AI writing tools ChatGPT 5 and Claude 4.1 Opus go head-to-head. Explore their strengths, weaknesses, and which one suits your writing goals.

In May, Anthropic released Claude Opus 4, which the company dubbed its most powerful model yet and the best coding model in ...

Claude Opus 4.1 scores 74.5% on the SWE-bench Verified benchmark, indicating major improvements in real-world programming, bug detection, and agent-like problem solving.

Anthropic's newly released AI, Claude Opus 4 and Claude Sonnet 4, had many concerning behaviors and resulted in upping their safety measures, the report said.

GPT-5 is significantly more cost-effective than Claude Opus 4.1, making it ideal for budget-conscious users, while Claude ...

When set into the fake scenario of being an AI at a pretend company, Claude Opus 4 had access to the email system and found a message stating it would be replaced with a new model. In this case ...