Cartesia announced this model on 2026-04-01.
Stay ahead of the change.
Releases, retirements, and the deadlines that affect your stack.
Track the models you actually use.
Build a local watchlist to see changes that affect your application.
Next 3 model shutdowns
Select a model to review its notice and affected scope.Change activity
Published announcements · Jan 2026 – Dec 2026
Select a day to explore its notices. Undated announcements stay in the feed; empty days do not imply complete coverage.
Latest model changes
14Tracking since Jan 1, 2026 · recent announcements and deadlines from that date onward.
790 published notices · 1,424 observations preserved in the archive. Older, undated, or unsupported claims can be hidden.
Cartesia documents a capability change: “Error responses — For Cartesia-Version: 2026-03-01, we now return structured JSON.”
Cartesia lists June 1, 2026 as the retirement date. Specific dated snapshot.
Cartesia lists June 1, 2026 as the retirement date. Languages: it, nl, pl, ru, sv, tr, hi.
Cartesia lists June 1, 2026 as the retirement date. Languages: it, nl, pl, ru, sv, tr, hi.
Cartesia lists June 1, 2026 as the retirement date. Languages: it, nl, pl, ru, sv, tr, hi.
Cartesia lists June 1, 2026 as the retirement date. Specific dated snapshot.
Cartesia lists June 1, 2026 as the retirement date. Languages: it, nl, pl, ru, sv, tr.
Early signals & rumors 11
Reports of what might be next, with the original source attached.
Space-bunny-alpha a reasoning model from an anonymous provider
Leaked Gemini 4 Pro Benchmarks Signal Google's Return to the Top of AI
Tech OpenAI abandons plan to release upcoming model as safety concerns escalate
Multiple providers offer free mystery model, Union Alpha
Stealth Multimodal AI Model Matches Frontier Performance at a Fraction of Cost
Ask HN: What model is new stealth Union Alpha model?
Unconfirmed reports stay separate from official notices, countdowns and feeds.
Dates come from official notices. Missing dates stay missing.