OpenSubs vs MiniMax H3

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 MiniMax H3
Detail	OpenSubs	MiniMax H3
What it does	Free AI subtitle generator that runs entirely in your browser	AI video generator for text, images, and 2K video creation
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Not given	Not given
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: 120 credits (one 4-second 768P test). Creator: $19/month for 2,000 credits. Pro: $49/month for 5,000 credits. Studio: $129/month for 14,000 credits. Generation costs 22.5 credits per second at 768P and 36.5 credits per second at 2K; a five-second render costs 113 credits at 768P or 183 credits
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	Text-to-video generation with 6 aspect ratios Image-to-video with first and optional last frame Duration control from 4–15 seconds 768P and 2K resolution output Native stereo audio directed with timeline Cost visibility before generation Task history and deliberate retry workflow Credit refunds for terminal failures Browser-based generation with no local setup Production-focused control for product, UI, and commercial content
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	Transparent credit-based pricing with exact cost calculated before submission Production-intent workflow combining text, frames, and detailed direction constraints Native stereo audio synchronised with visual timeline Directed 4–15 second commercial and interface animation capability Text handling within motion sequences and interface states
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)	34 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	2
Citation Flow (Majestic)	30	21
Referring domains (Majestic)	96	23

4 details filled in for both companies.

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