Addendum to o3 and o4-mini system card: Codex
Codex is a cloud-based coding agent. Codex is powered by codex-1, a version of OpenAI o3 optimized for software engineering. codex-1 was trained using reinforcement learning on real-world coding tasks
AI & Technology
Introducing Codex
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AI powers Expedia’s marketing evolution
A conversation with Jochen Koedijk, Chief Marketing Officer of Expedia Group.
Personalize ChatGPT with custom instructions
See how custom instructions help personalize ChatGPT for your role, preferences, and work.
Introducing HealthBench
HealthBench is a new evaluation benchmark for AI in healthcare which evaluates models in realistic scenarios. Built with input from 250+ physicians, it aims to provide a shared standard for model perf
Automate complex workflows with OpenAI o3
See how OpenAI o3 can reason through complex tasks and help automate multi-step workflows.
Lowe’s leverages AI to power home improvement retail
A conversation with Chandhu Nair, Senior Vice President of Data, AI, and Innovation.
Evolving OpenAI’s structure
An update from the OpenAI board on transitioning its for-profit entity to a Public Benefit Corporation, reinforcing its mission-driven structure under nonprofit oversight while enabling greater impact
Expanding on what we missed with sycophancy
A deeper dive on our findings, what went wrong, and future changes we’re making.
Sycophancy in GPT-4o: what happened and what we’re doing about it
We have rolled back last week’s GPT‑4o update in ChatGPT so people are now using an earlier version with more balanced behavior. The update we removed was overly flattering or agreeable—often describe
New in ChatGPT for Business: April 2025
Watch hands-on demos of the lastest in ChatGPT for Business: o3, image generation, enhanced memory, and internal knowledge.
Introducing our latest image generation model in the API
Our latest image generation model is now available in the API via ‘gpt-image-1’—enabling developers and businesses to build professional-grade, customizable visuals directly into their own tools and p
Speak is personalizing language learning with AI
A conversation with Connor Zwick, CEO & Co-founder of Speak.
The Washington Post partners with OpenAI on search content
The Washington Post is partnering with with OpenAI to integrate news into ChatGPT, providing users with summaries, quotes, and direct links to original reporting.
Thinking with images
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OpenAI o3 and o4-mini System Card
OpenAI o3 and OpenAI o4-mini combine state-of-the-art reasoning with full tool capabilities—web browsing, Python, image and file analysis, image generation, canvas, automations, file search, and memor
Writing with canvas in ChatGPT
See how canvas in ChatGPT helps turn notes, transcripts, and rough drafts into polished writing.
Shipping code to your IDE with ChatGPT
See how ChatGPT can help move generated code into your IDE to speed up development workflows.
Strategic planning with ChatGPT
See how ChatGPT can support strategic planning by analyzing context, generating options, and turning decisions into next steps.
Vision and voice in ChatGPT
See how vision and voice in ChatGPT help teams work with multimodal inputs and communicate more naturally.
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