GPT-5.6 is now the preferred model in Microsoft 365…

Dev TeamJuly 9, 2026

GPT-5.6 is now the preferred model in Microsoft 365 Copilot, enhancing AI capabilities across various applications.

This update impacts Word, Excel, PowerPoint, Chat, and Cowork, providing faster and higher-quality performance. The integration leverages GPT-5.6's advanced features to improve productivity in these applications.

Source: openai.com

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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,…

Dev Team

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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…

Dev Team

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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…

Dev Team

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SHORT NOTES

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

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

GEO for developers: what gets cited by ChatGPT and Perplexity

Token Economics: What Your Text Actually Costs

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

GEO for developers: what gets cited by ChatGPT and Perplexity

Token Economics: What Your Text Actually Costs

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