Seed Audio 1.0 vs Captions Generator

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

Seed Audio 1.0 compared with Captions Generator
Detail	Seed Audio 1.0	Captions Generator
What it does	AI audio generator for creating dialogue, music, sound effects, and complete sound scenes from text, image, or audio prompts	AI caption and subtitle generator that adds captions to videos in seconds with no watermark
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Not given
Pricing	Free: 10 free credits (up to ~8 seconds per generation). Pro monthly: $19.99/month (2,500 credits, up to ~33 minutes). Max monthly: $49.99/month (7,500 credits, up to ~100 minutes). Pro yearly: $16.66/month billed annually (30,000 credits/year, up to ~400 minutes). Max yearly: $41.66/month billed an	Free: 30 minutes of captions per month, 1080p MP4 export up to 3 minutes, 8 caption styles, SRT/VTT/TXT downloads up to 30 minutes, free translation into 100+ languages. Pro: $6.99/month (limited-time price, normally $9.99) or $59/year, unlimited captions on videos up to 90 minutes, all 22 caption s
Key features	Multimodal input: text prompts, image references, and up to 3 audio references Multi-speaker dialogue generation with emotion and accent control Voice cloning from reference audio up to 30 seconds Background music and sound effects generated in one pass Audio generation up to 2 minutes per scene Image-guided voice generation from character appearance and traits Fine timestamp control over dialogue timing API access included with all paid plans Emotion and expressiveness control through natural language prompts	Automatic speech transcription in 100 languages with automatic language detection SRT, VTT and TXT subtitle file downloads Free translation into 100+ languages Copy caption style from screenshot functionality Bilingual captions showing two languages simultaneously on Pro Video processing entirely in browser with audio-only server transmission for privacy Word-level timing synchronization for precise caption timing
What makes it different	Complete sound scenes in one pass instead of separate tools for voice, music, and effects Built for production workflows beyond simple narration Coordinated multi-character dialogue without manual alignment and mixing Scene-level audio creation with ambience and music support	Fastest among 10 tested caption tools, 6.7× faster than CapCut and 4.7× faster than VEED Highest accuracy with 5.7% word error rate in October 2026 accuracy test of 8 caption tools Video stays entirely private with only audio sent for transcription
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)	32 −1 (down) since last check	27 −1 (down) since last check
Trust Flow (Majestic)	21	13
Citation Flow (Majestic)	33	28
Referring domains (Majestic)	145	55

4 details filled in for both companies.

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