SFX Engine vs BibiGPT

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

SFX Engine compared with BibiGPT
Detail	SFX Engine	BibiGPT
What it does	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds	Turn a 1-hour video into a 3-minute read — AI video summary, mind map, and transcript in one click
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Starter: $10/month or $8/month billed yearly for 500 credits. Creator: $25/month (50% off first month) or $20/month billed yearly for 4,000 credits. Pro: $90/month (50% off first month) or $72/month billed yearly for 15,000 credits. Each sound effect costs 3 credits. Browsing and downloading from th	Free tier with daily quota and 30-minute video length limit. Plus $19.8/mo (or $142.56/year). Pro $34.8/mo (or $250.56/year) with vision, batch processing, and API access. Lifetime $888 (limited). Pay-as-you-go credits from $20 (2,000 credits) to $200 (40,000 credits, 50% off per credit).
Key features	AI sound effect generation from text descriptions Sound effects up to 47 seconds long Background music creation DJ transition maker Stem splitter for music Royalty-free commercial license included Free public library of pre-made sounds API access on all plans Voiceover generation	Transcript extraction with timestamps AI-generated summaries and chapter outlines Mind map generation AI chat and Q&A over content Support for 30+ video and audio platforms Local file upload (mp3, mp4, m4a, wav, srt, vtt, ass) Export to Notion, Obsidian, and flomo Subtitle translation and burn-in Visual content analysis for slides and charts Article rewriting (video to social posts)
What makes it different	Generated sound effects are royalty-free for commercial use without licensing fees Sounds created from text descriptions are unique to your project Generate sounds in 5-15 seconds typically Supports diverse use cases including games, video, podcasts and music production Cancel anytime with no long-term commitment	Covers both Chinese and international platforms uniquely All-in-one output: summary, transcript, mind map, and chat in one click Completely free to try with generous daily quota Agent-native with MCP, OpenAPI, and Anthropic Skill integration Strict data privacy with 30-day auto-deletion and no unauthorized training
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)	40 +1 (up) since last check	56 no change since last check
Trust Flow (Majestic)	26	25
Citation Flow (Majestic)	42	55
Referring domains (Majestic)	850	1041

5 details filled in for both companies.

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