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How OpenAI Used Its Own LLMs to Design Its Jalapeño Chip

This story is from 2026-09-14. It is preserved in the archive; the latest stories are on the live feed.

On 25 August, OpenAI fully unveiled Jalapeño, the company’s debut AI accelerator chip. Jalapeño delivers up to 13.4 petaflops of 4-bit compute and accesses 232 gigabytes of the most advanced memory available, linking to it at a blazing 15.4 terabytes per second. Benchmarks cited by OpenAI show that…

Read the full story at IEEE Spectrum AI ↗

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  1. 2026-09-14 14:06 · IEEE Spectrum AI
    How OpenAI Used Its Own LLMs to Design Its Jalapeño Chip

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