
OpenAI Posts Jalapeño InferenceX Benchmarks at Hot Chips
OpenAI published Jalapeño's first custom-chip results on 25 August 2026 and presented them at Hot Chips the same day. On SemiAnalysis' InferenceX benchmark it claimed 1.5 to 1.9 times more AI work per watt than the best recorded Nvidia GB200 or GB300 systems.




