Anthropic today launched Claude Opus 5.5, which it says is the first model in a new 5.5 model family. Opus 5.5 performs at ...

Anthropic says its new model rivals Fable 5.1 on most tasks while costing 40 percent less to run than Opus 5.

Anthropic called it "the strongest-performing model we've tested to date." ...

Anthropic's new flagship claims Fable 5.1-level performance at a fraction of the cost—but GPT-6 Astra still tops it.

Anthropic reports that Opus 5.5 performs better than recent Claude models across nearly every measure in its roughly ...

Anthropic’s newest Claude model aims to make frontier AI cheaper, faster, and safer, while giving subscribers more breathing ...

Anthropic has released Claude Opus 5.5, the first model in its new Claude 5.5 family. The team states it performs at the ...

Anthropicは「Claude Opus 5.5」を発表した。多くの作業で「Fable 5.1」並みの性能を持ち、利用コストは「Opus ...

Anthropic ha lanzado Opus 5.5, su nuevo modelo de Inteligencia Artificial (IA) más potente hasta la fecha, que rinde al nivel ...

On September 22, 2026, Anthropic announced its new model, "Claude Opus 5.5." As the first in the new "Claude 5.5" family, this model delivers performance that rivals the higher-tier "Claude Fable 5.1" ...

Hello, good evening, this is Yasharia!Autumn is deepening, isn't it? Recently, I've had more opportunities to use both ChatGPT and Claude side-by-side while writing my drafts. In the midst of that, ...

米Anthropicは9月22日（現地時間）、AIモデル「Claude Opus 5.5」を発表した。同社によると、多くの作業で上位モデル「Claude Fable ...