Anthropic Claude

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. ...

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. ...