SFXMint vs Runway

A 2026 side-by-side comparison of SFXMint and Runway — pricing, key features, platforms, API access, and the trade-offs of each, based on data collected from their official sites.

Tagline

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

Generative video and creative tools for filmmakers

Category

Pricing

Freemium
Freemium

Rating

0.0 (0)
0.0 (0)

Platforms

Web
WebiOS

API

Yes
Yes

Open source

No
No

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.

Runway offers Gen-3 text-to-video, image-to-video, and pro editing tools used by top studios.

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
  • Beat-synced cuts
  • LUT library
  • One-tap 4K 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.
  • State-of-the-art Gen-3 video model
  • Text-to-video and image-to-video
  • Motion brush and camera controls
  • Green-screen and rotoscoping
  • Frame interpolation
  • Text-to-3D features
  • Regular model releases
  • Used by pro studios

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.
  • Credit system gets expensive fast
  • Watermark on free tier
  • Short max clip length
  • Occasional visual artifacts
  • No native audio generation
  • Queue times during peak load
  • Complex UI for beginners
  • Shot-to-shot consistency limited

Pricing plans

Not disclosed
  • FreeUSD0/month
    • • Free forever
    • • For individuals looking to explore Runway's AI Tools
    • • Gemini 3 Pro
  • StandardUSD12/month
    • • Access to all models
    • • All AI images and video models (Gen-4.5, Nano Banana Pro, Aleph, Veo 3.1, and more)
    • • 4K Upscaling
    • • No watermarks
  • ProUSD28/month
    • • Everything in Standard
    • • Access to all models and audio tools
    • • For creators leveling up their craft
    • • All AI images and video models
  • MaxUSD76/month
    • • Everything in Pro
    • • Best value for heavy usage
    • • Credit roll over 1 mo.
    • • For teams scaling AI video production
  • Enterprise—
    • • For teams scaling AI video production
    • • Custom credits
    • • Enterprise-wide onboarding
    • • Custom team sizes

Which one should you pick?

  • Choose SFXMint if you need Over 10,300 CC0 sound effects.
  • Choose Runway if you need Beat-synced cuts.
  • On budget: SFXMint is freemium, Runway is freemium.