“So I've been leaning on GPT 5.4 a lot more this month.”
GPT-5.4
By OpenAI
1 recommend/use · 1 sourced episode
Every sourced reference
Short attributed excerpts only. Timestamps are approximate.
Related frameworks
Hoard What You Know How To Do
Keep a searchable backlog of verified, working experiments so agents can recombine them into new solutions.
Red/Green TDD for Coding Agents
Force agents to write the test first, watch it fail, then pass — the compressed prompt is just 'red/green TDD'.
The Dark Factory Software Model
Ship production software no human writes or reads — replace review with simulated-user QA swarms.
The Lethal Trifecta
Any AI agent that combines three capabilities can be tricked into stealing your data — cut one leg.
The Thin Skeleton Template
Start every project from a minimal template — agents copy its style far better than they follow prose instructions.
The Vibe-Coding Blast-Radius Rule
Vibe-code freely when only you get hurt by bugs; stop and take responsibility the moment others could.
Three-Prototype Ideation
Since prototypes are now free, build a feature three ways and let real use pick the winner.
People in these episodes
Related resources
- Anthropic
- AppleScript
- ChatGPT
- Claude
- Claude Code
- Claude Opus 4.5
- Claude Opus 4.6
- Cloudflare
- Docker
- Dropbox
- GitHub
- Google DeepMind
- Kākāpō Recovery Programme
- Lenny's Newsletter
- Lenny's Podcast
- Lenny's Product Hunt Pass
- Linear
- Mac mini
- Nano Banana
- Netflix
- OpenAI
- OpenAI Codex
- OpenAI o1
- OpenClaw
- Shopify
- Simon Willison's Weblog
- Super Bowl
- Tesseract OCR
- Vanta
Spot an error or want this page removed? Request a correction or removal.