# Suno V4.5

> Suno V4.5 is available on Artifio.ai — a unified AI workspace with a single pay-as-you-go wallet.

- Canonical page: https://artifio.ai/models/suno-music-v4-5
- Run it: https://artifio.ai/create/suno-music-v4-5
- Modality: prompt to audio
- Model brand: suno
- Pricing: from about $0.060 per generation (exact cost shown in the workspace before you confirm; varies with selected options)
- Typical generation time: ~180s (catalogue estimate)
- Full pricing table: https://artifio.ai/pricing/models

## About Suno V4.5

Suno V4.5 is the May 1, 2025 successor to Suno V4 and the release Suno called its most expressive model to date. The headline change is length: a single generation grew from 4 minutes to 8 minutes without using Extend, and Suno says quality now holds from beginning to end of longer compositions. Genre coverage widened at the same time, with the model following style prompts more closely and handling mashups such as midwest emo with neo-soul or EDM with folk.

V4.5 launched for Suno's Pro and Premier subscribers while free users stayed on older models. Artifio runs it alongside 100+ other models in one workspace from a single wallet, pay-per-generation.

## Features

- Generates songs up to 8 minutes in a single pass, double the 4-minute cap of V4.
- Expanded genre list with better prompt adherence, including blended styles like punk rock, jazz house, or gregorian chant.
- Vocals with wider range and more emotional depth, from quiet intimate takes to belted deliveries with vibrato.
- A prompt-enhancement helper that expands rough genre tags into detailed style descriptions.
- Covers and Personas can be combined in one operation, remixing voice, structure, and style together.
- Faster generation and fuller, more balanced mixes than V4, per Suno's release notes.

## What people use it for

- Long-form pieces such as 6-8 minute progressive tracks, DJ intros, or ambient beds that previously needed multiple Extend steps.
- Genre-fusion experiments where two named styles have to read clearly in one song.
- Re-cutting an existing song into a new genre and voice in one step with the combined Covers plus Personas flow.
- Turning a two-word genre idea into a produced track by way of the prompt-enhancement helper.
- Soundtrack and podcast music where mix balance matters more than raw novelty.

## Reported strengths

- The 8-minute single-pass ceiling removed the main structural workaround (chained extends) from long-song workflows.
- Suno's documentation and Music Business Worldwide's coverage both single out the vocal upgrade: more depth, range, and controlled vibrato.
- Better prompt adherence, capturing mood and production detail rather than only genre keywords.
- Reduced shimmer and degradation artifacts compared with V4, giving cleaner sustained sections.

## Reported limitations

- Paid-tier exclusive at launch; free Suno users were left on V3.5 and V4, so most public comparisons skew to subscriber output.
- Like every Suno model, it generates the full mix in one pass; there is no stem-level control in the model itself.
- The training-data copyright suits from the major labels and the German collecting society GEMA were still open through its release cycle.
- Suno replaced it quickly: V4.5+ (July 2025) and V5 (September 2025) took over the top tier, leaving V4.5 as a mid-generation option.

## Sources

1. Introducing v4.5 (Suno): https://suno.com/blog/introducing-v4-5
2. What's new in V4.5 (Suno Help Center): https://help.suno.com/en/articles/5782593
3. Suno upgrades AI music generator with enhanced vocal capabilities, extended track length (Music Business Worldwide): https://www.musicbusinessworldwide.com/suno-upgrades-ai-music-generator-with-enhanced-vocal-capabilities-extended-track-length/
4. Suno Model Timeline & Information (Suno Help Center): https://help.suno.com/en/articles/5782721

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