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OpenCaptions vs Viewcat

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenCaptions compared with Viewcat
DetailOpenCaptions logo OpenCaptionsViewcat logo Viewcat
What it doesFree, open-source video captions you control AI-native video editor that combines AI chat editing with a full manual timeline editor
StageStartup Startup
Founded2026 Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree app (1080p at 30 fps), Pro one-time purchase 14.99 €, self-hosting free Manual editor is free forever. AI features require a paid Viewcat plan. Viewcat costs less than $1 of credits per Reel.
Key features
  • Transcription with Whisper, Parakeet, or Apple Speech
  • Word-by-word animated captions
  • Caption styling and correction
  • Export as MP4, WebM, ProRes, SRT, VTT or JSON
  • iPhone app with on-device transcription
  • Self-hosted Docker deployment
  • HTTP API for scripts and pipelines
  • Integration with Claude, Cursor and MCP clients
  • Support for 13 interface languages
  • GPU acceleration optional for faster transcription
  • AI chat editor: describe edits and fix any part by hand
  • Recreate any creator's editing style from their videos
  • AI editing skills: /cleanup, /order-clips, /match-recording
  • AI clipping: turn long videos into viral vertical clips
  • Animated story shorts from a topic
  • Auto captions with animation and styling
  • AI thumbnails and Reel covers
  • Full timeline video editor on your PC
  • 39 effects and 37 transitions, GPU-fast
  • AI voiceover with 28 natural English voices
What makes it different
  • Open source with Rust engine shared across browser, app and server
  • No uploads: iPhone app transcribes on device, self-hosted keeps videos local
  • Free with one-time Pro purchase, no subscription required
  • Run on your own server with Docker, no dependency on external services
  • Agent integration for video captioning from Claude and other AI tools
  • Built-in professional editing skills (cleanup, ordering, recording sync) instead of starting from scratch
  • Edit any part by hand when AI makes a mistake, with one-click undo instead of re-prompting
  • Under $1 per Reel with AI, versus $20 from a human editor
  • Use your own Claude or Codex plan via MCP connection
  • Recreate any creator's style without buying their course
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

6 details filled in for both companies.

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