OpenSubs vs Hookai

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 Hookai
Detail	OpenSubs	Hookai
What it does	Free AI subtitle generator that runs entirely in your browser	Turn a photo into a vertical rap video with AI-generated vocals and beat
Stage	Not given	Startup
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).	Starter: $9.90 for 11 credits (≈$0.90 per credit); Creator: $29.90 for 50 credits (save 34%); Pro: $49.90 for 100 credits (save 45%); Studio: $199.00 for 900 credits (save 75%); Label: $499.00 for 3000 credits (save 82%). Subscriptions: Basic $29.90/month (100 credits), Pro $49.90/month (300 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	Photo upload and character cast Native rap audio generation with vocals and beat Face consistency and character lock AI lip-sync performance Multiple scene templates Adjustable video length (5-15 seconds) Multiple aspect ratios and resolutions Beat-aware video editing Customizable theme prompts
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	One-click generation from photo to finished rap video without separate editing Native vocals and beat included; no audio upload or lyric pasting required Video-optimized for short-form platforms (TikTok, Reels, Shorts) Replaces multi-step DIY workflow in single application Credits never expire; flexible pay-as-you-go or subscription pricing
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	5 +1 (up) since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	30	9
Referring domains (Majestic)	96	3

4 details filled in for both companies.

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