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Built for thinkers, not just prompters

Stop fighting AI.
Start thinking clearly.

Prompt Doctor diagnoses the thinking flaws behind weak prompts, rewrites them at a higher level, and coaches you to reason like a strategist — not a search-engine user.

Free forever for basic analysis. No card required.

A second brain for your prompts

Diagnose flaws

Find the missing context, vague verbs and untested assumptions in any prompt.

Rewrite at a higher level

Get a tightened, structured prompt with clear roles, constraints and success criteria.

Learn the thinking

Each analysis ends with a short lesson — so next time you write the better prompt yourself.

How it works

Tap a step to jump to it.

Diagnosis

We scan your prompt for missing context, vague verbs, untested assumptions and structural gaps.

Why it failed

A clear breakdown of the thinking errors behind the prompt — so the fix isn't just cosmetic.

Rewrite

A tightened, structured rewrite with explicit roles, constraints and success criteria.

Coaching

A short lesson on the reasoning move you missed — so next time you write the better prompt yourself.

Simple pricing

Start free. Upgrade when thinking better starts paying off.

Free

£0

Basic prompt analysis

  • 5 analyses / day
  • Diagnosis + rewrite
  • Save up to 10 prompts

Pro

Most popular
£15/mo

For serious thinkers and builders

  • Unlimited deep analyses
  • Prompt Academy — full curriculum
  • AI thinking coach
  • Notes system with tags
  • Priority models (GPT-5, Gemini 2.5 Pro)
  • Shareable analysis links with access control