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@shokout

Principal Solutions Engineer @OpenAI. ex-AWS @awscloud_jp, ex-Toyota, ex-NII Associate Professor in Quantum Computing. My tweets are my own opinion

Tokyo Katฤฑlฤฑm Kasฤฑm 2009
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Kazuhiro Sera (็€ฌ่‰ฏ)
OpenAI Agents SDK Python ๐Ÿ ๅคงๅน…ใ‚ขใƒƒใƒ—ใƒ‡ใƒผใƒˆ ไปปๆ„ใฎใ‚ตใƒณใƒ‰ใƒœใƒƒใ‚ฏใ‚น็’ฐๅขƒใงใ‚จใƒผใ‚ธใ‚งใƒณใƒˆใ‚’ๅฎŸ่กŒใงใใ‚‹ใ‚ˆใ†ใซใชใ‚Šใพใ—ใŸใ€‚ใ“ใ‚Œใพใงใฎ Agentใ€ใใฎใ™ในใฆใฎๆฉŸ่ƒฝใจๆ–ฐใ—ใ„ SandboxAgent ใ‚’ไฝต็”จใ™ใ‚‹ใ“ใจใŒใงใใพใ™ใ€‚ ่ฉณใ—ใใฏๆ—ฅๆœฌ่ชžๅŒ–ใ•ใ‚ŒใŸใƒ‰ใ‚ญใƒฅใƒกใƒณใƒˆใ‚’ใ”่ฆงใใ ใ•ใ„ใ€‚ openai.github.io/openai-agents-โ€ฆ TypeScript SDK ใ‚‚่ฟ‘ๆ—ฅไธญใซใ‚ตใƒใƒผใƒˆใ™ใ‚‹ไบˆๅฎšใงใ™๐Ÿ’ช
OpenAI Developers@OpenAIDevs

Build long-running agents with more control over agent execution. New capabilities in the Agents SDK: โ€ข Run agents in controlled sandboxes โ€ข Inspect and customize the open-source harness โ€ข Control when memories are created and where theyโ€™re stored

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OpenAI
OpenAI@OpenAIยท
Weโ€™re expanding Trusted Access for Cyber with additional tiers for authenticated cybersecurity defenders. Customers in the highest tiers can request access to GPT-5.4-Cyber, a version of GPT-5.4 fine-tuned for cybersecurity use cases, enabling more advanced defensive workflows. openai.com/index/scaling-โ€ฆ
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Kazuhiro Sera (็€ฌ่‰ฏ)
Codex ใ‚’ใœใฒ่ฉฆใ—ใฆใฟใฆใใ ใ•ใ„๏ผ ้€ฑ้–“ใ‚ขใ‚ฏใƒ†ใ‚ฃใƒ–ใƒฆใƒผใ‚ถใƒผ300ไธ‡ไบบใซใฎใผใ‚‹Codexใ€OpenAI Japanใฎ็€ฌ่‰ฏๆฐใซ่žใใ€Œ้–‹็™บใ‚นใ‚ฟใ‚คใƒซใ€ใฎๅค‰ๅŒ– gihyo.jp/article/2026/0โ€ฆ #gihyojp
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Kazuhiro Sera (็€ฌ่‰ฏ)
๐Ÿ“ข gihyo. jp ใ•ใ‚“ใŒ็งใฎใ‚คใƒณใ‚ฟใƒ“ใƒฅใƒผใ‚’ใ‚‚ใจใซ OpenAI ใฎ Codex ๆœ€ๆ–ฐๆƒ…ๅ ฑใ‚’ใพใจใ‚ใฆใใ ใ•ใ„ใพใ—ใŸใ€‚ ใœใฒใ”ไธ€่ชญใใ ใ•ใ„๏ผ ใใ—ใฆใ€ๆ€ฅ้€Ÿใซๅˆฉ็”จ่€…ใŒๅข—ใˆใฆใ„ใ‚‹ Codex ใ‚’ใœใฒๅฎŸ้š›ใซ่ฉฆใ—ใฆใฟใฆใใ ใ•ใ„๐Ÿ™Œ
gihyo.jp@gihyojp

ใ€Ž้€ฑ้–“ใ‚ขใ‚ฏใƒ†ใ‚ฃใƒ–ใƒฆใƒผใ‚ถใƒผ300ไธ‡ไบบใซใฎใผใ‚‹Codexใ€OpenAI Japanใฎ็€ฌ่‰ฏๆฐใซ่žใใ€Œ้–‹็™บใ‚นใ‚ฟใ‚คใƒซใ€ใฎๅค‰ๅŒ–ใ€by @k_taka ๅ…ฌ้–‹ gihyo.jp/article/2026/0โ€ฆ

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OpenAI
OpenAI@OpenAIยท
Weโ€™re updating our ChatGPT Pro and Plus subscriptions to better support the growing use of Codex. Weโ€™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 still offers access to all Pro features, including the exclusive Pro model and unlimited access to Instant and Thinking models. To celebrate the launch, weโ€™re increasing Codex usage for a limited time through May 31st so that Pro $100 subscribers get up to 10x usage of ChatGPT Plus on Codex to build your most ambitious ideas.
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Kazuhiro Sera (็€ฌ่‰ฏ)
Kazuhiro Sera (็€ฌ่‰ฏ)@seratch_jaยท
๐Ÿ‘จโ€๐Ÿ’ป 4/24๏ผˆ้‡‘๏ผ‰ๅˆๅพŒ @ KERNEL HONGO ๐Ÿ‘ฉโ€๐Ÿ’ป DEEPCORE ใ•ใ‚“ใจใƒใƒƒใ‚ซใ‚ฝใƒณใ‚คใƒ™ใƒณใƒˆใ‚’้–‹ๅ‚ฌใ—ใพใ™ใ€‚็งใ‚‚ใ‚‚ใกใ‚ใ‚“ไผšๅ ดใซใŠใ‚Šใพใ™๏ผ Codex ใ‚’ไฝฟใฃใฆๅฎŸ้š›ใซๆ‰‹ใ‚’ๅ‹•ใ‹ใ—ใฆใฟใŸใ„ๆ–นใฏใ€ใœใฒใ”็™ป้Œฒใใ ใ•ใ„๏ผˆ็™ป้ŒฒๅพŒใ€ๆ‰ฟ่ชใ•ใ‚ŒใŸๆ–นใซใ”ๅ‚ๅŠ ใ„ใŸใ ใ‘ใพใ™๏ผ‰๐Ÿ‘‰๏ธ luma.com/8pcnel6z #Codex
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Kevin Weil ๐Ÿ‡บ๐Ÿ‡ธ
Kevin Weil ๐Ÿ‡บ๐Ÿ‡ธ@kevinweilยท
๐Ÿ’ฅ New in Prism today: Paper Review, an AI workflow for reviewing technical and scientific papers. This is the opposite of AI slop: we're using AI to improve scientific rigor, correctness, and reproducibility.
GIF
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๐Ÿ’ฅ Prismใซใ€ŒPaper Reviewใ€่ฟฝๅŠ ใ•ใ‚Œใพใ—ใŸ๏ผ AIใŒ่ซ–ๆ–‡ใฎๆ•ฐๅผใƒปใƒญใ‚ธใƒƒใ‚ฏใƒปไธปๅผตใฎๅฆฅๅฝ“ๆ€งใพใงใƒใ‚งใƒƒใ‚ฏใ—ใ€ๅŽณๅฏ†ๆ€งใ‚’ๅ‘ไธŠใ—ใพใ™ใ€‚ใƒฌใƒ“ใƒฅใƒผใฏLaTeXใงใใฎใพใพ็ทจ้›†ๅฏ่ƒฝใงใ™ใ€‚ prism.openai.com
Kevin Weil ๐Ÿ‡บ๐Ÿ‡ธ@kevinweil

๐Ÿ’ฅ New in Prism today: Paper Review, an AI workflow for reviewing technical and scientific papers. This is the opposite of AI slop: we're using AI to improve scientific rigor, correctness, and reproducibility.

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Sam Altman
Sam Altman@samaยท
To celebrate 3 million weekly codex users, we are resetting usage limits. We will do this every million users up to 10 million. Happy building!
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OpenAI
OpenAI@OpenAIยท
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.
OpenAI tweet media
Gui Ferreira@gsferreira

ChatGPT voice mode should be available on Apple CarPlay

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Kazuhiro Sera (็€ฌ่‰ฏ)
Kazuhiro Sera (็€ฌ่‰ฏ)@seratch_jaยท
ๅ››ๆœˆใซใชใ‚Šใพใ—ใŸใญใƒผ๐ŸŒธ ไธ‰ๆœˆใซ OpenAI ใ‹ใ‚‰ใฎ้–‹็™บ่€…ๅ‘ใ‘ใฎใƒชใƒชใƒผใ‚นใ•ใ‚ŒใŸใ‚‚ใฎใฎใพใจใ‚ใงใ™ใ€‚่ฆ‹่ฝใจใ—ใฆใ„ใŸใ‚‚ใฎใŒใ‚ใ‚Œใฐใœใฒใƒใ‚งใƒƒใ‚ฏใ—ใฆใฟใฆใใ ใ•ใ„๏ผ
OpenAI Developers@OpenAIDevs

x.com/i/article/2038โ€ฆ

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dominik kundel
dominik kundel@dkundelยท
I built a new plugin! You can now trigger Codex from Claude Code! Use the Codex plugin for Claude Code to delegate tasks to Codex or have Codex review your changes using your ChatGPT subscription. Start by installing the plugin: github.com/openai/codex-pโ€ฆ
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Romain Huet
Romain Huet@romainhuetยท
We just launched Codex use cases! Itโ€™s a gallery of practical examples across coding and non-coding tasks, with real ways to use Codex. One thing I really like: if you have the app, you can open the starter prompt for each use case directly in Codex! developers.openai.com/codex/use-cases
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OpenAI Developers
OpenAI Developers@OpenAIDevsยท
Plugins in Codex? We got you. Explore practical workflows in our use case gallery. Open in one click in the Codex app and start building iOS apps, analyzing datasets, or generating reports and slides. developers.openai.com/codex/use-cases
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OpenAI Developers
OpenAI Developers@OpenAIDevsยท
We're rolling out plugins in Codex. Codex now works seamlessly out of the box with the most important tools builders already use, like @SlackHQ, @Figma, @NotionHQ, @gmail, and more. developers.openai.com/codex/plugins
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Kazuhiro Sera (็€ฌ่‰ฏ)
Kazuhiro Sera (็€ฌ่‰ฏ)@seratch_jaยท
๐ŸŽฅ 4ๆœˆ13ๆ—ฅ๏ผˆๆœˆ๏ผ‰ OpenAI Japan ใŒ ChatGPT Enterprise / Codex ใฎไบ‹ไพ‹ใ‚’ใ”็ดนไป‹ใ™ใ‚‹ใ‚ชใƒณใƒฉใ‚คใƒณใ‚คใƒ™ใƒณใƒˆใŒ้–‹ๅ‚ฌใ—ใพใ™๏ผ NTT ใƒ‡ใƒผใ‚ฟๆง˜ใ€ใ‚ทใƒณใƒ—ใƒฌใ‚ฏใ‚นๆง˜ใซใ”็™ปๅฃ‡ใ„ใŸใ ใใพใ™ใ€‚ ใ”่ˆˆๅ‘ณใฎใ‚ใ‚‹ๆ–นใฏใœใฒใ“ใกใ‚‰ใ‹ใ‚‰ใ”็™ป้Œฒใใ ใ•ใ„ ๐Ÿ‘‰๏ธwebinar.openai.com/openai-enterprโ€ฆ
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Sam Altman
Sam Altman@samaยท
AI will help discover new science, such as cures for diseases, which is perhaps the most important way to increase quality of life long-term. AI will also present new threats to society that we have to address. No company can sufficiently mitigate these on their own; we will need a society-wide response to things like novel bio threats, a massive and fast change to the economy, extremely capable models causing complex emergent effects across society, and more. These are the areas the OpenAI Foundation will initially focus on, and in my opinion are some of the most important ones for us to get right. The Foundation will spend at least $1 billion over the next year. @woj_zaremba, co-founder of OpenAI, will transition to Head of AI Resilience. I believe that shifting how the world thinks about safety to include a Resilience-style approach is critical, and I am extremely grateful to Wojciech for taking on this role. Wojciech has been my cofounder for the last decade; anyone who knows him will understand what I mean when I say he is one of a kind. He has a lot of ideas about how we build a new kind of AI safety. @JacobTref is joining as Head of Life Sciences and Curing Diseases. @annaadeola, our VP of Global Impact, will transition to Head of AI for Civil Society and Philanthropy. @robert_kaiden is joining as Chief Financial Officer. @jeffarnold is joining as Director of Operations.
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Sora
Sora@soraofficialappยท
Weโ€™re saying goodbye to the Sora app. To everyone who created with Sora, shared it, and built community around it: thank you. What you made with Sora mattered, and we know this news is disappointing. Weโ€™ll share more soon, including timelines for the app and API and details on preserving your work. โ€“ The Sora Team
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Codex+Chrome DevTooks MCP ใฎ็ต„ใฟๅˆใ‚ใ›ใ‚’้ขๅ€’ใชใƒ–ใƒฉใ‚ฆใ‚ถใƒ™ใƒผใ‚นใฎไฝœๆฅญใซ้ฉๅฟœใ•ใ›ใ‚‹ #CodexCAMeetup
๐•ค๐•™๐• ๐•œ๐•  ๐•ฆ๐•ฅ๐•ค๐•ฆ๐•Ÿ๐• ๐•ž๐•š๐•ช๐•’ tweet media
๐•ค๐•™๐• ๐•œ๐•  ๐•ฆ๐•ฅ๐•ค๐•ฆ๐•Ÿ๐• ๐•ž๐•š๐•ช๐•’@shokout

OpenAI Codex ้…ไฟกไธญใงใ™ใ€œ๐Ÿง‘โ€๐Ÿ’ป #CodexCAMeetup

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