SFXMint vs Synthesia

Tagline

Copyright-clean CC0 sound effects library with API and MCP server integration for AI coding assistants.

Create studio-quality AI avatar videos

Category

Pricing

Rating

Platforms

API

Open source

Description

SFXMint provides a copyright-clean sound effects library of over 10,300 sounds created by open-source AI models and procedural synthesis. Released under the CC0 1.0 public domain dedication, these sounds can be used in commercial games, videos, podcasts, and apps with no attribution. It also features a Sound Effects API and MCP server, enabling AI tools like Claude Code, Cursor, and Codex to search, preview, and download sounds directly into projects.

Synthesia generates videos with realistic AI avatars in 140+ languages without cameras.

Key features

• Over 10,300 CC0 sound effects
• 10 free MP3 downloads per day without signup
• Lossless WAV files available on paid tiers
• JSON REST API for searching and role lookups
• MCP server integration for Claude Code, Cursor, and Codex
• Permanent URLs allowing direct hotlinking
• ZIP packs of complete sound sets
• Factual validation of format, length, loudness, and peak level

• Shot lists
• Camera notes
• PDF export

Pros

• All sounds are released under the CC0 1.0 license, making them free for commercial use with no attribution required.
• Users can download up to 10 free MP3 files a day directly from the website without registering an account.
• Integrates directly with AI coding tools like Claude Code, Cursor, and Codex through an MCP server and JSON API.
• Audio files feature permanent and immutable URLs, allowing users to hotlink them directly into web projects.
• The API can be tested for free without a key, offering up to 20 lookups and 5 downloads a day.
• Paid download packages are one-time payments that do not automatically renew.
• Lossless WAV files and clean loop capabilities are available on the paid unlimited tiers.
• Every audio file is individually validated for format, length, loudness, and peak levels.

• 230+ AI avatars
• 140+ languages
• Custom avatars available
• No cameras or studios needed
• Enterprise SSO and SOC 2
• Templates library
• API access
• Team collaboration

Cons

• SFXMint has stopped generating new sounds, and credit packs are no longer available for purchase.
• Free web downloads are capped at a maximum of 10 MP3 files per day.
• Purchases are final and non-refundable, except in rare scenarios if the library or API is shut down.
• Lossless WAV file downloads and ZIP packs are locked behind paid tiers.
• API usage with a free account's key is restricted to 100 lookups and 20 downloads a day.

• Avatars can feel uncanny
• No free tier
• Subscription is expensive
• Requires script preparation
• Lip-sync varies by language
• Not for live video
• Custom avatars are costly
• Default look is very corporate

Pricing plans

• BasicUSD0/month
  • • try for free
  • • Quickly start creating AI videos
  • • Create videos in 160+ languages
  • • No credit card required
• StarterUSD29/month
  • • Create AI videos with your own Personal Avatar
  • • What you get in Basic +
  • • Custom on-brand Avatars
  • • Try for FREE
• StarterUSD18/month
  • • Create AI videos with your own Personal Avatar
  • • What you get in Basic +
  • • Custom on-brand Avatars
  • • Try for FREE
• CreatorUSD89/month
  • • Produce AI videos regularly with your team
  • • What you get in Starter +
  • • 5 Personal Avatars
  • • For teams
• CreatorUSD64/month
  • • Produce AI videos regularly with your team
  • • What you get in Starter +
  • • 5 Personal Avatars
  • • For teams
• Enterprise—
  • • What you get in Creator +
  • • Unlimited Personal Avatars
  • • Live team collaboration
  • • Dedicated Customer Success team

Website