Launches

A new model or tool is out: the tips written for it, grouped by release.

1. GPT-6.1 Sol

   First tip 29 Sep 2026

   • Codex: GPT-6.1 Sol main, medium subagents, Astra review1.1K saves as of 27 Oct 2026

2. Opus 5.5

   First tip 23 Sep 2026

   Official guide
   • Think-carefully cleanup for Opus 5.52.1K saves as of 22 Oct 2026
   • Opus 5.5 main model, medium subagents437 saves as of 21 Oct 2026
   • Setup review by the Opus 5.5 cost guide2.2K saves as of 23 Oct 2026

3. Images 2.5

   First tip 19 Sep 2026

   • Page design as an image first, in Codex4.2K saves as of 17 Oct 2026

4. GPT-6 Pro

   First tip 8 Sep 2026

   • Engineer’s task brief from GPT-6 Pro1.5K saves as of 15 Sep 2026

5. Fable 5.1

   First tip 3 Sep 2026

   Official guide
   • /claude-api prompt-audit: skill audit for Fable 5.1479 saves as of 1 Oct 2026

6. GPT-5.6 Luna

   First tip 1 Aug 2026

   • Luna Max as a Codex subagent6.1K saves as of 29 Aug 2026