You might enjoy my new llm-openai-via-codex plugin! https://
simonwillison.net/2026/Apr/23/gp
t-5-5/#llm-openai-via-codex
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TOOLS
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New llm-openai-via-codex Plugin for GPT-5.5 Released
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Fleet presentation feature impresses colleagues with design skills
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Try out Fleet's presentation feature, and impress your colleagues with y̶o̶u̶r̶ Fleet's slide design skills today!https://t.co/YJI6Y7SjK0 https://t.co/yEyYfHAxsu
— LangChain (@LangChain) 23 avril 2026Try out Fleet's presentation feature, and impress your colleagues with y̶o̶u̶r̶ Fleet's slide design skills today! http://
langchain.com/langsmith/fleet -
GLM 5.1 Outperforms Kimi 2.6 on Large Context Tool Use
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GLM 5.1 is AWESOME right now. Kimi 2.6 is still struggling for me with the huge context and lots of tools, but GLM 5.1 is powering through it like a champ, making good tool use and responding quick. For me, Kimi 2.6 is still problematic.
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Creating TikTok Thumbnails & Ads with AI
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I just created two images with GPT Image 2 on Pollo AI, all directly from my phone: GRWM thumbnail for TikTok Luxury fashion ad with Mediterranean light All from a single prompt. No errors, no weird text, no loss of style. No gear. No studio. Just me and my phone. This
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AirJelly AI Tool Now Available for Free Download
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you can download and try AirJelly for free here:
→ https://
airjelly.ai -
GPT-5.5 Pro Testing: Social Science Research, RPG Development, and Hard Problems
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Here’s my view on GPT-5.5, which I have been testing for a couple of weeks. It conducted not-bad social science research on its own, developed a novel RPG & more. There is still jaggedness but GPT-5.5 Pro is (for today) the best model for hard problems.
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Databricks Named Gartner Customers’ Choice for Analytics Platform
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Databricks is a @Gartner_inc Peer Insights Customers' Choice for Analytics and Business Intelligence Platforms. Modern BI should do more than display dashboards. Databricks AI/BI and Genie give teams trusted data, interactive dashboards, and the ability to use natural language
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AI Tool Condenses Multiple Research Tabs Into One Summary
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🚨 Doing heavy research or deep work?
— Charly Wargnier (@DataChaz) 23 avril 2026
You need to see this.
I just turned 14 chaotic open tabs into a beautifully clean one-page summary.@airjellyAI is going to be a total LIFESAVER for PhDs & researchers trying to organize scattered thoughts 👀pic.twitter.com/vTmVR0m4U7 https://t.co/ux5Tgbh7DVDoing heavy research or deep work? You need to see this. I just turned 14 chaotic open tabs into a beautifully clean one-page summary. @airjellyAI is going to be a total LIFESAVER for PhDs & researchers trying to organize scattered thoughts
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GPT-5.5 Available via Codex API Backdoor for Image Generation
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GPT-5.5 may not be in the official OpenAI API… but it's available via the apparently approved-of Codex API backdoor So I used that to make these pelicans (default and xhigh)! https://
simonwillison.net/2026/Apr/23/gp
t-5-5/
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GPT-5.5 Builds Playable Three.js Game in One Shot
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This is the game GPT-5.5 built for me in one shot, featured on the release page.
— Pietro Schirano (@skirano) 23 avril 2026
What makes it different from previous AI-generated games is how fun it actually feels to play.
The controls are smooth, and every shape is generated from scratch in Three.js. pic.twitter.com/dMQE2JbZvzThis is the game GPT-5.5 built for me in one shot, featured on the release page. What makes it different from previous AI-generated games is how fun it actually feels to play. The controls are smooth, and every shape is generated from scratch in Three.js.