Python 3.14 is out today! Here are my notes on the new release: https://
simonwillison.net/2025/Oct/8/pyt
hon-314/
… If you're an open source library maintainer who supports all current Python releases this also means you can drop 3.9 support now and start depending on features from 3.10, like match/case
@simonw
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Python 3.14 Released: Open Source Library Maintainers Can Drop 3.9
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Brain Coding: New Terminology in AI Development
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I saw someone calling that "brain coding" recently, which I quite like
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Writing Effective Prompts for Coding Agents
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That means writing good prompts. There is SO much more to working effectively with coding agents, see the list in the middle of my piece
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Vibes Engineering: Self-Contradictory Approach to AI Design
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I actually really like the mismatch between "vibes" and "engineering", it makes the combined term self-contradictory in a way that I find mischievous and (hopefully) sticky
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Vibes Engineering Self-Contradiction Creative AI Approach
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I actually really like the mismatch between "vibes" and "engineering", it makes the combined term self-contradictory in a way that I find mischievous and (hopefully) sticky
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Clarification on Codex CLI Cloud and GPT-5-Codex products
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Was this about Codex CLI, Codex Cloud, GPT-5-Codex or all three?
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Image Generation Models: Perfect Pelicans, Failing Ocelots
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I cannot WAIT to have a model spit out a perfect pelican riding a bicycle and then fail miserably at an ocelot riding a transit van
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GPT-5 Pro API generates SVG pelican artwork in minutes
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I got the new GPT-5 pro API model to "Generate me an SVG of a pelican riding a bicycle". This pelican took 6m8s to generate and cost me $1.10!
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OpenAI DevDay Live Blog Coverage and Announcements
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Decided to live blog this morning's OpenAI DevDay announcements, since I'm in the audience
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Programmer Sensitivity and High-Pressure Work Culture Debate
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… or maybe – considering sales offices and call centers have operated like this for decades – us programmers just need to get a bit less sensitive about it!