OpenAI just dropped GPT-OSS, its first open-weight model in six years, and you can run it on your laptop (or a single GPU). It comes in a 120B-parameter version (think o4-mini performance) and a 20B-parameter version (o3-mini territory, only 16 GB of VRAM needed), all under an Apache 2.0 license via Hugging Face, Azure, AWS and more—meaning you can tweak and even use it commercially for free.
Behind the scenes, OpenAI says GPT-OSS is its most rigorously vetted model yet, complete with visible chain-of-thought logs to curb misuse (from cybersecurity exploits to bioweapons). Early tests show it handles coding, web browsing, reasoning and agentic tasks on par with their closed systems—and now smaller teams finally get the keys to customize and innovate.
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