7.9Good
Forma Labs Filament is a real-time orchestration plugin that hosts up to 64 instruments and turns one keyboard performance into multi-part arrangements.
Plugin comparison
Forma Labs Filament vs Scaler 3
Specs, price and the Dubspot Score, side by side — with our verdict on which midi tool to buy.
Independent score / workflow fit / buying signal
Contenders
The side-by-side
8.6Great
Scaler 3 (Scaler Music) — chord and music-theory MIDI assistant. Score 8.6/10, price $99, formats and comparisons.
Score verdict
Which should you buy?
On the Dubspot Score, Scaler 3 comes out ahead (8.6). That said, the right pick depends on your workflow and budget — read both reviews before deciding.
Technical matrix
Specs compared
| Signal | Forma Labs Filament | Scaler 3 |
|---|---|---|
| Price | £149 | $99 |
| Dubspot Score | 7.9 | 8.6 |
| Formats | VST3, AU, standalone | VST3, AU, AAX |
| Type | Real-time orchestration engine / plugin host | — |
| Hosted instruments | Up to 64 VST3 or AU plugins per instance | — |
| Formats | VST3, AU, standalone | VST3, AU, AAX |
| Platforms | macOS and Windows | — |
| Price | £149 regular; launch promos have offered £99 | — |
| Activations | Up to three machines (per vendor policy at launch) | — |
| Product type | — | chord and music-theory MIDI assistant |
| Developer | — | Scaler Music |
| Typical price | — | $99 |
| Primary job | — | progressions and scale-aware writing |
| Catalog status | — | Current as of 2026 |
See the full plugin database for more comparisons.