Private, low-cost inference, and the models nobody else hosts.
How verifiable prompt privacy works, why it runs on idle Apple-Silicon Macs, and field notes from the alpha.
- Jul 1, 2026Umbra alpha: what works todayAn honest snapshot of the Umbra alpha: developer top-up is live, coordinator and Apple hardware attestation are live, the provider app is published, and provider payouts are rolling out via the wallet.
- Jun 28, 2026How Umbra is building verifiable prompt privacyUmbra's target prompt-privacy architecture, what provider and coordinator attestation proves today, and which response-level guarantees are still pending.