#
DIFF.BLOG
New
Following
Discover
Jobs
More
Top Writers
Suggest a blog
Upvotes plugin
Report bug
Contact
About
Sign up
The home for great developer writing.
Discover the best posts from developers and engineering teams, all in one place.
Join now
→
Learn more
TOPICS
Codex CLI 0.128.0 adds /goal
1
·
·
April 30, 2026, 11:37 p.m.
AI
openai
Prompt Engineering
Generative AI
AI
openai
Prompt Engineering
Generative AI
Summary
The Codex CLI 0.128.0 introduces a new /goal feature, allowing users to set objectives for Codex that it will pursue until completion or until the token budget is reached, enhancing the coding automation experience.
Read full post on simonwillison.net →
MORE POSTS LIKE THIS
Quoting OpenAI Codex base_instructions
simonw ·
Apr 28, 2026
openai
AI
We have proof automation now
Adam Langley ·
Jul 26, 2026
dependently-typed languages
proof automation
Thoughts about the Leiden Declaration
Gowers Wordpress ·
Jul 26, 2026
AI and maths
AI
Use Your Brain: Engineering Standards in the Age of LLMs
Paolo Galeone ·
Jul 26, 2026
software development
AI in Coding
When Compilers Disagree About UTF‑8
Nemanja Trifunovic ·
Jul 26, 2026
Compilers
UTF-8
Most Googlebots are fake
Digitalseams ·
Jul 26, 2026
Googlebot
Web Scraping
Discover more posts →
AUTHOR
RECENT POSTS FROM THE AUTHOR
Choose how you want to continue.
Continue with GitHub
Continue with Google