It's an SVG if there's a text version of it that starts with <svg – any good image generation model will produce a beautiful vector-style flat illustration if you ask it for an SVG, but it won't write actual code
CODE
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Opus 4.8 more cooperative but still expensive
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Worked on some code this morning using Opus 4.8 and so far I'm really liking it. Much more cooperative than 4.7 and less "over agentic". Stops and asks for my input when needed in places 4.7 (and GPT 5.5) would just foolishly blast ahead. (Still WAY too expensive.)
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Potential OOM inefficiencies suspected in xAI’s training code
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i.e I wouldn't be at all shocked to hear that there are (were?) OOM inefficiencies in xai's training code base.
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Jax vs C: inefficient implementation comparison
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IIUC the previous training code at xai was super inefficient. Perhaps the 10x is comparing to that? So it's not really "jax vs C" but "crappy jax impl vs less crappy C impl"?
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Visualization of all humans generated by Opus 4.8 in Claude Code
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How lucky are you to have been born when and where you are? Had Opus 4.8 in Claude Code whip up a new visualization of all humans who ever lived. In addition to being neat, it is an interesting test of combining research, code, design and stats for an AI. https://
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How to install AI agent skills or plugins in Codex
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Yes! You can install it as a skill or as a plugin in codex, to install it as a plugin after you click on “Add more”, in the source in the next modal just add this: “MagicPathAI/agent-skills".
If you prefer the terminal:
codex plugin marketplace add MagicPathAI/agent-skills Then -
Shader test as a measure of AI coding capability
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Except a shader like this is a very good measure of model capability because of the technical difficulty of building this sort of code. It translates to other coding as well. Feel free to see my many other tweets and substack posts (& book) about AI applications in businesses.
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AI Agent Autonomously Automates PR Merge Workflow
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While working on openai/codex today, Codex surprised me by setting up its own heartbeat automation to poll my PR until CI was green and approvals were in. It kept checking every 10 minutes for an hour, merged the PR once everything was ready, then removed the automation. High
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The Age of Async Agents: Devin’s Growth, AI Commits, and Cloud Engineering
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🆕The Age of Async Agents: Devin’s 7x PR growth, 80% AI commits, background agents, memory, testing, & Open-Inspect https://t.co/x5Hw5S3egc@cognition cofounder + CPO @walden_yan and Open-Inspect creator @_colemurray explain why engineering is moving from local IDEs to cloud… pic.twitter.com/fciT77nJNI
— Latent.Space (@latentspacepod) 28 mai 2026The Age of Async Agents: Devin’s 7x PR growth, 80% AI commits, background agents, memory, testing, & Open-Inspect https://
latent.space/p/cognition @cognition cofounder + CPO @walden_yan and Open-Inspect creator @_colemurray explain why engineering is moving from local IDEs to cloud