Learn to get more out of AI.
Practical reading for people who use ChatGPT, Claude or Gemini at work, written from hands-on work with real prompts. A new post goes up every Tuesday.
- prompt templates
- 319
- guides
- 18
- blog posts, one more every Tuesday
- 9
- use cases by team and industry
- 16
- terms in the glossary
- 31
If you read three things
The life of a prompt, step by step
Every prompt that matters goes through the same stages. Each one has a guide and a tool.
Latest from the blog
- AI for DCF valuation: what to delegate, what to checkA language model reads filings and argues with your story well, and it should never compute a discount factor or supply a share count.
- Why your AI writes like a brochure, and how to stop itBrochure prose fills the space where facts should be, so take the style words out of your prompt and put the facts, the reader and a length in.
- Chatbot system prompt: write it like a contractScope, sources of truth, promises the bot may not make, refusals, escalation and injection defenses, written as clauses you can test.
- What a support chatbot costs at 10,000 chats a dayTurn-by-turn arithmetic on six models shows why conversation history drives the bill, what caching and batch save, and why cost per resolved conversation is the number to watch.
By team and industry
How finance, marketing, support, HR, legal, healthcare, education and more use prompts, with workflows and monthly costs.
- Finance and accounting
- Healthcare administration
- Education and training
- Marketing
- Real estate
- Sales
- Customer support
- Ecommerce and retail
- Agencies and consulting
- HR and recruiting
- Banking and insurance
- Legal and compliance
- Operations
- SaaS and startups
- Nonprofits
- Product and engineering
Reference
Every guide
New to AI
Using AI at work
- The ten checks of a well-written promptWriting, 9 min
- Choosing an AI model for business: cost, quality, speedModels, 8 min
- AI prompts for customer support that follow policySupport, 10 min
- Sales and marketing prompts that don’t sound like AIMarketing, 8 min
- Rolling out AI prompts to a team: a shared libraryTeams, 8 min
- Using AI at work safely: a practical risk checklistSafety, 9 min
Building AI features
- How to write a system prompt for a chatbot or assistantBuilding, 10 min
- Prompting Claude vs GPT vs Gemini: what differsModels, 12 min
- How to test a prompt before you ship itTesting, 10 min
- Extract data from invoices and PDFs with AIData, 9 min
- How to reduce AI hallucinations at workAccuracy, 8 min
- What an LLM call really costs: tokens and cachingCost, 9 min
- Prompt injection explained: stop system prompt leaksSafety, 10 min
- How to measure an AI feature after launchMeasuring, 7 min