I tested Claude 4.5 vs ChatGPT-5 with 9 tough prompts — and there's a clear winner

I tested Claude 4.5 against ChatGPT-5 in 9 challenges from logic puzzles to storytelling. Here’s which AI won.
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Anthropic Unveils Claude Sonnet 4.5

Anthropic introduced a new Claude model called Sonnet 4.5, highlighting advances in software development help and autonomous ...

Anthropic’s Claude Sonnet 4.5 Can Code for Up To 30 Hours Straight

Anthropic launched Claude Sonnet 4.5, claiming the title of the world's best coding model, being able to do it for up to 30 ...
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Claude Sonnet 4.5 Debuts Globally With Big Coding Upgrades and a New Agent SDK

Anthropic claims Claude Sonnet 4.5 also makes major strides in terms of safety, with fewer cases of deception, sycophancy, and harmful outputs. The release uses ASL-3 protections with powerful ...