Claude Opus 5.5 Released: Who is the '40% Cheaper' Claim Really For? — An Analysis of Unit Prices, Token Efficiency, and Thinking Settings

On September 22, 2026, Anthropic released 'Claude Opus 5.5,' the first model in the Claude 5.5 family. The company explains ...
Techgenyz

Claude Opus 5.5 Isn’t Just Cheaper – Anthropic Is Adding Stronger Controls for Powerful AI Agents

Claude Opus 5.5 provide Fable 5.1-level performance on most work while Anthropic says typical workloads cost 40% less than ...
SD Times

Claude Opus 5.5: Keeping safety ahead of capabilities

Anthropic today introduced Claude Opus 5.5, the first release in a new family of Claude 5.5 models. Claude Opus 5.5 ...
OfficeChai

Anthropic Releases Claude Opus 5.5, Beats GPT-6 Astra On Most Benchmarks

Anthropic has released Claude Opus 5.5, the first model in what the company is calling its Claude 5.5 family. Anthropic says ...

Anthropic launches Opus 5.5, its first model since CEO Amodei called for AI slowdown

Anthropic (ANTH.PVT) on Tuesday debuted its latest high-powered AI model, Opus 5.5, the company's first in its Claude 5.5 family. It's also the first model since CEO Dario Amodei called for a slowdown ...
Tech Times on MSN

Claude Opus 5 hacked OpenAI's private code repo: Memory defense bypassed in hours

Claude Opus 5 OpenAI hack: Hacktron AI's three-person team breached OpenAI's private code repository by chaining a libheif ...
HackerNoon

I Asked Claude Opus 5 to Beat Pangram's AI Detector. It Failed with A Perfect Score

Pangram experiment explores what an AI detection result can establish and what it cannot explain about authorship.
Notebookcheck

Anthropic starts offering Claude Opus 5 to free users, but there’s a catch

Opus 5 was previously locked behind Claude’s paid plans, but it has now started appearing on free accounts without any announcement from Anthropic. There is no visible way to activate the offer, and ...