Suno says v6 was built from scratch; Sony and Universal allege continuing infringement
Suno describes v6 as trained from scratch and disputes a new copyright lawsuit. Sony and Universal plaintiffs allege that training on earlier models' outputs or transferring their learned behavior continues the infringement they allege against those models.
Case period:
Published by The Dispute Index editorial teamPublished Updated
Overview
Suno launched v6 in September with licensing partnerships and described its training as a fresh build. The labels' September 18 complaint alleges that the new models still derive from recordings used without permission, including through synthetic outputs, preference data or model-transfer techniques. Those technical and legal allegations have not been established by the complaint.
Suno disputes the claims and says v6 uses licensed content, user creations, preference signals and its team's accumulated learning. Whether v6 was trained from scratch and whether its uses of recordings infringe copyright are separate questions. The dispute turns on what was copied, how earlier models or outputs were used, and whether those uses infringe copyright. At launch, Suno told Music Business Worldwide that user data meant preference data rather than user-uploaded audio. The later company statement also named community creations as training material.
Timeline
3 timeline entries on this page. Dates: September 9, 2026 to September 22, 2026
September 2026
Suno launches v6 and describes its training
Source release
Suno launches v6 with licensing partners and describes its training as entirely from scratch.
[01]Suno launches v6 and describes its training
Suno's chief product officer describes the new models, licensed partnerships and the training process.
Suno launches v6 and describes its trainingJack Brody quotations on v6 training data and music-industry partnershipsLabels file a second Suno lawsuit
Claim
Sony and Universal plaintiffs file a new complaint alleging unlicensed copying and continuing infringement involving v6. The filing makes allegations rather than findings.
[02]UMG Recordings and Sony Music plaintiffs v. Suno: complaint
The labels allege unlicensed copying and continuing infringement through synthetic outputs or transfer from earlier models. These are allegations in a complaint.
UMG Recordings and Sony Music plaintiffs v. Suno: complaintNo. 1:26-cv-14275, paragraphs 45-49 and claims for reliefSuno describes v6 training in response to the suit
Reaction
Suno disputes the lawsuit and says v6 uses licensed content, community creations and preference signals.
[03]Suno responds to the new Sony and Universal lawsuit
Suno disputes the claims and says v6 uses licensed content, community creations and preference signals.
Suno responds to the new Sony and Universal lawsuitCompany response in opening paragraphs
Claims
Claims separate what was said from what is contested. Follow each source for the original wording and context.
What's disputed
Disputed claim
Suno
The new copyright claims against Suno, including the theory that v6 continues infringement through earlier models, are flawed on the facts and the law.
Sources (1)
- Suno responds to the new Sony and Universal lawsuitCompany response in opening paragraphs
Response record
Responses
Choose one response filter, or select All responses to see the full record.
3 responses. Newest first.
SunoCompany statement reported by Music Business Worldwide on September 22Directly involvedBefore this statement
The statement responds to the labels' September 18 lawsuit.
"These claims remain fundamentally flawed on both the facts and the law"
Defended or excusedCase context: Suno says v6 was built from scratch; Sony and Universal allege continuing infringement
Full statement and sources
Suno disputes the new lawsuit and says v6 combines licensed content with community creations and preference signals.
After the statement
Suno describes its training inputs and argues that its service enables people to make new music.
Suno responds to the new Sony and Universal lawsuitCompany response in opening paragraphsWhy this label?
The company defends the challenged training and rejects the infringement claims.
This label describes the statement's response within the context above.
Sony Music EntertainmentSony Music Entertainment, as a plaintiff in the joint complaintDirectly involvedBefore this statement
The complaint describes these theories in paragraphs 45-49 and 113.
"Action: Filed a joint complaint alleging continuing infringement through earlier models' outputs, transfer of learned behavior, and retained copies of recordings used in developing v6."
CondemnedCase context: Suno says v6 was built from scratch; Sony and Universal allege continuing infringement
Full statement and sources
Sony Music plaintiffs argue that v6 retains the consequences of earlier unlicensed training. Universal plaintiffs join the same allegations.
After the statement
The complaint seeks relief for alleged copying and circumvention. Its technical allegations are pleaded on information and belief.
UMG Recordings and Sony Music plaintiffs v. Suno: complaintNo. 1:26-cv-14275, paragraphs 45-49 and claims for reliefWhy this label?
Sony opposes the training practices at issue. This is one joint filing, also made by Universal plaintiffs.
This label describes the statement's response within the context above.
UMG Recordings, Inc.UMG Recordings, Inc., plaintiff in the joint complaintDirectly involved Before this statement
The complaint describes these theories in paragraphs 45-49 and 113.
"Action: Filed a joint complaint alleging continuing infringement through earlier models' outputs, transfer of learned behavior, and retained copies of recordings used in developing v6."
CondemnedCase context: Suno says v6 was built from scratch; Sony and Universal allege continuing infringement
Full statement and sources
UMG Recordings and fellow Universal plaintiffs join the allegations that v6 continues infringement through earlier models or retained recordings.
After the statement
The complaint seeks relief for alleged copying and circumvention. Its technical allegations are pleaded on information and belief.
UMG Recordings and Sony Music plaintiffs v. Suno: complaintNo. 1:26-cv-14275, paragraphs 45-49 and claims for reliefWhy this label?
Universal plaintiffs oppose the training and copying practices challenged in the case.
This label describes the statement's response within the context above.
Sources
(3)
Original text
UMG Recordings and Sony Music plaintiffs v. Suno: complaint
Relevant passage: No. 1:26-cv-14275, paragraphs 45-49 and claims for relief
About this source
The labels allege unlicensed copying and continuing infringement through synthetic outputs or transfer from earlier models. These are allegations in a complaint.
- Published
- Accessed
Reporting
Suno responds to the new Sony and Universal lawsuit
Relevant passage: Company response in opening paragraphs
About this source
Suno disputes the claims and says v6 uses licensed content, community creations and preference signals.
- Author
- Music Business Worldwide
- Published
- Accessed
Interview
Suno launches v6 and describes its training
Relevant passage: Jack Brody quotations on v6 training data and music-industry partnerships
About this source
Suno's chief product officer describes the new models, licensed partnerships and the training process.
- Author
- Music Business Worldwide
- Published
- Accessed
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Cite this record
- Publisher
- The Dispute Index
- Title
- Suno says v6 was built from scratch; Sony and Universal allege continuing infringement
- First published
- Last updated
- Permalink
- https://disputeindex.com/cases/suno-v6-from-scratch-sony-universal-copyright
The Dispute Index. "Suno says v6 was built from scratch; Sony and Universal allege continuing infringement". First published: 2026-11-02. Last updated: 2026-11-02. https://disputeindex.com/cases/suno-v6-from-scratch-sony-universal-copyright