4pm @ #GoogleCloudNext! Catch @hwchase17 at a live panel featuring… @Google Director, North America Startups, Customer Engineering Iliana Quinonez @chainguard_dev Co-Founder/CTO @mattomata @HuggingFace Product + Growth @jeffboudier
LLMS
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New llm-openai-via-codex Plugin for GPT-5.5 Released
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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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AI Model Release Furor: Don’t Need to Switch Providers or Declare a Winner
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Among all the model release furor, important to note that people don’t need to switch providers or declare a winner every time a new model is released. Especially as Opus 4.7 is a good model too! (Especially since adaptive thinking got better)
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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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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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OpenAI Launches GPT-5.5 with Advanced Capabilities
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OpenAI just launched GPT-5.5. The OpenAI team was nice enough to give me early access over the last several weeks, and I just want to flag: there is a certain class of models (one that we’re hitting now) where unless you are deep in code or scientific research, you might not
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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.
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CPUs Critical Infrastructure for Agentic AI Performance
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🔥 Hot take: CPUs don’t get enough credit in agentic AI.
— SambaNova (@SambaNovaAI) 23 avril 2026
They prep data, route requests, and coordinate with accelerators, while also handling everything outside the model like code execution, DB queries, and validation.
Without them, inference can’t keep up 🦾
Do you agree… pic.twitter.com/RzBjFUHACdHot take: CPUs don’t get enough credit in agentic AI. They prep data, route requests, and coordinate with accelerators, while also handling everything outside the model like code execution, DB queries, and validation. Without them, inference can’t keep up Do you agree