#
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.
We surface the best developer writing from thousands of independent blogs, updated daily.
Join Diff.blog
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
One Year With The Framework Laptop 13
Sebin Nyshkim ·
Aug 17, 2026
review
hardware
You can just choose how many bugs you want now
nolanlawson ·
Aug 16, 2026
software-engineering
AI
Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things
simonw ·
Aug 16, 2026
AI
Generative AI
★ Anthropic’s ‘Watermark’ Text Adulteration in Claude Is a Perversion of Writing
Daring Fireball ·
Aug 16, 2026
AI Ethics
text-generation
A faster way to calculate the Day of the Week
Ben Joffe ·
Aug 16, 2026
Performance Optimization
modulus techniques
Discover more posts →
AUTHOR
RECENT POSTS FROM THE AUTHOR
Choose how you want to continue.
Continue with GitHub
Continue with Google