AI Gazou® vs OpenSubs

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

AI Gazou® compared with OpenSubs
Detail	AI Gazou®	OpenSubs
What it does	Free AI image generation from Japanese text and reference images	Free AI subtitle generator that runs entirely in your browser
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Free	Not given
Pricing	Free trial with generated credits upon registration; credit requirements vary by model, resolution and quality settings, visible before generation.	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).
Key features	Japanese language prompts for image generation Multiple AI models including GPT Image and Nano Banana Adjustable aspect ratios and composition settings Reference image upload for style and composition guidance Prompt gallery with examples to learn from Customizable resolution and quality settings Image history and download functionality Background removal tool	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
What makes it different	Japanese-language prompt support eliminates need for English translation Iterative refinement workflow allows gradual adjustment of composition, color and style Gallery of example prompts helps users learn effective prompt writing without starting from scratch Credit system shows generation cost before processing, with automatic refund on failed attempts	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 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)	8 +1 (up) since last check	34 −1 (down) since last check
Trust Flow (Majestic)	21	10
Citation Flow (Majestic)	18	30
Referring domains (Majestic)	43	96

4 details filled in for both companies.

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