{"slug": "openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in", "title": "OpenAI's first custom chip \"Jalapeño\" reportedly beats Nvidia's Blackwell and Rubin in inference benchmarks", "summary": "OpenAI's first in-house inference chip, \"Jalapeño,\" outperforms Nvidia's Blackwell and Rubin in throughput and energy efficiency, according to SemiAnalysis tests presented at the Hot Chips conference. SemiAnalysis CEO Dylan Patel said, \"Usually first generation chips aren't competitive, but OpenAI is beating Nvidia Blackwell and even Rubin.", "body_md": "OpenAI showed off \"Jalapeño,\" its first in-house inference chip, with benchmarks at the Hot Chips conference. According to SemiAnalysis tests, the chip beats Nvidia's Blackwell and even Rubin in throughput and energy efficiency. \"Usually first generation chips aren't competitive, but OpenAI is beating Nvidia Blackwell and even Rubin,\" SemiAnalysis CEO Dylan Patel said.\n\nThe article [OpenAI's first custom chip \"Jalapeño\" reportedly beats Nvidia's Blackwell and Rubin in inference benchmarks](https://the-decoder.com/openais-first-custom-chip-jalapeno-reportedly-beats-nvidias-blackwell-and-rubin-in-inference-benchmarks/) appeared first on [The Decoder](https://the-decoder.com).", "url": "https://wpnews.pro/news/openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in", "canonical_source": "https://the-decoder.com/openais-first-custom-chip-jalapeno-reportedly-beats-nvidias-blackwell-and-rubin-in-inference-benchmarks/", "published_at": "2026-08-25 18:00:50+00:00", "updated_at": "2026-08-25 18:12:40.341811+00:00", "lang": "en", "topics": ["ai-chips", "ai-infrastructure", "artificial-intelligence"], "entities": ["OpenAI", "Jalapeño", "Nvidia", "Blackwell", "Rubin", "SemiAnalysis", "Dylan Patel", "Hot Chips"], "alternates": {"html": "https://wpnews.pro/news/openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in", "markdown": "https://wpnews.pro/news/openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in.md", "text": "https://wpnews.pro/news/openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in.txt", "jsonld": "https://wpnews.pro/news/openai-s-first-custom-chip-jalapeno-reportedly-beats-nvidia-s-blackwell-and-in.jsonld"}}