Suno AI's v4.5 model enhances AI music generation with:
- Expanded genres & mashups: More accurate genre adherence and creative combinations.
- Enhanced voices: Improved vocal range and emotional depth.
- Complex sounds: Captures subtle musical elements and details.
- Smarter prompt interpretations: Better understanding of descriptions for nuanced results.
- Prompt enhancement helper: Transforms genre ideas into detailed instructions.
- Upgraded cover & personas: Improved melodic detail and genre switching.
- Combined covers and personas: Remix voice, style, and structure.
- Faster creation: Substantially improved generation speed.
- Extended song length: Create songs up to 8 minutes long.
- Improved audio: Balanced mixes and reduced audio degradation.

