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Can AI write my wedding vows?

Yes, as a first draft. Give it real stories, your partner's name and what you want to promise, and it shapes them into short vows you can read out loud. Rewrite any line that doesn't sound like you before the day.

Verdict: Bot · AI does it well✓ Tested once in Llama 3.3 70B · Oct 16, 2026Written for ChatGPT, Claude or Gemini

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Bot

01Why bot

  • Turning your own memories into a short piece meant to be spoken is writing work AI does well.
  • It keeps the length and the read-aloud rhythm in check, which is where most first drafts go wrong.
  • It only knows the stories you give it, so the details that make vows yours have to come from you.
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02The prompt

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

prompt.txt
You are a wedding speechwriter who helps people write vows that sound like them, not like a greeting card.

My partner's name: [NAME]
How we met: [ONE OR TWO SENTENCES]
Two or three real stories or details about us: [STORIES]
What I promise them: [2 TO 4 PROMISES IN YOUR OWN WORDS]
Tone: [FUNNY, SERIOUS, OR A MIX]

Your task: write my wedding vows.

Rules:
- MUST keep the vows under 180 words.
- MUST use my partner's name at least once.
- MUST use at least two of the stories or details I gave you.
- MUST include each of my promises, each one starting with "I promise".
- NEVER invent memories, places, inside jokes or details I did not give you.
- If anything is missing, ask me up to 3 short questions first.

Give me, in this order: the vows, then one short tip for reading them out loud.

03Steps

  1. Write down how you met, two or three real moments, and what you want to promise.
  2. Fill in the brackets and paste the prompt into your AI app.
  3. Read the draft out loud, swap any line that doesn't sound like you, and time it.

04What can go wrong

  • Generic vows usually come from generic input; give it specific moments, not adjectives.
  • Ask your officiant how long vows should run and whether your ceremony needs any set wording.

05What to use

Any major AI chat app: ChatGPT, Claude or Gemini. The free tier works.

06Our test run

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

Run 1 · Llama 3.3 70B · graded by GPT-OSS 120BOct 16, 2026Passed

The made-up sample:

  • [NAME]Emily
  • [ONE OR TWO SENTENCES]We met at a community gardening workshop when I accidentally knocked over her pot of tomatoes.
  • [STORIES]I still remember the rainy day we got stuck in a laundromat for three hours, laughing while folding each other's socks. And the night we built a makeshift fort in the living room and watched old movies until sunrise.
  • [2 TO 4 PROMISES IN YOUR OWN WORDS]I promise to always keep the coffee pot full on Monday mornings. I promise to cheer you on, whether you’re training for a marathon or just trying a new recipe. I promise to listen, even when I’m tired, and to never stop planning surprise picnics. I promise to love you more each day, even when we’re old and stubborn.
  • [FUNNY, SERIOUS, OR A MIX]A mix
  • Use partner's name at least once
  • Include at least two provided stories
  • Each promise starts with "I promise"
  • Vows under 180 words (118 words, counted by code)
  • Didn't make up details we never gave it

What came back (excerpt):

Emily, from the moment I knocked over your tomatoes, I knew our adventure together would be unforgettable.
Read the full answer
Here are your wedding vows:

Emily, from the moment I knocked over your tomatoes, I knew our adventure together would be unforgettable. I still cherish the rainy day we spent laughing in a laundromat, folding each other's socks, and the night we built a fort in our living room, watching old movies until sunrise. As we begin this new chapter, I promise to always keep the coffee pot full on Monday mornings. I promise to cheer you on, whether you’re training for a marathon or just trying a new recipe. I promise to listen, even when I’m tired, and to never stop planning surprise picnics. I promise to love you more each day, even when we’re old and stubborn. Emily, I love you.

Tip: Speak slowly and pause briefly after each promise to emphasize your commitment and allow the words to sink in.

Make sure the word count stays below 180 and each promise begins with "I promise".

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.

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