When Anthropic dropped Opus 4 recently, the upgrade landed with little hype but plenty of substance: an AI that doesn’t just answer questions, but digs into them and can be super useful as a true AI Assistant. In our tests, Claude outperformed even ChatGPT at investigative tasks using the web search function, without actually activating the deep research model.
That’s why we picked it for a challenge: to see how far its reasoning goes when pushed with advanced prompts—tasks that leave most AIs flailing or hallucinating. When we adapted our prompts to the style Anthropic recommends for Claude, the results were the kind of expert-level analysis you’d expect from a professional, not a machine. (For the record, we did something similar…
Jun 16 2025
