Summary

• v5: push for higher audio fidelity, more natural vocals, and tighter creative control (Pro/Premier beta).
• v4.5: faster generation, up to 8-minute songs, better prompt adherence, helper for richer prompts.
• v4.5+: co-creation features — Add Vocals, Add Instrumentals, Inspire — plus tighter Covers/Personas.
• Stems/Editor: Suno now advertises up to 12 stems, section rewrite/reorder, and extended uploads.

At-a-Glance Comparison

Practical guidance follows; see References for official feature notes.

Audio Fidelity & Mix

• v4.5 improved balance and artifact control and kept quality across longer pieces (up to 8 min).
• v5 aims for higher clarity and polish out-of-the-box. Expect less cleanup EQ/denoise.

Production tip

Start simple. If needed, add a short mix cue in Style (e.g., “clean, no harsh distortion”).

Vocals & Lyrics

• v4.5: stronger emotional range, better theme coherence, more reliable Personas/Covers.
• v4.5+: practical layering — generate vocals over an instrumental, or new instrumentals under a vocal.
• v5: more natural pronunciation and phrasing; stacked parts feel tighter.

Creator tip

Test key lyric lines first. In v5, phonetic hacks are less necessary, but validating names/terms is still smart.

Prompt Responsiveness & Control

• v4.5 added a one-click Prompt Enhancement helper and improved adherence to genre/mood/instruments.
• v4.5+ introduced Inspire (playlist-guided vibe) for consistent project direction.
• v5 shifts structural control into the song editor: reorder, rewrite, and remake sections by waveform.

Working method

1. Keep prompts concise; put structure in the editor.
2. Use Inspire for continuity across a set or EP.

Co-Creation (Upload Audio, Add/Replace Parts)

• Add Vocals: start from an instrumental (uploaded or generated) and generate topline + lyrics.
• Add Instrumentals: start from a vocal and build a backing track.
• Covers + Personas: combine for genre switches while keeping character.
• Uploads: Pro/Premier can upload up to 8 minutes (full songs, riffs, stems).

Stems, Editor & Post

• Stems: split into up to 12 parts (vocals, drums, bass, etc.) for remixing and DAW work.
• Editor: reorder/extend/replace sections; preview stems before download.

DAW workflow

1. Export stems.
2. Trim and crossfade between sections.
3. Balance vocals vs. instruments; light EQ/reverb.
4. Bounce final WAV/MP3.

Upgrade Path (v4.x → v5)

1. Draft with concise prompts; shape structure in the editor.
2. Lock your sound: save best takes to a playlist; use Inspire for cohesion.
3. Leverage co-creation: Add Vocals/Instrumentals to merge human and AI parts.
4. Export stems for final polish.