OpenAI's Jalapeño Chip: AI-Driven Design in Under Two Years
On August 25, OpenAI unveiled its debut AI accelerator chip, Jalapeño. Capable of delivering up to 13.4 petaflops and linking to a massive 232 gigabytes of memory at 15.4 terabytes per second, Jalapeño promises significant performance improvements over Nvidia’s GB300. Benchmarks show it can reduce end-to-end latency by up to 3.6x while consuming less power. While these figures are promising, the…
Key points
- Jalapeño accelerates to 13.4 petaflops with 232 GB of memory
- Reduces end-to-end latency by up to 3.6x compared to Nvidia's GB300
- Design timeline was under 20 months, including RTL from first concept
Model page: GPT-6 Astra →
The story so far
2 episodes →- OpenAI's Jalapeño Chip: AI-Driven Design in Under Two Yearsthis story
How OpenAI Used Its Own LLMs to Design Its Jalapeño Chip
IEEE Spectrum AI · 14 September 2026
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