Really glad to hear Codex + GPT-5.5 has been working well for you across so many tasks! Always open to feedback on where we can make it better.
AI
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China’s Robot Turtle Achieves Air Water and Land Mobility
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China’s Multi-Modal “#Robot Turtle” Showcases Seamless Air, Water, and Land Mobility
— Ronald van Loon (@Ronald_vanLoon) 30 avril 2026
by @lukas_m_ziegler#Robotics #ArtificialIntelligence #Innovation #Technology pic.twitter.com/cmuTHfpJLKChina’s Multi-Modal “#Robot Turtle” Showcases Seamless Air, Water, and Land Mobility
by @lukas_m_ziegler #Robotics #ArtificialIntelligence #Innovation #Technology -
ChatGPT Goblin Persona Origin: Nerdy Reward Signal Analysis
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ICYMI: The origin story of Goblins “the Nerdy personality was only 2.5% of ChatGPT responses but accounted for 66.7% of all “goblin” mentions. In the audit, the Nerdy reward signal preferred goblin/gremlin outputs in 76.2% of datasets.”
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Codex App Uses GPT-Image-2 to Design and Build Web Apps
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You can just ask Codex to generate an image or a design in the Codex app! Our Build Web Apps plugin uses GPT-Image-2 automatically to design then build.
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Agent-World: Scaling Real-World Environment Synthesis for General Agent Intelligence
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Agent-World: Scaling Real-World Environment Synthesis for Evolving General Agent Intelligence Paper: https://
arxiv.org/abs/2604.18292
Project: https://
agent-tars-world.github.io/-/ -
Agent-World: Self-Evolving AI Agent Training Arena Using Real APIs
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What if your AI agent could train itself in thousands of real-world environments instead of static datasets? Renmin University of China and ByteDance Seed introduce Agent-World, a self-evolving training arena. It automatically discovers real-world tool ecosystems (like APIs
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Teams Already Using Codex as a Verb Internally
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Yes, we’re already saying it internally! You can just Codex things!
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Prompt obsolescence: static instructions fail with evolving AI models
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But the complaint threads are missing the most important variable. Your prompts are static. The models are not. That prompt you wrote six months ago was optimized for a model that no longer exists. The instruction structure, the constraints, the output format. All calibrated
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AI perceived as dumber, users petition for GPT-4o return
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“AI is getting dumber.” That’s the most popular take on AI Twitter right now. 22,000 people signed a petition to bring back GPT-4o. Reddit threads titled “GPT-5 feels like 3.5” are hitting the front page weekly. Mainstream press picked it up. Reuters, The Guardian, Ars