Brad Lightcap
@bradlightcap
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excited for @paypal to come to instant checkout and adopt ACP they're also bringing chatgpt enterprise to their entire team, codex to their engineers, and integrating the API in many areas of the business it's been fun building together - amazing momentum!
PayPal is bringing payments and commerce to ChatGPT. Soon, hundreds of millions of people who use @ChatGPTapp and @PayPal will be able to checkout in just a few taps. And the tens of millions of businesses that rely on PayPal will soon have a path to make products be
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We completed our recapitalization. The non-profit, the OpenAI Foundation, is now one of the best resourced philanthropies ever, with equity valued at ~$130B. It continues to control the OpenAI for-profit, which is now a public benefit corporation. https://t.co/TevJDA3QwB
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One of the greatest opportunities in AI safety and security is the chance to help support the creation of new industry verticals that help maximize the benefits and minimize the risks. The technology is moving fast. One of the best ways to keep up is with more technology, more
Valthos builds next-generation biodefense. Of all AI applications, biotechnology has the highest upside and most catastrophic downside. Heroes at the frontlines of biodefense are working every day to protect the world against the worst case. But the pace of biotech is against
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Labubu prices fell fast — but demand didn’t. According to Reuters, Pop Mart boosted supply 10× this year, reshaping the global toy market and proving hype can turn into scale.
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so much of work is what I like to call the “work around work” - switching between systems, chasing context, and stitching tools together to get things done company knowledge in chatgpt now does this for you it can reason across tools like slack, sharepoint, google drive,
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chatgpt atlas is a browser that works for you. it brings chatgpt directly into your browsing session, using agent mode and other tools to handle tasks for you it's especially good for work *at work,* in a way that makes it hard to go back to your old browser :)
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we are expanding our partnership with @salesforce, announcing today at dreamforce *agentforce 360 apps coming to chatgpt *agentforce commerce integrating with acp *openai as preferred model in agentforce 360 *chatgpt app for slack + codex in slack (already live!) we are also
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As long as we play the comparison game we will find either pride (I’m better than them) or despair (I can never measure up) Jesus wants us to see God’s mercy isn’t a limited resource for a select few it’s an unending well for all who come in truth read more:
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welcome @Walmart to instant checkout 🤝
if, like me, you are bad at shopping... chatgpt now does it for you! we are launching instant checkout with partners @etsy, @shopify (soon), and others in the future we’re also open-sourcing the agentic commerce protocol, which we co-developed with @stripe
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a 100-second look at how people are using chatgpt at work
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there's really never been a better time to build very proud of the teams that pulled this off!
DevDay 2025 ships: - Apps in ChatGPT - Apps SDK - Sora 2 in the API - Sora 2 Pro in the API - GPT-5 Pro in the API - AgentKit - Agent Builder - ChatKit - Guardrails - Evals - Codex GA - Codex SDK - Slack integration - Admin dashboard - gpt-image-1-mini -
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introducing openai grove: a program for early stage founders. grove builds on our existing work with openai for startups & pioneers, and includes 5 weeks of hands-on workshops, office hours, events with our team, and early access. apply here before 9/24:
openai.com
A program for individuals early in their company building journey.
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our Realtime API + most advanced speech-to-speech model, gpt-realtime, are both now generally available built to create production-grade voice agents with natural voice quality, low latency, and high reliability also MCP support, image input, and SIP phone calling!
The Realtime API is officially out of beta and ready for your production voice agents! We’re also introducing gpt-realtime—our most advanced speech-to-speech model yet—plus new voices and API capabilities: 🔌 Remote MCPs 🖼️ Image input 📞 SIP phone calling ♻️ Reusable prompts
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At @OpenAI, we believe that AI can accelerate science and drug discovery. An exciting example is our work with @RetroBiosciences, where a custom model designed improved variants of the Nobel-prize winning Yamanaka proteins. Today we published a closer look at the breakthrough. ⬇️
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Everything in one place. Built from scratch. More to come — with your input and support. Thanks
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India is now our 2nd largest market after the US weekly ChatGPT users have grown 4x in the last year, and India is now top 10 for API devs later this year we’ll open an office in New Delhi, our first in India, to work more closely with Indian users, businesses, and partners!
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For the past month or so, a lot of the most complicated @OscarHealth member questions about how the healthcare system works have been answered by @OpenAI models (with a final coding push that came from GPT-5). Some stats and technical details: 1/5
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we also built a prompt optimizer to help implement gpt-5 best practices: https://t.co/qZ7PjNTsHJ
platform.openai.com
Explore developer resources, tutorials, API docs, and dynamic examples to get the most out of OpenAI's platform.
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gpt-5 is much better at instruction following than previous models API users spending time optimizing their prompts are seeing better results, with some seeing significant improvement even from small changes we wrote up a prompting guide here: https://t.co/28CeD5HKix
cookbook.openai.com
GPT-5, our newest flagship model, represents a substantial leap forward in agentic task performance, coding, raw intelligence, and steera...
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a cool thing you get to see building AI products: you can plug a new model into a product and see it kinda suck. but then you do a week of prompt & product optimization, and the same model shines. the user experience is not just the model; it's the model + product + prompt.
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we are grateful to these and our other early testing partners for the invaluable feedback 🤍
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