Free Spitfire instrument plugin/library set, being sunset in favor of subscription-based Splice INSTRUMENT.
VST3supportedAUsupportedAAXsupportedCLAPnot supportedWINsupportedMACsupportedLNXnot supported
Checked September 2026
Spitfire LABS is best for producers wanting free, high-quality Spitfire-recorded instruments (legacy plugin, being discontinued Oct 31 2026); Omnisphere 3 is best for sound designers and composers wanting a massive, flagship-tier synth library and engine. Spitfire LABS starts at Free and Omnisphere 3 at $499 one-time.

Free Spitfire instrument plugin/library set, being sunset in favor of subscription-based Splice INSTRUMENT.

Spectrasonics
Flagship Spectrasonics synthesizer combining multiple synthesis types in one instrument.
| Spitfire LABS | Omnisphere 3 | |
|---|---|---|
| Best for | producers wanting free, high-quality Spitfire-recorded instruments (legacy plugin, being discontinued Oct 31 2026) | sound designers and composers wanting a massive, flagship-tier synth library and engine |
| Starting price | Free | $499 one-time |
| Free version | Yes | No |
| Free trial | — | — |
| Formats | VST, VST3, AU, AAX | Standalone, VST3, VST2, AU, AAX |
| OS | Windows, macOS | Windows, macOS |
| Key features | Free curated instrument packs, Dedicated lightweight plugin host, Recordings from top studios and artists, Continues to work standalone after the sunset date | Hybrid synthesis (sample + granular + FM), Massive built-in sound library, Hardware/software integration, Extensive modulation and effects |
| Developer | Spitfire Audio | Spectrasonics |