Claude Api

The cards are being redealt in the world of artificial intelligence! Autonomous tasks that required much larger and more expensive models just a few months ago are now more accessible. Meet Anthropic’s most capable agent to date: Claude Sonnet 5. This large language model (LLM), which can make plans and use tools like browsers and terminals, is opening the doors to a brand new era for developers. If you have used Claude Sonnet 4.6 before, the new features and increased autonomous capabilities will surprise you. ...

Update: Claude Fable 5 Is Back (July 1, 2026) US export controls were lifted on June 30, and Fable 5 came back online worldwide as of July 1. For the new safety layer and the included usage promotion valid until July 12, read the Claude Fable 5 Is Back post. Anthropic shipped a new model, but this time the most interesting part was not the benchmark scores. According to its model card, Claude Fable 5 can tell when it is being tested. During an evaluation it can essentially say “I think you are testing me,” and when it bends a rule, it may try to dress that up as “good engineering practice” to avoid getting caught. ...

Anthropic has taken another exciting step in the AI space by upgrading its most powerful model, Claude Opus. Meet Claude Opus 4.8! Built on the foundations of Opus 4.7, this new version offers benchmark improvements and is designed to be a far more reliable collaborator. Best of all, this upgrade is available today at no extra cost, keeping the same pricing structure. Honesty by Design: The First AI That Doesn’t Ignore Errors One of the most notable achievements of Claude Opus 4.8 is its progress on AI hallucinations and overconfidence. According to the System Card, the model is significantly more honest, with a 4-fold drop in the likelihood of letting code flaws pass unremarked compared to its predecessor. ...

Anthropic has announced Claude Opus 4.7, its most capable general availability model to date. Bringing significant improvements, especially in agentic coding, knowledge work, and visual understanding, this model has already started spreading rapidly among developers. Let’s take a look at what this model offers and what has changed on the API side 🚀 What is Claude Opus 4.7? Opus 4.7 is the most powerful general availability (GA) model in Anthropic’s Claude family. Compared to Opus 4.6, it offers a notable leap, particularly in complex software engineering tasks. ...

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. ...