SFX Engine vs Luma

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 Luma
Detail	SFX Engine	Luma
What it does	AI sound effect generator that creates royalty-free SFX from text descriptions in seconds	AI agents for creative work that generate, understand, and operate in the physical world
Stage	Not given	Established
Founded	Not given	2021
Based in	Not given	US
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	Individual plans: Plus $30/month ($300/year) with 10,000 credits, Pro $90/month ($900/year) with 40,000 credits, Ultra $300/month ($3,000/year) with 150,000 credits. Business plans available with team management, SSO, and analytics. Video generation costs range from 20 credits/5 sec at 360p to 1200
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	Multimodal creative workspace for image, video, audio, and text Ray3.2 video generation model with direct frame control and cinematic quality Uni-1 brand intelligence model for consistent visual generation Brainstorm Mode for conceptual planning without media generation Create Mode for generating images, video, audio, and text Team collaboration with shared credits and project organization Luma Skills for building and reusing creative workflows Export capabilities including EXR files for professional workflows Video localization with natural voiceovers and synced visuals Automatic model selection by Luma Agent or manual model choice
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	End-to-end creative workflows with shared context across all formats and team members Frontier research models built in-house and shipped directly to creative professionals Brand intelligence at the model level that maintains visual consistency Parallel collaboration allowing teams and agents to work simultaneously Physical AI and robotics research through Open Physical AI Lab
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	80 no change since last check
Trust Flow (Majestic)	26	27
Citation Flow (Majestic)	42	51
Referring domains (Majestic)	850	12139

5 details filled in for both companies.

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