The difference between a note that lands and one that doesn't
Anyone who has ever given a gift knows the difference between a generic acknowledgment and a note that shows the gift actually mattered. The generic version sounds like every other thank-you the person has ever received: polite, appreciative in a broad way, and instantly forgettable. The version that lands has one thing the generic one doesn't — a specific reference to the gift itself that could only have been written by someone who was actually there, who actually received it, who actually thought about it. That is the detail you supply in the third blank. Everything else the AI builds around it, but that detail is what makes someone feel genuinely thanked rather than formally acknowledged.
Why the word limit matters more than you think
The instruction to keep it under 75 words is not arbitrary. Thank-you notes lose their impact when they run long. A long thank-you starts to feel like the writer is justifying something or performing gratitude rather than expressing it. Short is credible. Short says: I sat down, I thought of one true thing to say about this gift, and I said it. That confidence — the willingness to stop — is what makes a brief note feel more sincere than a long one. The AI left to its own devices will often produce something longer and more effusive. The word limit instruction prevents that.
Choosing the right tone for the relationship
The tone field does significant work. Formal is appropriate for gifts from people you have a professional relationship with — a boss, a mentor, an older relative you are not close to, a teacher. Warm is appropriate for close family, dear friends, people who know you well. Casual is for peers your own age, close friends, siblings. If you are not sure, warm is almost always safer than formal, and formal is almost always safer than casual. The AI will honor whatever you choose and adjust the vocabulary, sentence structure, and sign-off accordingly.
When to send a note versus a text versus nothing at all
A handwritten card is appropriate for significant gifts, weddings, baby showers, major milestones, and gifts from older relatives who will appreciate the gesture. A text is fine for close friends and casual gifts between people who communicate primarily by phone. An email sits in the middle — it works when you don't have someone's address but the gift was meaningful enough to warrant more than a text. The most important thing is that something gets sent. The format matters less than the act of sending at all, which most people underestimate.