Think of these patterns as recipes for teaching AI systems to handle complex tasks. Just like you wouldn't bake a cake by dump-trucking all ingredients into your mouth at once (though we've all been tempted), you need to break AI work into organized steps that won't result in a kitchen fire.
1. Prompt Chaining: The Assembly Line (But Make It Digital)
The idea: Complete tasks in a specific order, like a factory assembly line where each robot does one job before high-fiving the next robot and passing the work along.
How it flows: Step 1 → Step 2 → Step 3 → Final result (hopefully not a disaster)
Real example: Writing a blog post
- First, brainstorm 10 topic ideas (9 will be terrible)
- Then, pick the best one and create an outline (the least terrible one)
- Next, write the full article from that outline (while questioning your life choices)
- Finally, generate a catchy headline (that's probably clickbait, let's be honest)
When to use it: When you know exactly what steps you need and they must happen in order, like getting dressed. Pants THEN shoes, people.
2. Routing: The Smart Receptionist (Who Actually Knows What They're Doing)
The idea: Sort incoming requests and send each one to the right specialist, like a receptionist who's had WAY too much coffee and is terrifyingly efficient at directing calls.
How it flows: Question comes in → Figure out what type it is → Send to the right expert → Get answer (instead of being transferred 47 times)
Real example: Help desk system
- "My laptop won't turn on" → Send to IT support (who will ask if you've tried turning it off and on again)
- "I need to update my address" → Send to HR (who will send you a form that requires a form to access)
- "Where's my paycheck?" → Send to payroll (RUN, don't walk)
When to use it: When you're dealing with many different types of questions that need different kinds of expertise, and you're tired of playing human ping-pong.
3. Parallelization: The Team Approach (Maximum Chaos, Maximum Speed)
The idea: Do multiple jobs at the same time (like having several people working on different parts of a project and praying they don't contradict each other), then somehow combine everything at the end.
How it flows: Start → Do tasks A, B, and C simultaneously (fingers crossed) → Merge results (and hope they make sense together)
Real example: Analyzing a business competitor
- Team member 1: Check their social media (stalking, but make it professional)
- Team member 2: Review their pricing (weeping quietly)
- Team member 3: Study their product features (and wonder why yours aren't that cool)
- Then combine all findings into one report (that basically says "we're doomed")
When to use it: When you have independent tasks that don't need to wait for each other and you want results faster, because who has time in this economy?
4. Orchestrator-Worker: The Project Manager (AKA The One Who Pretends to Have It All Together)
The idea: A "manager" figures out what needs to be done, assigns work to specialists, and adjusts the plan based on what they find. Unlike the assembly line, this one can panic and change direction mid-stream.
How it flows: Manager assesses situation → Creates flexible plan → Assigns specialists → Reviews their work → Has existential crisis → Adjusts approach → Delivers final answer while sweating
Real example: Planning a vacation
- Manager: "Find the best European city for a food lover in July"
- Assigns: Worker 1 (research food festivals), Worker 2 (check weather), Worker 3 (find flight prices that won't require selling a kidney)
- Reviews findings: "Everything's booked and Rome is literally on fire"
- Has minor breakdown, pivots to Portugal
- Assigns new tasks based on that panic decision
- Combines everything into a recommendation (that's somehow still over budget)
When to use it: For complicated tasks where you can't predict all the steps upfront and need to adapt based on what disaster you discover next.
5. Evaluator-Optimizer: The Quality Control Loop (AKA The Perfectionist's Paradise)
The idea: One AI creates something, another AI becomes a harsh critic who peaked in high school, gives feedback, and the first AI tries not to cry while improving it. Repeat until everyone's exhausted but the work is perfect.
How it flows: Create → Check quality → Good? Done! Not good? → Provide soul-crushing feedback → Improve while muttering → Check again → Repeat until heat death of universe
Real example: Writing a professional email
- Writer: Drafts the email (feels pretty good about it)
- Checker: "Too informal, missing key details, also what is this emoji doing here, we're not friends"
- Writer: Revises with dead-inside professional tone and adds deadline (removes emoji sadly)
- Checker: "Much better, but you misspelled 'Wednesday' and honestly that's embarrassing"
- Writer: Fixes typo, questions career choices
- Checker: "APPROVED!" (finally, geez)
When to use it: When accuracy and quality really matter, like legal documents, code, medical information, or emails to your boss asking for a raise.
Mixing Patterns Together (Because Why Make Life Simple?)
Real-world systems often combine these patterns like some sort of AI smoothie. Imagine planning a conference:
- Orchestrator manages the overall project (while having a low-key breakdown)
- Routing sends venue questions to one specialist, catering to another (because the venue person knows nothing about Vada Pav)
- Parallelization researches speakers and venues at the same time (anarchy)
- Evaluator-Optimizer reviews and improves the conference schedule multiple times
- Prompt Chaining handles registration: collect info → verify payment → send confirmation → add to attendee list → forget about that one person who paid in cash
The key is choosing the right pattern (or combination) for your specific task! Or just throw all of them at the problem and see what sticks. We don't judge. Much.
Pro tip: These patterns work for AI, but also eerily describe how humans handle projects. Turns out we've been doing "prompt chaining" our whole lives—we just called it "procrastinating until panic sets in and we do everything in order at 3 AM."
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