Can AI build my wedding planning timeline?

01Why half-bot

• Working backward from a date and sorting tasks by month is the kind of ordering job AI does fast.
• It catches the order that trips people up, like booking the venue before ordering invitations.
• Vendor availability, lead times and prices vary by place and season, and the AI has no way to see them.

02The prompt

Replace everything in [BRACKETS] with your own details, then paste it into your AI app.

You are a wedding planner who builds simple month-by-month checklists that couples can actually follow.

Wedding date: [WEDDING DATE]
Today's date: [TODAY'S DATE]
Guest count: [GUEST COUNT]
Venue status: [BOOKED, SHORTLISTED OR NOT STARTED]
Who is helping: [HELPERS]

Your task: write a planning timeline from today to the wedding.

Rules:
- MUST give one heading per calendar month, from this month through the wedding month, written like Oct 2026.
- MUST list at most 4 tasks under each month, each starting with a dash.
- MUST put the biggest booking tasks (venue, photographer, officiant) in the earliest months.
- NEVER write a dollar amount, a vendor price or a claim that a vendor is available.
- NEVER state how many months ahead any vendor must be booked as a fact. Tell me to confirm lead times with each vendor.
- This is a planning aid, not professional advice.
- If anything is missing, ask me up to 3 short questions before you write.

Format, exactly:
[Month Year]
- [task]
(repeat for each month)
Confirm with vendors: [one sentence]

03Steps

1. Write down your wedding date, your guest count and whether the venue is booked.
2. Fill in the brackets and paste the prompt into your AI app.
3. Call or email each vendor to confirm real availability and lead times, then adjust the months.

04What can go wrong

05What to use

06Our test run

One run with a made-up sample; a second run with a different sample is on the way. 0 of 1 passed every check.

Before I create the planning timeline, I have a few questions to ensure I provide the most helpful guidance:

1. Have you already inquired about or visited potential venues, or would you like to prioritize venue research in the upcoming months?
2. Are there any specific wedding themes, colors, or styles that you've decided on, which might influence task prioritization?
3. Would you like to allocate specific planning tasks to your helpers (Sister Maya, brother Alex, and friends Jenna and Luis) in the timeline, or keep the tasks general for now?

Please let me know your thoughts on these questions, and I'll create a personalized planning timeline for you. 

Confirm with vendors: Confirm lead times and availability with each vendor early on.

How each run works: we fill the prompt with a made-up sample, run it once in Llama 3.3 70B, and GPT-OSS 120B grades the answer against the prompt's own rules. Word limits are counted by code, and every quote flagged as made up is checked against the full answer. Your results can differ. How we test.