Tether QVAC SDK
Build local-first AI agents that run offline on any device — no cloud needed
The Panel's Take
Tether — yes, the stablecoin company — has launched QVAC, a fully open-source SDK for building on-device AI agents that work offline, peer-to-peer, and without any dependency on centralized cloud infrastructure. Built on a customized fork of llama.cpp called QVAC Fabric, it supports text completion, embeddings, vision, OCR, speech-to-text, text-to-speech, and translation — all running locally on Linux, macOS, Windows, Android, and iOS with a single unified API. What makes QVAC architecturally distinct is the Holepunch protocol stack underneath it: models can be distributed peer-to-peer, inference can be delegated across devices without centralized infrastructure, and the roadmap includes decentralized swarms for training and fine-tuning. Once a model is cached locally, the SDK works fully offline — making it suitable for air-gapped deployments, field work, and restricted-network environments. Tether is also running a developer grants program to fund projects building with QVAC, specifically targeting local-first AI and payment applications. With $27B+ in stablecoin reserves behind it, Tether has the runway to sustain a multi-year open-source effort here — which is more than most AI SDK projects can say.
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Tether QVAC SDK verdict: SHIP 🚀 3 ships · 1 skip from the expert panel Full review: shiporskip.io/tool/tether-qvac-sdk-local-offline-ai-cross-platform-holepunch-2026
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<a href="https://shiporskip.io/api/badge-click/tether-qvac-sdk-local-offline-ai-cross-platform-holepunch-2026" target="_blank" rel="noopener"><img src="https://shiporskip.io/api/badge/tether-qvac-sdk-local-offline-ai-cross-platform-holepunch-2026" alt="Tether QVAC SDK Ship verdict on ShipOrSkip" width="360" height="90" /></a>[](https://shiporskip.io/api/badge-click/tether-qvac-sdk-local-offline-ai-cross-platform-holepunch-2026)<iframe src="https://shiporskip.io/embed/tether-qvac-sdk-local-offline-ai-cross-platform-holepunch-2026" title="Tether QVAC SDK ShipOrSkip verdict" width="360" height="260" style="border:0;border-radius:16px;max-width:100%;" loading="lazy"></iframe>The reviews
“A single API covering text, vision, speech, OCR, and translation — locally, cross-platform, offline — built on llama.cpp with P2P model distribution via Holepunch. This is the toolkit for building genuinely private AI apps, especially on mobile where on-device inference is finally practical.”
“Tether's business is stablecoins, and grafting a major open-source AI SDK onto that brand is an unusual strategic move that raises questions about long-term commitment. The Holepunch P2P stack is powerful but adds significant complexity — most developers just want a simple local inference wrapper, not a decentralized agent protocol.”
“QVAC represents the counter-narrative to cloud AI monopolization: intelligence that lives on devices, syncs peer-to-peer, and never phones home. Combined with Tether's payment rails, this could be the foundation for AI agents that transact autonomously in a fully decentralized stack.”
“Local speech-to-text, translation, and OCR with one SDK, working offline on my phone? The creative use cases — offline transcription in the field, private on-device captioning, local image analysis — are immediately compelling without needing to trust a cloud provider with my content.”