Every general AI assistant can summarise an article and write a birthday message. The differences appear at the edges: what happens with a 200-page tender document, a messy transcript, or a codebase you did not write. That is where I spent three months with Claude Pro.
Long text is the standout
I uploaded a 94-page policy PDF and asked for the three clauses most likely to cause a dispute. Claude quoted them accurately, with page context, and flagged an ambiguity a colleague had also spotted. Repeat tests on transcripts and annual reports gave the same pattern: detail from the middle of a document survives, which is exactly where competitors tend to blur.
For anyone whose job involves reading long things carefully, this is the feature that justifies a subscription.
Writing that does not smell of AI
Claude's default prose is plainer and less padded than rivals. It still overuses certain constructions, and it will happily produce filler if you ask a vague question, but with a sharp prompt the drafts need less rewriting.
- Best at: editing, tightening, restructuring, matching a supplied voice
- Good at: research summaries with sources you then verify
- Still needs you: facts, figures, anything specific to your business
Coding and analysis
Pasting a broken component and asking why it re-renders produced correct, well-explained answers in most cases. It is a strong reviewer and a decent pair programmer, and its willingness to say 'this looks wrong but I cannot see the file that defines X' is more useful than confident guesswork.
Limits and irritations
Heavy sessions on Pro can hit a cap and force a wait, which is genuinely annoying mid-task. It is also occasionally too careful, hedging on requests that need no hedging. Neither is a dealbreaker, but both are real.
Verdict
If your work is words and documents, Claude Pro is the twenty dollars a month I would spend first. If you want an all-round assistant with images, voice and a plugin ecosystem, ChatGPT Plus remains the broader package.