OpenSubs vs Seedance 2.5

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 Seedance 2.5
Detail	OpenSubs	Seedance 2.5
What it does	Free AI subtitle generator that runs entirely in your browser	Create stunning 4K stories through simple conversation with native 30-second AI video generation and audio-visual sync
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 trial: 30 credits for new users (no credit card required). Subscription plans: Basic $19.90/month, Standard $39.90/month, Pro $99.90/month (annual plans available with 40% discount). One-time credit packs: Starter, Creator, Professional, Advanced, Ultra, and Max packs available; one-time purcha
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	Native audio-visual synchronization with photorealistic sound effects
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	Native 30-second continuous single-shot generation breaking the 5-second barrier without unnatural stitching Native audio-visual synchronization synthesizing sound directly within latent space Support for up to 50 multimodal references with deep keyframing control Full commercial license for generated videos without watermarks
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	23 no change since last check
Trust Flow (Majestic)	10	5
Citation Flow (Majestic)	30	31
Referring domains (Majestic)	96	102

4 details filled in for both companies.

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