GPT-5.5 prompting guide
A guide on prompting GPT-5.5, including tips for multi-step tasks, migration advice, and starting fresh with new prompts.
A guide on prompting GPT-5.5, including tips for multi-step tasks, migration advice, and starting fresh with new prompts.
Analysis of Bloomberg's 2024 report on John Ternus as Tim Cook's likely successor at Apple, with commentary on CEO transition claims.
Release notes for llm 0.31, a command-line tool for accessing large language models, featuring GPT-5.5 support and new options.
Release notes for llm 0.31, a command-line tool for accessing large language models, featuring GPT-5.5 support and new options.
Analysis of why AI and automation are unpopular with the general public despite rising usage numbers, exploring the concept of 'software brain'.
Analysis of why AI and automation are unpopular with the general public despite rising usage numbers.
A guide to React rendering fundamentals and how the React Compiler optimizes app performance.
Review of new RTL8159-based 10 GbE USB adapters that are smaller, cooler, and cheaper than Thunderbolt alternatives, with performance tests on various computers.
Debunking the myth that Safari is better for battery life than Chrome, citing real test data showing Chrome performed slightly better.
Explores profunctors in category theory, defining them as heteromorphisms between categories and their role in a double category combining functors and profunctors.
Daily tech news roundup covering AI, .NET, web development, and Microsoft tools for April 24, 2026.
DeepSeek V4 preview models offer frontier-level performance at a fraction of the cost, with up to 1M token context and open weights.
DeepSeek releases V4 Pro and Flash AI models, offering frontier-level performance at significantly lower costs.
A tool to convert milliseconds to seconds and minutes, created by Simon Willison to simplify LLM prompt duration conversions.
A tool to convert milliseconds to seconds and minutes, created by Simon Willison for LLM report durations.
Simon Willison's newsletter summary featuring tech posts on DeepSeek V4, LiteParse, and Agentic Engineering patterns.
Honker implements Postgres NOTIFY/LISTEN semantics for SQLite, enabling queues and streams with transactional outbox pattern.
Honker is a Rust SQLite extension implementing Postgres NOTIFY/LISTEN semantics for queues and streams.
Anthropic's postmortem on Claude Code quality issues reveals three bugs in the harness causing forgetfulness and repetition.
Anthropic's postmortem on Claude Code quality issues reveals three bugs affecting user sessions, including a memory-clearing bug causing forgetfulness.