# 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-plus
- Run it: https://artifio.ai/create/suno-music-v4-5-plus
- 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 July 18, 2025 update to Suno's V4.5 music model, released for paid subscribers. Rather than a raw quality jump, the plus release is about production workflows: it added Add Vocals, which layers a sung performance onto an instrumental you generated or uploaded, and Add Instrumentals, which builds a backing track around a recorded vocal from a text prompt. A third feature, Inspire, generates new audio in the vibe of songs from Suno playlists.

Press coverage framed V4.5+ as part of Suno's turn toward working musicians, following its acquisition of the browser DAW WavTool and the hiring of a Chief Music Officer from Warner's Atlantic Records. CEO Mikey Shulman described the release as new workflows that change how music gets made. On Artifio it sits in the same pay-per-generation workspace as 100+ other models.

## Features

- Everything in V4.5, including single-pass songs up to 8 minutes and the expanded genre list.
- Add Vocals: turns an instrumental, uploaded or generated, into a full song by layering vocals on top.
- Lyric-level swapping in Add Vocals, replacing individual words or whole lyric sections.
- Add Instrumentals: builds an AI backing track around user-recorded vocals or vocal stems, steered by a text prompt.
- Inspire: generates fresh audio modeled on the feel of songs in a user-curated Suno playlist.

## What people use it for

- Singer-songwriters recording a vocal on a phone and getting a produced backing track around it.
- Producers with a finished instrumental who want a topline vocal and lyrics added.
- Swapping a hook or a verse lyric in an otherwise finished generated song without regenerating it.
- Starting a track from a playlist mood instead of a written prompt via Inspire.
- Long-form songs up to 8 minutes carried over from the V4.5 base model.

## Reported strengths

- The vocal and instrumental layering tools accept user-recorded audio, so human performances can anchor a generated production.
- Music Ally and Music Business Worldwide both read the release as Suno's most musician-oriented update to that point, with tooling beyond one-shot prompting.
- Inherits V4.5's length ceiling, genre accuracy, and vocal range rather than trading them for the new workflow features.
- Word-level lyric swaps make small fixes cheap compared with regenerating a whole track.

## Reported limitations

- Paid-subscriber feature set at launch; free users did not get V4.5+ until it was rebranded v4.5-all in October 2025.
- The workflow tools operate through Suno's own pipeline; there is no exposed stem mixing at the model level, which Suno positioned its later Studio product to address.
- Released while copyright suits from the major labels and GEMA were still pending, an unresolved backdrop for commercial use of outputs.
- Version-specific audio-quality benchmarks are thin: Suno documented V4.5+ as a feature release on the V4.5 model rather than publishing new fidelity numbers.

## Sources

1. Suno is getting more advanced, as AI music generator launches v4.5+ update with 'previously unimaginable' production capabilities (Music Business Worldwide): https://www.musicbusinessworldwide.com/suno-is-getting-more-advanced-as-ai-music-generator-launches-v4-5-update-with-previously-unimaginable-production-capabilities/
2. Suno's latest update lets users add vocals and instrumentals (Music Ally): https://musically.com/2025/07/18/sunos-latest-update-lets-users-add-vocals-and-instrumentals/
3. Suno Model Timeline & Information (Suno Help Center): https://help.suno.com/en/articles/5782721

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