These machines do NOT share a basket size: the Breville Barista Express uses 54mm and the Breville Oracle uses 58mm. Baskets and portafilter accessories are not interchangeable between them.
| Breville Barista Express | Breville Oracle | |
|---|---|---|
| Portafilter diameter | 54mm | 58mm |
| Basket type | both | non-pressurized |
| Grouphead standard | proprietary 54mm | 58mm |
| Verification | verified | verified |
None — the two machines use different portafilter sizes.
Full sourced entries: Breville Barista Express · Breville Oracle