Anthropic's Claude Opus 4.7 has edged out OpenAI's ChatGPT-5.5 in a head-to-head comparison of complex reasoning tasks. In multi-step probability problems, Claude not only reached the correct answer ...
A same-day head-to-head test found Anthropic’s Claude Opus 4.7 delivering deeper reasoning and mathematical rigor than OpenAI’s ChatGPT-5.5 on a complex probability problem, despite both producing ...
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