~ / blog / series / gpt-oss-120B on DGX Spark
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- 12026-03-19[vLLM] Running a 120B Model on DGX Spark at 60 tok/s — Zero API Cost, Six Bugs
How to get gpt-oss-120B running on a DGX Spark (GB10, SM121) with vLLM. The goal: a 120B model serving a local AI agent at zero API cost. The path: six bugs, one silent env var, and a startup log that tells you everything.