Bottom Line Up Front (BLUF): Suno V4.5 is the base model of the 4.5 generation. It already writes songs with vocals and lyrics from a short description, suits simple tasks well and remains the most affordable of the 4.5 versions.
V4.5 confidently makes typical songs: a chorus, verses, a clear melody. It does not follow complex descriptions as subtly as V4.5+, but it handles basic genres without any setup.
If you need a song from a single phrase and do not care about fine arrangement details — V4.5 is cheaper and more predictable than the bigger models.
The plus version follows detailed descriptions and complex arrangements more precisely.
Yes, custom mode lets you use your own lyrics and style.
Yes: over the 30 days of 8 Oct–7 Nov 2026, 19,617 completed generations were processed on NeuralSpace, 1,098 of them music tracks. Source: NeuralSpace internal database (anonymized aggregate counts only), processed 7 Nov 2026, N = 19,617.