Andrew Ambrosino (@ajambrosino) leads the team behind the Codex desktop app at @OpenAI. Codex usage has 6x'd since February, reaching over 5M weekly active users, and nearly 100% of OpenAI's employees use the Codex app regularly (and not just the engineers). Andrew's personal mi…↗

Today, we're launching Aside, the AI browser you’ve waited for. ⋅ Crafted in every detail: vertical tabs and Liquid Glass ⋅ SOTA on agentic browsing benchmarks: outperforms Claude Fable ⋅ Full privacy: Everything runs in local and encrypted ⋅ You can use Claude or ChatGPT subscr…↗

Every Company’s First AI Strategy Should Be a Skill Library Watch your best people work long enough and you notice something. They have patterns. A great salesperson approaches an important call with a clear sense of what matters. They look for the last conversation, identify t…↗

our OpenAI traffic 3x'd. the cause: ChatGPT added branded links inside answers instead of burying them in citations.¹ but that's the small story. Codex went from 600k to 5m weekly users.² agents are choosing the stack now.↗

Private MCP servers 🤝 OpenAI products Your team can keep MCP servers inside your network while ChatGPT, Codex, and the Responses API connect through outbound-only HTTPS. 🔗 developers.openai.com/api/docs/guide…↗

Excited to announce ChatGPT for Powerpoint! This was another super interesting build. Create new slides, ask questions across your deck, and make updates directly in PowerPoint. chatgpt.com/apps/powerpoin…↗

Scoop: OpenAI announced another major reorg on Friday, as part of its effort to unify ChatGPT and Codex. -Greg Brockman is officially taking over OpenAI's products, after previously being tapped as an interim leader -Head of Codex, Thibault Sottiaux, is now leading core product…↗

The Exa MCP is now officially available in ChatGPT! Exa gives ChatGPT access to unique data sources like people, companies, papers, and more. We find it particularly useful inside of Deep Research. To install, search “Exa” in “Apps”↗

ChatGPT is now available as an add-on in Excel and Google Sheets. It can help analyze messy data, write formulas, update spreadsheets, and explain what it’s doing along the way—without leaving your spreadsheet. Powered by GPT-5.5. chatgpt.com/apps/spreadshe…↗

GPT-5.5 Instant is starting to roll out in ChatGPT. It’s a big upgrade, giving you smarter, clearer, and more personalized answers in a warmer, more natural tone. And it's also more concise, which we heard you wanted. We think you'll love chatting with it.↗

Now available for ChatGPT accounts: Advanced Account Security, a new opt-in setting for people at higher risk of digital attacks, with stronger protections including phishing-resistant sign-in and more secure account recovery. openai.com/index/advanced…↗

Ridiculous product unlock: Take screenshots of your UI and paste them into ChatGPT. Then paste in the PRD you just wrote for a new feature. Ask it to mock up the new feature.↗

Introducing GPT-5.5 A new class of intelligence for real work and powering agents, built to understand complex goals, use tools, check its work, and carry more tasks through to completion. It marks a new way of getting computer work done. Now available in ChatGPT and Codex.↗

My conversation with @OpenAI co-founder @gdb This is the most detailed first-person account of the 72 hours after Sam Altman was fired. We also go deep on what comes next: the global race to AGI, why ChatGPT stopped showing reasoning, how much of OpenAI's own code is now writt…↗

Excited to announce ChatGPT for Google Sheets! This was a really fun one to work on. Create new sheets, ask questions across tabs and formulas, and make updates directly in your sheets chatgpt.com/apps/spreadshe…↗

Introducing workspace agents in ChatGPT—shared agents that can handle complex tasks and long-running workflows across tools and teams.↗

OpenAI is preparing Agents in ChatGPT (codename Hermes) including agents builder (studio), templates, schedules, option to use your agent in Slack, add apps, skills, files, memory, instructions and more - "Keep work moving 24/7 with agents" - "Start with a proven workflow - Pick…↗

6 pivots. Cease-and-desist from Microsoft. Then Harvard picked his AI over ChatGPT. Solo Founders Podcast ep 7 is live with @0interestrates of @juliusai. We talk about: How Rahul ended up solo The football analogy for building momentum Why 8/10 co-founder teams are fighting…↗

We’re updating our ChatGPT Pro and Plus subscriptions to better support the growing use of Codex. We’re introducing a new $100/month Pro tier. This new tier offers 5x more Codex usage than Plus and is best for longer, high-effort Codex sessions. In ChatGPT, this new Pro tier s…↗

Adds Claude’s Artifacts feature to ChatGPT, enabling artifact-style outputs within ChatGPT using a JavaScript implementation.↗

ChatGPT is now available in CarPlay. The voice mode you know, now available on-the-go. Rolling out to iPhone users running iOS 26.4+ where CarPlay is supported.↗

NEWS: OpenAI just announced that it has officially closed their latest funding round with $122 billion in committed capital at a post money valuation of $852 billion. "We are now generating $2B in revenue per month. At this stage, we are growing revenue four times faster than th…↗

Everyone who's worked with AI a lot agrees: LLM's hallucinate. A LOT. But to this day, I see friends and family trusting ChatGPT blindly, whether it's is working off retrieved data or not. So, I made this. Share it with anyone who you think trusts AI too much.↗

BREAKING! Introducing Plus One: A hosted @openclaw that lives in your Slack and comes pre-loaded with @every's best tools, skills, and workflows. Set it up in one click, and use your ChatGPT subscription (or any other API key.) Bring your Plus One to work: every.to/plus-one…↗

It’s now easier to find, reuse, and build on the files you upload and create in ChatGPT. You can quickly reference files in a chat using recent files in the toolbar, ask ChatGPT about something you’ve uploaded, or browse your files in the new Library tab in the web sidebar. Rol…↗

I am Tibo and I have an incredible team. Codex would not exist without them and they cooked. Enjoy the new Codex app, access through your free/go ChatGPT plan and 2X rate limits on other plans. Can't wait to hear what you do with it. openai.com/codex/↗

I worked on a side project last week and weekend with AI coding agents (both @AnthropicAI’s Claude Code and @FactoryAI’s Droid alternating). It took me 3-4 hours of active QA plus 3 hours of active energy reviewing plans, decision-making, checking AI's logic. After I pushed th…↗

claude code will go next to chatgpt in the history textbooks; brilliant form-factor, training decisions, ease of use. i have immense respect for anthropic's vision↗

Now that the chat is directly pushed into my SQLite messages.db I can make a robot to ask ChatGPT to summarize the chat on a weekly or monthly basis and maybe email it to active users as a 100% fully automated AI written digital nomad newsletter ala @swyx's AI newsletter This i…↗

Has anyone come across a practical how to guide for ChatGPT that dives into specific work-related use cases for product, sales and/or marketing?↗