Microsoft debuts Surface RTX Spark Dev Box to run large AI models without cloud costs

Source: ventureBeat June 2, 2026 · 09:30
Microsoft on Monday unveiled the Surface RTX Spark Dev Box, a compact desktop computer designed to let software developers run large AI models on their desks instead of paying for cloud computing — a move that directly challenges the per-token pricing model that has defined the AI industry's economics since ChatGPT launched three and a half years ago.The device, announced at Microsoft Build 2026, packs Nvidia’s new Blackwell-architecture RTX Spark processor and 128 gigabytes of unified memory into a small-form-factor chassis, delivering what Nvidia rates at one petaflop of AI compute. In practical terms, that means a developer can load, run and interact with AI models exceeding 120 billion parameters without sending a single API call to the cloud."These class of devices, we think, will get…

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