Announcing strategic partnership with @nvidia for millions of GPUs — about as much compute as they've shipped in 2025 in total — and an investment up to $100B as these GPUs are deployed:
@gdb
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ChatGPT adoption study reveals broad consumer and economic impact
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We've released a large-scale study on how people are using ChatGPT. Consumer adoption has broadened beyond early-user groups, and lots of economic value is being created through both personal and professional use: https://
openai.com/index/how-peop
le-are-using-chatgpt/
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GPT-5 Codex Generates Three.js Minecraft Implementation
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gpt-5-codex when given the prompt "create a three.js basic working version of minecraft, make your own textures, no sound. add some environment to make it more interesting, like sand, water etc.": https://t.co/aQLrJ4ysKg
— Greg Brockman (@gdb) 21 septembre 2025gpt-5-codex when given the prompt "create a three.js basic working version of minecraft, make your own textures, no sound. add some environment to make it more interesting, like sand, water etc.":
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Detecting and Reducing AI Scheming Behavior Through Deliberative Alignment
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We've made progress on the AI safety problem of detecting and reducing "scheming": – Created evaluation environments to detect scheming
– Observed current models scheming in controlled settings
– Found deliberative alignment (
https://
openai.com/index/delibera
tive-alignment/
…) decreases scheming rates -
Reasoning System Achieves Perfect Score in 2025 ICPC Competition
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perfect score on the 2025 ICPC programming competition from our latest reasoning system:
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Creating Animated Videos as React Applications
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Codex for creating an animated video as a React app:
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Reading Small Wiggles: An Underrated ML Skill
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an underrated skill in ML is deriving great insight from small wiggles in the graphs
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Building ML Pretraining Infrastructure: Systems Engineering Challenges
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building pretraining infrastructure is an exercise in complexity management, abstraction design, operability/observability, and deep systems and ML understanding. reflects some of the trickiest and most rewarding problems in software engineering. which makes it really fun!
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GPT-5 Pro Advances Novel Mathematics with Academic Partnership
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gpt-5 pro for novel mathematics — in partnership with a math professor:
