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AI Model Review

Claude by Anthropic in 2026: Opus 4.8, Sonnet 5, the Return of Fable 5, Cowork and Applications for Managers

22 min read

Anthropic ships Claude updates almost every two weeks. Behind the version numbers, what matters to a manager is what actually changes in the work. Three key events happened by the summer of 2026. On May 28, the new flagship Claude Opus 4.8 shipped – its strength is reliability: it judges its own work more honestly and is less likely to deliver a confident but wrong result. On June 30, Claude Sonnet 5 arrived – the new default model for Free and Pro users. And Fable 5, after being taken offline at the demand of US authorities, returned on July 1 – Anthropic hardened the safeguards, and the model is stable and available again. A context window of 1 million tokens has long been available to all users at no extra cost.

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Claude by Anthropic in 2026: Opus 4.8, Sonnet 5, the Return of Fable 5, Cowork and Applications for Managers
ChatGPT in 2026: What Changed and Where Managers Should Start
15 min

ChatGPT in 2026: What Changed and Where Managers Should Start

By 2026, calling ChatGPT just a “chatbot” feels off. It’s a working platform with several models, search, deep research, an agent mode, image generation, and Codex for development. The Sora video platform, previously part of the ecosystem, was retired as a consumer product in April 2026. And precisely because of that, newcomers find it harder to grasp the main thing: what among all of this does an ordinary manager actually need, and what still matters only to power users and tech teams.