SoCaptions vs MiniMax H3

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

SoCaptions compared with MiniMax H3
Detail	SoCaptions	MiniMax H3
What it does	AI video caption generator with word-level timing and MP4 export for short-form video platforms	2K video with native stereo audio in one pass
Stage	Not given	Startup
Founded	Not given	2026
Based in	PL	Not given
Pricing model	Freemium	Freemium
Pricing	Free tier: 5 minutes of transcription, edit-only (no export). Pro monthly: $5/month with 100 minutes of transcription and 100 minutes of MP4 export per month. Pro yearly: $50/year (pay 10 months, get 12).	On the Hailuo AI App: free tier and paid monthly plans (rates listed in app). On MiniMax Open Platform: billed per output second, with 2K tier priced above 768p tier. On this site: 18 credits per second at 768p and 29 credits per second at 2K, with annual plans showing 50% discount and various month
Key features	Word-level AI timing for precise caption synchronization AI transcription with automatic language detection (99 languages) Viral-ready caption presets (Bold Outline, Box, Cinematic, Karaoke, Emphasis, Animated) Burned-in MP4 export with no watermark SRT and VTT subtitle format export Drag-and-drop editor with word-level timing adjustment Fast transcription (12 seconds for 60-second clip) Support for large video files (up to 5 GB) Free subtitle conversion tools (SRT, VTT, ASS formats) Safe zone preview for TikTok and Instagram Reels	Multimodal reference input: images, video, and audio Context-IR token-based pricing variant Downloadable weights for local deployment H3-Contextual Omni Representation for modality bridging Up to 12 reference files with caption compression
What makes it different	Word-level caption timing instead of block-level for tighter rhythm and precise control No watermark on exported videos; clean MP4s ready to publish immediately Burned-in captions survive downloads, reposts, and all players without separate subtitle files Free tier with 5 minutes of editing; no credit card required to try 99-language auto-detection including mixed-language video support	Only model generating video and audio together natively 2K output at lower per-second rate than competitors Downloadable open weights available Accepts richer multimodal reference input than competitors
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)	5 −2 (down) since last check	15 −1 (down) since last check
Trust Flow (Majestic)	19	12
Citation Flow (Majestic)	14	21
Referring domains (Majestic)	47	43

5 details filled in for both companies.

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