OpenAI Jalapeño puts NVIDIA's inference margins on the clock

Does Jalapeño beat NVIDIA? On the benchmark OpenAI published, yes. Does that make it a better chip than NVIDIA's Blackwell platform? The evidence does not support that claim yet. Should NVIDIA care? Yes. Jalapeño gives OpenAI a credible way to move repeated, high-volume inference onto hardware it controls. That changes how OpenAI buys GPUs, how much pricing power NVIDIA keeps, and how expensive it is to leave CUDA. That is a narrower claim than "NVIDIA killer." It is also more interesting. Short version: Jalapeño is an inference ASIC co-developed by OpenAI and Broadcom. Early results show excellent latency and performance per watt on three large models. It has not yet proved production-scale economics, long-context agent performance, or fleet reliability. Near term, it gives OpenAI capacity and negotiating power. Over time, it could take a profitable slice of inference away from merchant GPUs and weaken one part of NVIDIA's software moat. This is infrastructure analysis, not a stock call. What exactly is Jalapeño? OpenAI calls Jalapeño its first "Intelligence Processor." The plainer description is a custom ASIC for large-language-model inference, built with Broadcom and turned into boards, racks, and production systems with Celestica. This is intended to become more than a lab project. OpenAI and Broadcom announced a 10-gigawatt custom-accelerator program in October 2025, with racks targeted to start deploying in the second half of 2026 and the program running through 2029. Those gigawatts are a roadmap, not deployed capacity. The original collaboration announcement states the schedule . Inference is the part that happens after training. A model has already learned its weights. The system now has to process a prompt, generate tokens, maintain the conversation state, route requests, and repeat that work for millions of users and agents. NVIDIA GPUs can train models and serve them. Jalapeño has a smaller job description. It is designed around serving current and futur