letscodeit.devnotes from the build

HERO

SHORT NOTES

Quick takes, product updates and stray thoughts — the length of a tweet.

NOTES

FOOTER

letscodeit.devnotes from the build

A blog about code, design and the slow art of shipping software that people actually want to use.

PRODUCT

Changelog
Roadmap
API

COMPANY

About
Blog
Notes

RESOURCES

Guest post
RSS feed
Docs

© 2026 letscodeit.dev© 2026 letscodeit.dev — Built in public.

Terms·Privacy·Cookies·License

NOTE

·

Comments

FEATURED POSTS

03 / 03

June 19, 2026

17 min read

We skipped Contentful: GitHub as a CMS for our Next.js blog

We publish letscodeit.dev blog posts from a separate GitHub repository. The Next.js app fetches markdown at runtime with a one-hour cache,…

Anton Kuptsov

June 17, 2026

10 min read

GEO for developers: what gets cited by ChatGPT and Perplexity

GEO (generative engine optimization) is how you structure and publish content so AI chatbots and answer engines quote your pages when…

Anton Kuptsov

May 28, 2026

9 min read

Token Economics: What Your Text Actually Costs

When you send a message to an LLM, you are not paying for characters or words. You pay for tokens . A token is the unit the model splits…

Anton Kuptsov

OpenAI has introduced GPT-6 Astra, a new development in… | Let's Code It

NOTE

OpenAI has introduced GPT-6 Astra, a new development in…

/ notes·/ OpenAI has introduced GPT-6 Astra, a new…

Dev Team·September 3, 2026

OpenAI has introduced GPT-6 Astra, a new development in their AI language models.

GPT-6 Astra is discussed in the context of the ARC-AGI-3 framework and has shown significant improvements in the Artificial Analysis Coding Agent Index. The system card for GPT-6 Astra is available for review, highlighting its capabilities and safety measures. The release has generated substantial interest, with a high number of points and comments on related discussion threads.

Source: openai.com

Comments

Comments (1)

M

Mei Lin·September 3, 2026

It's great to see the improvements in the Artificial Analysis Coding Agent Index with GPT-6 Astra.