

  • AI and Human Transcription with high accuracy
  • Legal evidence analysis and contradiction detection
  • Secure dictation and cross-file examination