Dessa

Block · released Oct 24, 2026

Unknownspeechaudio

Openness taxonomy

access, licence, and disclosure — never a single open/closed binary

Weights availability: No public access to the model at the time of reporting
Licence: unknown
Licence category: unknown
Commercial use allowed: unknown
Derivatives allowed: unknown
Redistribution allowed: unknown
Field-of-use restrictions: unknown
Training code availability: unknown
Inference code availability: unknown
Architecture disclosure: unknown
Training data disclosure: Block says the model was trained entirely on human speech

openness confidence

TechCrunch reports that the model can run locally on a MacBook M4 Max or better
TechCrunch reports there was no public access to Dessa at the time of publication

Deployability

raw values as extracted — free text, never inferred from branding

Self-hosting: Block says it can run locally on a consumer-grade computer such as a MacBook M4 Max or better; public access was not available at the time of reporting
On-premise: unknown
Edge deployability: Block says it can run locally on consumer-grade computers
API availability: unknown
Regions available: unknown

Benchmarks

as reported — vendor-supplied unless otherwise noted

No benchmark data on this release yet.

National-security pathway & evidence

from the assessed source item, when one is linked

Impact: lowConfidence: mediumNat-sec: noneindependent reporting

Evidence limitations: The report relays Block's claims and examples; it notes that the model was not publicly accessible, and supplies no independent benchmark or technical evaluation.

Block’s new voice model sounds eerily human

Linked research papers

from paper_model_links

No linked research papers yet.