Quick answer

For complex problems in Claude: (1) give the full context and attach the actual documents, (2) explain what a successful result looks like, (3) work in stages rather than one giant request, (4) ask Claude to state its assumptions and uncertainties, and (5) verify key facts and numbers yourself.

Where Claude tends to be most useful

Structure prompts for complex tasks

Anthropic's own prompting guidance emphasizes being clear and detailed, using examples, encouraging step-by-step reasoning, and specifying length and format. In practice that translates to a simple template.

A reusable template

Situation: I run a 12-person design agency and we're deciding whether to move from hourly billing to fixed-price projects.
Material: Attached are our last 20 project summaries (hours quoted vs. hours spent).
Task: Analyze whether fixed pricing would have been more or less profitable, and where the risks concentrate.
What good looks like: A recommendation with a clear reason, the assumptions you made, and what data would change your view.
Format: One-page memo, then a short list of follow-up questions.

Techniques that help

Use the workspace features deliberately

The Claude app includes several optional features. Which appear for you depends on your plan and settings, so treat this as a map of what to look for.

FeatureUse it when
ProjectsA task will span many chats and share the same files and instructions
File uploadsThe answer depends on a document, spreadsheet or image you have
ArtifactsYou want a document, page or small tool you can view and iterate on
Web search / researchThe question depends on recent or external information
Memory and preferencesYou want consistent tone or format preferences across chats
Model choiceSimple task: a faster model. Hard reasoning: a more capable one

A worked example: preparing for a difficult negotiation

  1. Brief: Describe both parties, your goals, your fallback options, and the deadline. Upload the current proposal.
  2. Map: Ask Claude to identify the other side's likely interests, not just their stated positions.
  3. Test: Ask it to play the counterparty and object to your opening offer; revise.
  4. Prepare: Request a one-page summary of your priorities, your walk-away point, and three trades you can offer.
  5. Verify: Check any market figures or legal points with reliable sources or a professional.

Verifying and improving results

Common mistakes

Limitations and when to use something else

FAQ

How do I get more thorough answers from Claude?

Provide full context and documents, describe what a good answer looks like, ask for step-by-step reasoning where useful, and specify length and format.

What are Claude Projects useful for?

Projects keep related chats, files and instructions together so you don't have to re-explain a long-running task.

Does Claude make mistakes?

Yes. Verify important facts, calculations and citations independently.

Which Claude model should I choose?

Anthropic offers several tiers that trade speed and cost against capability. Use faster models for simple work and more capable ones for hard reasoning; check the model picker for your plan.