Aether 3.5 release in March 2026

Company: Nebius

Subject kind: product
Statement date: 2026-05-12
Event date: 2026-03-31
Current status: stated

What the later record shows

Not a promise: a reported event · happened March 31, 2026

The claim reports that Aether 3.5 had already been released in March 2026. The Q1 letter refers to the platform running on Aether 3.5.

“We also broadened our platform to include NVIDIA RTX PRO 6000 Blackwell Server Edition on Aether 3.5, enabling customers to run a wider range of applied AI and simulation workloads.”
2026-05-12 · nebius 8-K exhibit (tm2614392d1_ex99-2.htm) View cached copy (2026-09-07)Live source ↗

Checked October 10, 2026 against filings, releases and reporting published after the claim was made. Quotes are verbatim from the linked documents.

The claim, verbatim

Aether 3.5 released in March 2026 with serverless AI, data transfer service, and enhanced security and governance capabilities

Source (primary)

nebius 8-K exhibit (tm2614392d1_ex99-2.htm) (SEC EDGAR (8-K Ex), press_release)
View cached copy (2026-09-07)Live source ↗

Quote: “The release of Nebius AI Cloud Aether 3.5 in March made our hyperscale-grade platform more frictionless”

How we checked this

Checked on October 11, 2026. The cited source supports every part of this claim.

The Q1 2026 letter says Aether 3.5 was released in March and lists serverless AI, a Data Transfer Service and strengthened security and governance controls among its features.

Confirmed in the source:

Nebius AI Cloud Aether 3.5 was released in March 2026
Aether 3.5 introduced serverless AI capabilities
Aether 3.5 added a new Data Transfer Service
Aether 3.5 strengthened security, governance and operational controls

What we did: Read our cached copy of SEC EDGAR (8-K Ex) (https://www.sec.gov/Archives/edgar/data/1513845/000110465926059872/tm2614392d1_ex99-2.htm) in full (43,236 characters, retrieved September 7, 2026) and checked each assertion in the claim against it.

Additional evidence

confirms nebius 8-K exhibit (tm2614392d1_ex99-2.htm)

Quote: “The release of Nebius AI Cloud Aether 3.5 in March made our hyperscale-grade platform more frictionless”

View cached copy (2026-09-07)Live source ↗

Record of changes

September 7, 2026 — stated

Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.

September 8, 2026 — delayed

Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.

October 9, 2026 — outcome unconfirmed

Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.

October 10, 2026 — stated

Automated extraction from the cited source. Recorded automatically from the cited source when it was published, then queued for evidence review.