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Tether, the company behind the world’s largest stablecoin USDT, announced the launch of QVAC SDK, a fully open-source software development kit intended to run artificial intelligence applications directly on any device without requiring cloud servers.
The cross-platform toolkit is designed to work unchanged across iOS, Android, Windows, macOS, and Linux, according to Tether. The SDK is built on QVAC Fabric, a fork of llama.cpp, which the company says supports compatibility with the llama.cpp model ecosystem for text generation, embeddings, and multimodal workloads.
Using a single interface, developers can access capabilities including text completion, embeddings, vision, optical character recognition, text-to-speech, speech-to-text, and translation.
Tether said the SDK includes peer-to-peer functionality powered by the Holepunch stack. The company described this as enabling decentralized model distribution and delegated inference.
In future updates, Tether plans to add peer-to-peer swarms aimed at decentralized training, fine-tuning, and inference.
The QVAC SDK is presented as an outcome of QVAC, Tether Data’s AI research initiative focused on building open, decentralized, and adaptive intelligence systems. Tether said it has committed to substantial investments to expand QVAC’s open-source ecosystem over the coming months and years, including specialized toolkits for robotics and brain-computer interfaces.
Paolo Ardoino, Tether CEO, said in a statement that the industry is moving toward a world where “billions of humans” share the planet with “billions of autonomous machines and trillions of AI agents,” and that centralized routing of decisions through servers “won’t scale” to meet that reality.
Ardoino added that centralized AI faces limitations including speed-of-light latency, single points of failure, and concentration of control, arguing that QVAC is designed for a “world that’s coming” and is “the building block of the Stable Intelligence Era.”
Tether said the launch represents a strategic expansion beyond its core stablecoin business, positioning the company to compete with centralized AI providers by offering privacy-focused alternatives that process data locally rather than transmitting it to cloud servers.
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