OpenAI 发布自研推理芯片 Jalapeño，性能超越 Blackwell
原标题：[AINews] Hot Chips: OpenAI’s Jalapeño, Cerebras CS-5, Groq 3 LPX, Apple M6
AI 摘要
在 Hot Chips 37 大会上，OpenAI 发布了自研推理芯片 Jalapeño，宣称其能效和延迟优于 NVIDIA GB200/GB300，实测每瓦性能提升 1.5-1.9 倍，端到端延迟降低 1.7-3.6 倍，并计划年底部署。此外，多个研究强调 agent 的 harness 质量和记忆系统设计对性能影响重大，而 Perplexity 推出了本地化产品 Portable Computer。
正文节选
By far the biggest announcement at the 37th Hot Chips conference was OpenAI’s stunning progress on their own chip, less than a year after the Broadcom announcement… and that it isn’t an ASIC; but a full on Blackwell-beating alternative. The key metric now is shifting to performance per watt, and Jalapeno delivers: The full Hot Chips presentation is not yet out but various takes are below. For a fuller breakdown, watch along with the rest of OpenAI: AI News for 8/24/2026-8/25/2026. We checked 12