Dessa release status
Is Dessa out yet? We track whether Block has released an API, weights, a license and pricing, and log every change below. Independent tracker, not affiliated with Block.
Short answer: not yet
Status by item
Not announcedWaitlist onlyReleased
API
Not announcedNo API or SDK has been announced. Block's Dessa page only marks its launch links as coming soon.
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Model weights
Not announcedNo weights or code to download. The page has a Download button that shows only a coming-soon notice, and Block has not said what it will offer.
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License
Not announcedBlock has not published a license or terms of use for the model, so it is unknown whether anyone else will be allowed to host it.
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Pricing
Not announcedNo price, plan or free tier has been announced.
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Availability
Waitlist onlyAccess is by application only. Block is taking early-access requests from AI safety researchers through a form on Block's Dessa page, using an institutional email. The page marks a public waitlist as opening soon, but it had not opened when we checked.
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Paper and benchmarks
Not announcedNo paper, model card or benchmark results. Block has published demo recordings only, with no parameter count or latency figures.
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Hollow dot: not announced. Half dot: waitlist only. Solid dot: released. Every row: Block’s announcement, Oct 23, 2026.
Full-duplex voice API
Build on full duplex with our hosted API.
Pick a plan, and get Dessa news in the same step if you want it.
Source: Block, Oct 23, 2026
What we know so far
Trained only on recordings of human conversation, from scratch, with no text data.
Listens and speaks at the same time, and hears emotion, sarcasm, sighs and laughter.
Trained on one NVIDIA GB200 NVL72 system. Runs faster than real time on a MacBook Pro with an M4 Max.
Model size, latency in milliseconds, languages, license terms, release date.
Newest first
Changelog
- Checked · no change
We re-checked Block's Dessa page. Its text has not changed since launch day: no API, weights, license, price or paper, and the launch links are still marked as coming soon.
Sources: Block
- Checked · no change
We re-checked Block's Dessa page. Its text is the same as on launch day: no API, weights, license, price or paper, and launch links are still marked as coming soon.
Sources: Block, Internet Archive
- Announced · waitlist only
Block announces Dessa on Block's Dessa page, and Jack Dorsey shares it on X. The page offers an early-access form for AI safety researchers and marks the download and launch links as coming soon.
Sources: Internet Archive, TechCrunch
How we check: we review Block’s Dessa page and its public announcements, and add an entry whenever something changes.
Sources
- Dessa - the Conversation Model trained only on speech, Block
- Block's Dessa page, archived copy from launch day, Internet Archive, 2026-10-23
- Block's new voice model sounds eerily human, TechCrunch, 2026-10-24
Want the background first? What is Dessa. Independent site. Not affiliated with or endorsed by Block, Inc.