Anthropicは22日(米国時間)、最新のAIモデル「Claude Opus 5.5」を提供開始した。ほとんどの作業において最上位モデル「Fable 5.1」と同等の性能を発揮し、コストは現行の「Opus 5」よりも40%安くなる ...

Also today, OpenAI released GPT-6 Sol and GPT-6 Luna, two lower-cost members of its GPT-6 family. Sol costs $2 per million input tokens and $10 per million output tokens — exactly half Opus 5.5’s base ...

The successor to the notoriously chatty Claude Opus 5, the updated Opus model seems less prone to rambling about “loose ends” and other dangling threads. Better coding performance, improved safety and ...

Today, we’re excited to announce the availability of Claude Opus 5.5 on Amazon Bedrock and Claude Platform on AWS, the first of the Claude 5.5 model family. Claude Opus 5.5 is Anthropic’s most capable ...

The company released a cheaper, faster model that it said was the strongest performer on its most rigorous internal safety tests to date. By Emmy Martin Reporting from San Francisco Anthropic on ...

Anthropic has released Claude Opus 5.5, a new AI model the company says performs at roughly the same level as its Claude Fable 5.1 model on most work, but at a significantly lower cost. The model, ...

Anthropic is launching Claude Opus 5.5, the first model in a new family. The company says it delivers Claude Fable 5.1-level performance while costing significantly less and running faster than its ...

Sept 22 (Reuters) - Anthropic on Tuesday launched Claude Opus 5.5, a new AI model that it says delivers performance comparable to its top-tier Fable 5.1 while ‌costing 40% less to run than its ...

Anthropic’s newest model, Opus 5.5, was released on Tuesday, setting a new state-of-the-art in coding and knowledge work performance, according to the company. Opus is the most capable and expensive ...

Claude Opus 5.5 comes with improvements to certain behaviors, like attempting to escape testing environments. Claude Opus 5.5 comes with improvements to certain behaviors, like attempting to escape ...

Claude Opus 5.5, Anthropic’s newest Opus model, is now available in GitHub Copilot. You can use it for agentic coding, long-running agentic tasks, and knowledge work. In early testing, Opus 5.5 ...

Anthropic today introduced Claude Fable 5.1 and Claude Mythos 5.1, which the company says are the "world's most advanced models for coding and knowledge work." According to Anthropic, Claude Fable 5.1 ...