Claude Sonnet

If you have hit extended thinking and adaptive thinking back to back in Claude’s docs and wondered whether they are the same thing, you are not alone. Short answer: they are not, and you are almost certainly using adaptive thinking already without realizing it 🧠 What Is “Thinking” in Claude? Before answering, Claude can use a scratchpad to reason through the problem on its own. It works step by step, rules out possibilities, does the math, then delivers the final answer. ...

Update: Claude Mythos 5.1 Is Out (September 1, 2026) The Mythos line was updated with Claude Mythos 5.1 on September 1, 2026. It is the identical model to Claude Fable 5.1, released the same day, with only the level of safeguards differing. It scores 60.9% on Terminal-Bench 4.0 against the Fable build’s 55.8%, and access stays limited to verified organizations under Project Glasswing. For benchmarks, pricing and API changes, read Claude Fable 5.1 . There is a new development every single day in the artificial intelligence world, but this time, the news is truly different. Anthropic announced a brand new model called Claude Mythos Preview on April 7, 2026. Moreover, they brought along a massive cyber defense initiative called Project Glasswing. ...

Hello everyone! 🚀 Anthropic has made waves in the AI world once again! Announced on February 5, 2026, Claude Opus 4.6 emerges as the company’s smartest model to date. So what new features does this model bring? Let’s dive in! 😊 What is Claude Opus 4.6? Claude Opus 4.6 is the latest member of Anthropic’s Opus family. Surpassing its predecessor Claude Opus 4.5 in many areas, this model offers significant improvements especially in coding, long-running agentic tasks, and working with large codebases. ...