OpenSubs vs MiniMax H3 AI Video Generator

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 AI Video Generator
Detail	OpenSubs	MiniMax H3 AI Video Generator
What it does	Free AI subtitle generator that runs entirely in your browser	Create videos with AI from text or images, up to 2K resolution with synced audio
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: 1× 5s 768P video after sign-up. Credit packs: Starter $9.9 (500 credits), Pro $29.9 (1,800 credits), Studio $79.9 (5,600 credits). Monthly subscriptions: Basic $9.9/mo (600 credits), Professional $29.9/mo (2,000 credits), Ultimate $59.9/mo (4,500 credits). Yearly plans available at 15% discoun
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: convert written prompts into motion clips Image to video: add motion and camera effects to uploaded frames Up to 2K resolution output Synced audio generation in output clips LoRA adapters for style control Customizable aspect ratios and duration Multimodal reference mode with video and audio URLs Motion Control with reference clips
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	Free tier available with one 5-second 768P video after sign-up, no watermarks on paid plans Up to 2K resolution with synced audio included in generations Credit-based system works for both video and image generation tools Optional end frame controls for image to video to steer final composition Commercial use rights available with paid plans
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	10 −3 (down) since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	30	22
Referring domains (Majestic)	96	6

4 details filled in for both companies.

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