OpenSubs vs Chat Octopus

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 Chat Octopus
Detail	OpenSubs	Chat Octopus
What it does	Free AI subtitle generator that runs entirely in your browser	AI agent for content creators
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	US
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: 20 credits per day, no card required. Lite: $9/month with 1,000 credits per month. Starter: $19/month with 2,000 credits per month. Pro: $49/month with 6,000 credits per month. All prices in USD.
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	Video editing by natural language description Automatic subtitle generation in multiple languages Thumbnail creation from footage or text description Audio transcription with word-level timing Text-to-speech voiceover generation Motion graphics and animated sequences Document analysis and PDF processing Live progress visibility Video generation from text descriptions Multi-platform access via web, iOS, and Android
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	Natural conversation interface instead of complex editing timelines No watermarks on exported files Privacy-first processing with no model training on user content No video editing experience required Live progress visualization of every step
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)	33 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	10	0
Citation Flow (Majestic)	30	21
Referring domains (Majestic)	96	20

4 details filled in for both companies.

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