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OpenAI DevDay 2026: Agents, new models, and ChatGPT integration dominate announcements

OpenAI's DevDay 2026 event showcased a suite of new products and features, with a strong emphasis on integrating AI agents into everyday workflows. The company introduced "Dots," an always-on AI assistant designed to operate across various connected applications, aiming to rival existing offerings like Meta's Muse. Additionally, OpenAI announced updates to its models, including GPT-6.1 Sol, which offers competitive performance at a reduced cost, and enhancements to its ChatGPT platform, such as a new Pro tier and "Sign in with ChatGPT" for third-party app integration. The event also highlighted advancements in Codex, now fully cloud-based, and new APIs for agent development. AI

IMPACT Accelerates the integration of AI agents into daily workflows and potentially lowers the cost of running AI models for complex tasks.

RANK_REASON Multiple new product and model releases from a tier-1 frontier lab.

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 10 sources. How we write summaries →

OpenAI DevDay 2026: Agents, new models, and ChatGPT integration dominate announcements

COVERAGE [10]

  1. Simon Willison TIER_1 Norsk(NO) ·

    OpenAI DevDay 2026 live blog

    <p>I'm at <a href="https://devday.openai.com/">OpenAI DevDay</a> today, in Fort Mason, San Francisco. Same as <a href="https://simonwillison.net/2025/Oct/6/openai-devday-live-blog/">last year</a> I'll be live blogging the keynote and some other notes during the day.</p> <p><em>Op…

  2. Engadget TIER_1 English(EN) · [email protected] (Igor Bonifacic) ·

    OpenAI Dev Day 2026: Live updates on the latest ChatGPT and Codex announcements

    CEO Sam Altman is expected to take the stage today.

  3. The Verge — AI TIER_1 English(EN) · The Verge ·

    OpenAI DevDay 2026: The biggest news and announcements

    It&#8217;s OpenAI’s turn in the fall tech events calendar. The company is hosting its annual DevDay on September 29th in San Francisco, starting with a live keynote featuring CEO Sam Altman. The company is teasing &#8220;20+ launches&#8221; with Altman saying that &#8220;we have …

  4. Mastodon — sigmoid.social TIER_1 English(EN) · [email protected] ·

    🤖 DevDay 2026 Recap Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builder

    🤖 DevDay 2026 Recap Explore more than 20 announcements from OpenAI DevDay 2026, including GPT-6 Astra, ChatGPT, Codex, APIs, security, and new tools for builders. 📰 Source: OpenAI News 🔗 Link: https://openai.com/index/devday-2026-recap # AI # ArtificialIntelligence # ChatGPT

  5. Email — Every TIER_1 Deutsch(DE) · 010001a0ee2c9af3-ae514d8c-7215-4901-8b1b-951536747882-000000@send.every.to (010001a0ee2c9af3-ae514d8c-7215-4901-8b1b-951536747882-000000@send.every.to) ·

    Vibe Check: OpenAI DevDay 2026

    <!-- Set the language of your main document. This helps screenreaders use the proper language profile, pronunciation, and accent. --> <!-- The title is useful for screenreaders reading a document. Use your sender name or subject line. --> Vibe Check: OpenAI DevDay 2026 <!-- Never…

  6. Bluesky Jetstream — AI desk TIER_1 English(EN) · simonwillison.net ·

    I'm at OpenAI's DevDay event in San Francisco today - as I have for the past three DevDay events, I'm running a live blog where I'll be posting updates during t

    I'm at OpenAI's DevDay event in San Francisco today - as I have for the past three DevDay events, I'm running a live blog where I'll be posting updates during the keynote, which starts in five minutes simonwillison.net/2026/Sep/29/...

  7. dev.to — LLM tag TIER_1 English(EN) · Nikoloz Turazashvili (@axrisi) ·

    OpenAI DevDay 2026: every announcement, with prices and availability

    <p>OpenAI DevDay 2026 ran on Tuesday in San Francisco, and the <a href="https://openai.com/index/devday-2026-recap/" rel="noopener noreferrer">official recap</a> counts "more than 20 major announcements across ChatGPT, Codex, our models, and entirely new forms of working with AI.…

  8. dev.to — LLM tag TIER_1 English(EN) · ANIRUDDHA ADAK ·

    I watched all 20+ OpenAI DevDay 2026 launches. Here are the 5 that change what I build

    <p>OpenAI DevDay 2026 ran on 29 September at Fort Mason in San Francisco. Sam Altman opened at 10:00 AM Pacific, with Romain Huet, Tejal Patwardhan and Holly Li following him on stage. The opening slide put the company at 1.2 billion weekly ChatGPT users, more than 40 model launc…

  9. r/OpenAI TIER_2 English(EN) · /u/Delumine ·

    Live from OpenAI DevDay 2026: Keynote - DISCUSSION

    <table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1wtftuq/live_from_openai_devday_2026_keynote_discussion/"> <img alt="Live from OpenAI DevDay 2026: Keynote - DISCUSSION" src="https://external-preview.redd.it/OfZEu8hKCu2xikIk1Wyvcw3rpqaJhkR_rMwj6iRQBWI.jpeg?width…

  10. r/OpenAI TIER_2 English(EN) · /u/ryanmerket ·

    What OpenAI might announce at DevDay, from an 'o' agent to a BUSY Bar integration

    <table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1wsrynj/what_openai_might_announce_at_devday_from_an_o/"> <img alt="What OpenAI might announce at DevDay, from an 'o' agent to a BUSY Bar integration" src="https://external-preview.redd.it/3uXi9ZOETzSA5rC6uxjtg5p8…