OpenSubs vs Summata

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

OpenSubs compared with Summata
Detail	OpenSubs	Summata
What it does	Free AI subtitle generator that runs entirely in your browser	Summarize text from images and PDFs with AI-extracted text and key points
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Freemium
Pricing	Free: transcription, translation on-device, all 12 subtitle styles, word-by-word highlighting, trimming, burning into video, and all export formats. Credits: $5 for 1,000 credits for cloud translation (approximately 1 credit per 30 subtitle lines).	Free plan: 3 summaries per day. Pro Monthly: $19.90 per month with 300 summaries per month. Pro Annual: $199 per year with 300 summaries per month.
Key features	Speech recognition in the browser using Whisper Translation to 20 languages including Chinese, Japanese, Korean, Spanish, Portuguese, French, German, Italian, Russian, Arabic, Hindi, Indonesian, Thai, Vietnamese, Turkish, Polish, Dutch and Ukrainia Burn subtitles into MP4 without watermark Export to SRT, VTT, ASS and TXT formats Live subtitles over video playing in browser tabs via extension Support for multiple video formats including MP4, MOV, WebM and MKV No server processing—all work runs locally on user's machine	Extract text from JPG, PNG, WebP, and PDF formats up to 10 MB Three summary lengths: Short, Medium, and Detailed Handwriting recognition on whiteboards, notebooks, and sticky notes Copy extracted text and summary to clipboard Free plan supports PDFs up to 3 pages, Pro plan up to 5 pages Priority processing on Pro plan TXT and Markdown export on Pro plan Batch file processing on Pro plan Long summary option on Pro plan
What makes it different	100% browser-based with no uploads—the video never leaves your machine Completely open source under AGPL-3.0-or-later so you can verify the code Free forever for transcription, styling and burning—pay only for optional cloud translation No watermark, no file-size limit, no queue, and no account needed to try	AI understands visual context like headings and layout for better summaries No sign-up required for free summaries Files are not saved by Summata Get copyable extracted text and AI summary in one step
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	33 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	30	15
Referring domains (Majestic)	96	7

4 details filled in for both companies.

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