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Simon Willison's Weblog
Simon Willison's Weblog·1h ago

你为什么是这样

@scottjla on Twitter in reply to my pelican riding a bicycle benchmark: I feel like we need to stack these tests now I checked to confirm that the model (ChatGP...

Simon Willison's Weblog·6h ago

引用 Romain Huet

Since GPT-5.4, we’ve unified Codex and the main model into a single system, so there’s no separate coding line anymore. GPT-5.5 takes this further, with strong...

Simon Willison's Weblog·14h ago

GPT-5.5 提示词指南

GPT-5.5 prompting guide Now that GPT-5.5 is available in the API, OpenAI have released a wealth of useful tips on how best to prompt the new model. Here's a nea...

Simon Willison's Weblog·19h ago

llm 0.31

Release: llm 0.31 New GPT-5.5 OpenAI model: llm -m gpt-5.5. #1418 New option to set the text verbosity level for GPT-5+ OpenAI models: -o verbosity low. Values...

Simon Willison's Weblog·20h ago

人们并不渴望自动化

The people do not yearn for automation This written and video essay by Nilay Patel explores why AI is unpopular with the general public even as usage numbers fo...

Simon Willison's Weblog·1d ago

DeepSeek V4——几乎达到前沿水平,价格却只是零头

Chinese AI lab DeepSeek's last model release was V3.2 (and V3.2 Speciale) last December. They just dropped the first of their hotly anticipated V4 series in the...

Simon Willison's Weblog·1d ago

毫秒转换器

Tool: Millisecond Converter LLM reports prompt durations in milliseconds and I got fed up of having to think about how to convert those to seconds and minutes....

Simon Willison's Weblog·1d ago

这是个大家伙

This week's edition of my email newsletter (aka content from this blog delivered to your inbox) features 4 pelicans riding bicycles, 1 possum on an e-scooter, u...

Simon Willison's Weblog·1d ago

russellromney/honker

russellromney/honker "Postgres NOTIFY/LISTEN semantics" for SQLite, implemented as a Rust SQLite extension and various language bindings to help make use of it....

Simon Willison's Weblog·1d ago

关于近期 Claude Code 质量报告的更新

An update on recent Claude Code quality reports It turns out the high volume of complaints that Claude Code was providing worse quality results over the past tw...

Simon Willison's Weblog·1d ago

服务于“为你推荐”信息流

Serving the For You feed One of Bluesky's most interesting features is that anyone can run their own custom "feed" implementation and make it available to other...

Simon Willison's Weblog·1d ago

使用网页版 LiteParse 在浏览器中提取 PDF 文本

LlamaIndex have a most excellent open source project called LiteParse, which provides a Node.js CLI tool for extracting text from PDFs. I got a version of LiteP...

Simon Willison's Weblog·1d ago

通过半官方的 Codex 后门 API 为 GPT-5.5 接入鹈鹕模型

GPT-5.5 is out. It's available in OpenAI Codex and is rolling out to paid ChatGPT subscribers. I've had some preview access and found it to be a fast, effective...

Simon Willison's Weblog·1d ago

llm-openai-via-codex 0.1a0

Release: llm-openai-via-codex 0.1a0 Hijacks your Codex CLI credentials to make API calls with LLM, as described in my post about GPT-5.5. Tags: openai, llm, cod...

Simon Willison's Weblog·2d ago

引用 Maggie Appleton

[...] if you ever needed another reason to learn in public by digital gardening or podcasting or streaming or whathaveyou, add on that people will assume you’re...

Simon Willison's Weblog·3d ago

Qwen3.6-27B:27B 稠密模型中的旗舰级编码能力

Qwen3.6-27B: Flagship-Level Coding in a 27B Dense Model Big claims from Qwen about their latest open weight model: Qwen3.6-27B delivers flagship-level agentic c...

Simon Willison's Weblog·3d ago

引用 Bobby Holley

As part of our continued collaboration with Anthropic, we had the opportunity to apply an early version of Claude Mythos Preview to Firefox. This week’s release...

Simon Willison's Weblog·3d ago

GitHub Copilot 个人计划的变更

Changes to GitHub Copilot Individual plans On the same day as Claude Code's temporary will-they-won't-they $100/month kerfuffle (for the moment, they won't), he...

Simon Willison's Weblog·3d ago

Claude Code 会收费 100 美元/月吗?可能不会——这一切都非常令人困惑

Anthropic today quietly (as in silently, no announcement anywhere at all) updated their claude.com/pricing page (but not their Choosing a Claude plan page, whic...

Simon Willison's Weblog·3d ago

拿着业余无线电的浣熊在哪里?(ChatGPT Images 2.0)

OpenAI released ChatGPT Images 2.0 today, their latest image generation model. On the livestream Sam Altman said that the leap from gpt-image-1 to gpt-image-2 w...