me and GPT 5.5 building an app tonight at 3 am
GENERATIVE AI
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AI Achieves Record 62/100 on Senior Engineer Benchmark
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It scored a 62/100 on my Senior Engineer benchmark, a new record! Worked for almost a day:
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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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API Safety Claims Questioned: Criminals Bypass Security Measures
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If you can’t stop small teams from using your API for distillation, then you’re definitely not stopping criminals, biohackers, or adversarial states from using AI through it. Those actors are much more sophisticated. The whole "APIs are safer" is a hoax!
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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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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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Google TPU 8i Co-Designed for Low Latency Inference
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TPU 8i is co-designed with our Gemini research team to support low latency inference. Among the attributes that support this are large amounts of on-chip SRAM, enabling more computations to be done on chip without having to go to HBM for weights or KVCache state as often. The
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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