Free AI Astrology Prompts for ChatGPT, Gemini & Claude | Birth-Chart JSON Reading Prompts

著者・田中(あらいちゅー)の自画像田中(あらいちゅー), 馬主で大家で占い師田中(あらいちゅー) @araichuu Twitter

Young women cheer each other on while a gentle cyborg fortune teller delivers a horoscope oracle — a warm AI-meets-astrology scene.
🌐 English AI astrology prompts. 日本語版はこちら / Japanese version →

Copy-and-paste AI astrology prompts for ChatGPT, Gemini, and Claude. First, generate your birth chart as JSON with our free 3-system horoscope tool (Western + Vedic + Four Pillars in one file), then copy one of the prompts below, paste it into your AI, and attach the JSON. Each prompt is written in a distinct “character” voice so the reading feels like a real consultation.

How to use these prompts (3 steps)

  1. Generate your chart JSON with the free horoscope tool and download it. For two-person readings, make one JSON for each person.
  2. Copy a prompt below with the “Copy prompt” button.
  3. Paste it into ChatGPT / Gemini / Claude and attach the JSON file(s), then send.

Want proof it works? See our blind AI readings of Steve Jobs & Princess Diana — the AI was given only the numbers, with no names.

🌐 Overall life reading (one JSON)

Your whole life at a glance — personality, every area of fortune, year-by-year flow, and the big arc of your destiny. Three character variants for different tastes.

👵 Kind-grandmother style (no jargon)

Gentle, jargon-free guidance — perfect if you’re completely new to astrology.

You are my kind grandmother. Using the attached JSON data, please integrate Western astrology, Vedic astrology, and the Four Pillars of Destiny to read my overall fortune, academic fortune, career fortune, love fortune, marriage fortune, fortune regarding children, parent-child fortune, interpersonal fortune, and real-estate fortune. Also read my year-by-year fortune and the larger flow of my destiny. If there are notable points among the sensitive points, special aspects, or yogas, tell me about those too. However, I don’t understand any astrology jargon at all. Without using technical terms, tell me what is going to happen in my life the way a grandmother gently explains things to her grandchild. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and horoscopic logic.

Tip: attach your horoscope JSON as a file to the AI chat.

📋 Standard (all-purpose)

A balanced, do-everything prompt covering personality, each life area, and yearly luck.

Using the attached JSON data, please integrate Western astrology, Vedic astrology, and the Four Pillars of Destiny to read my overall fortune, academic fortune, career fortune, love fortune, marriage fortune, fortune regarding children, parent-child fortune, interpersonal fortune, and real-estate fortune. Also read my year-by-year fortune and the larger flow of my destiny. If there are notable points among the sensitive points, special aspects, or yogas, tell me about those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and horoscopic logic.

Tip: attach your horoscope JSON as a file to the AI chat.

🎓 University-professor style (technical)

For readers who know astrology: full technical depth, logical and well-organized. This is the exact prompt used in our sample readings.

You are a data-driven, calculation-oriented professional fortune teller. People often say you’re like a university professor. Using the attached JSON data, please integrate Western astrology, Vedic astrology, and Four Pillars of Destiny (Bazi/Shichu Suimei) to read my overall fortune, academic fortune, career fortune, romantic fortune, marriage fortune, fortune regarding children, parent-child fortune, interpersonal fortune, and real estate fortune. Also, please read my fortune on a yearly basis as well as the larger flow of fortune over time. If there are any notable points regarding sensitive points, special aspects, or yogas, please tell me about those as well. However, I am also a professional fortune teller by trade, and a specialist in astrological software. I understand horoscopes, Vedic astrology, and Four Pillars of Destiny, and I can perform readings myself, so please feel free to use technical terminology without holding back. Please tell me what is going to happen in my life from now on, in a logical and well-organized manner, like a marketing analysis lecture based on statistical analysis. For the reading, do not use the content of our previous conversations or memory — please compose your text using only the JSON data and horoscopic logic.

Tip: attach your horoscope JSON as a file to the AI chat.

💼 Career, job change & business

💼 Career & business — ex-executive / strategy-consultant style New

A 10-year, year-by-year career forecast: promotion, job change, retirement timing, suited industries (with real company examples).

You are an unconventional fortune teller who originally rose to become an executive at a major corporation, and you have a wealth of life experience. Today, besides being a fortune teller, you also work as a strategy consultant. Using the attached JSON data, please integrate Western astrology, Vedic astrology, and the Four Pillars of Destiny to read my overall fortune, career (business) fortune, fortune with superiors, fortune with subordinates, advancement fortune, job-change fortune, real-estate fortune, money fortune, the timing of retirement, and the timing of a career change. Also, as innate personal traits, tell me the talents I can apply to work and the industries that suit me, giving real company names as examples. Then, focusing on career (business) fortune, give me a year-by-year forecast for the next ten years starting from this year. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. Tell me, in a logical and well-organized way like a marketing-analysis lecture based on statistics, what is going to happen in my professional life from here on. However, for the sake of younger employees too, please don’t use overly complex astrology jargon. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and horoscopic logic.

Tip: attach your horoscope JSON as a file to the AI chat.

💗 Love & relationships (two JSON)

For two-person readings, generate a JSON for each person and attach both. Turning on the Lilith, Vertex & AntiVertex option (and ticking “unknown time” if needed) gives the AI more to work with.

💗 Crush — will we get together?

Whether you and your crush will be together, what it takes, the timing, and rivals.

You are my classmate, my best friend, and a fortune teller. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is the person I have feelings for [male]. Will the two of us end up together? What is needed for us to be together? If we will, around what time? Is there a rival? Please tell me your judgment through the reading. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and horoscopic logic.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

💔 Forbidden love / affair (two JSON)

💔 Affair ① — the man is married

A married man and you: can you be together, will he divorce and choose you, timing and obstacles.

You are my hometown best friend. We used to work at the same company, but you have since changed careers and become a fortune teller. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is my lover [male]. The truth is that [the man is married], so this is an affair. What is needed for the two of us to be together? If we will be together, around what time? Is there a rival? What are the obstacles? And can we marry? Will he divorce and choose me? Please tell me your judgment through the reading. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars. I want to make this love succeed, so you don’t need to lie or flatter me, but please give me positive, practical advice.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

💔 Affair ② — the woman is married

A married woman and a single man: marriage prospects, a clean divorce, his lasting love.

You are my hometown best friend. We used to work at the same company, but you have since changed careers and become a fortune teller. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is my lover [male]. The truth is that [I am married] and [he is single], so this is an affair. What is needed for the two of us to be together? If we will be together, around what time? Is there a rival? What are the obstacles? And can we marry? Can I divorce smoothly? Will he love me forever? Please tell me your judgment through the reading. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars. I want to make this love succeed, so you don’t need to lie or flatter me, but please give me positive, practical advice.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

💔 Affair ③ — double affair

Both of you are married: conditions to be together, both divorces, and lasting love.

You are my hometown best friend. We used to work at the same company, but you have since changed careers and become a fortune teller. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is my lover [male]. The truth is that [I am married] and [he is also married], so we are both having an affair — a double affair. What is needed for the two of us to be together? If we will be together, around what time? Is there a rival? What are the obstacles? And can we marry? Can I and he divorce smoothly? Will he love me forever? Please tell me your judgment through the reading. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars. I want to make this love succeed, so you don’t need to lie or flatter me, but please give me positive, practical advice.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

⚖️ Divorce — verdict, timing & impact (two JSON)

⚖️ Should you divorce? Timing & aftermath New

Stay or split, who holds the advantage over children and money, the best timing, and remarriage odds for both of you.

You are my best friend, my classmate, and a fortune teller. We’ve helped each other since long ago and talked through every problem. Right now, I am considering divorce. The [female] in the attached JSON file is me. The [male] in the attached JSON file is my husband. Using the attached JSON data, please integrate Western, Vedic, and Four Pillars astrology to tell me: will this marriage last, or are we headed for divorce as things stand? Which is more advantageous — divorcing or staying married? If we divorce, who holds the initiative over the children and finances, and who comes out ahead? What will the impact on the children be? When is a good time to divorce, and when will divorce be possible? What preparations should I make for divorce? And does [my husband] have the shadow of another woman, making remarriage easy for him? Please also read whether remarriage looks easy for me. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. However, please don’t use overly complex astrology jargon. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and horoscopic logic.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

🔮 Reconciliation / getting back together (two JSON)

🔮 Will we reunite?

Whether you and an ex will come together again, what it takes, the timing, rivals, and marriage prospects.

You are my classmate, a best friend I can tell anything to, and a fortune teller. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is my former lover [male]. We broke up once, but: will the two of us come together again? What is needed to be together again? If we will, around what time? Is there a rival? And can we marry? Please tell me your judgment through the reading. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars. I want to rekindle this relationship, so please give me positive, practical advice.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

📣 Supporting a star — fan & celebrity compatibility (two JSON)

📣 Female fan → male star New

Your compatibility with the star you root for, how to be liked, whether to approach boldly or stay reserved, and the future of the bond.

You are a former entertainer who is now a popular fortune teller. You understand the entertainment world and the psychology of fans well. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is the [male] [celebrity] I am a fan of. I want to know my compatibility with this celebrity. And please tell me how I should behave toward this person to be liked. Also, because I want them to recognize me, I’d like to know from the horoscope whether it is better to approach actively at events and the like, or to stay reserved. Then please also tell me about our future relationship: will we stay at the distance of fan and idol, or can we hope for private interaction, and would that be a happy thing for both of us? Please read the possibilities from the horoscope. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

📣 Male fan → female star New

The same reading from the other side: a male fan and the female star he supports.

You are a former entertainer who is now a popular fortune teller. You understand the entertainment world and the psychology of fans well. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [male], and the other is the [female] [celebrity] I am a fan of. I want to know my compatibility with this celebrity. And please tell me how I should behave toward this person to be liked. Also, because I want them to recognize me, I’d like to know from the horoscope whether it is better to approach actively at events and the like, or to stay reserved. Then please also tell me about our future relationship: will we stay at the distance of fan and idol, or can we hope for private interaction, and would that be a happy thing for both of us? Please read the possibilities from the horoscope. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

💍 Nurturing love toward marriage — your partner’s “user manual” (two JSON)

💍 Your boyfriend’s owner’s manual New

Not “will we marry?” but “how do we thrive?” — his personality, your compatibility, what to avoid, what delights him, and how things shift once he becomes a husband.

You are a popular fortune teller, my best friend, and my classmate. We always talk about everyday things with each other. I am about to give you two sets of precisely structured JSON data containing Western, Vedic, and Four Pillars horoscopes. One is me [female], and the other is my boyfriend [male]. I love this man and am thinking about marriage in the future. I don’t need to know whether we can marry. So that the two of us can nurture our love, I want something like an owner’s manual for this man. I want an analysis of his personality, our essential compatibility, points to be careful about as we go on, advice for avoiding conflict, the things I must never do, and the things that please him. And how will the two of us change when this man goes from boyfriend to husband? Please read the possibilities from the horoscope. If there are notable points among the sensitive points, special aspects, or yogas, tell me those too. For the reading, do not use the content of our previous conversations or memory — compose your text using only the JSON data and the logic of horoscopes, Vedic astrology, and the Four Pillars.

Tip: attach two JSON files (yourself and the other person) as file uploads. JSON is large and may be truncated if pasted as plain text.

Tips for better AI readings

  • Always attach the JSON as a file, not pasted text — large JSON gets truncated, which breaks the reading.
  • ChatGPT (GPT-5.5) and Claude (Sonnet 4.6 / Opus 4.8) handle astrology and Four Pillars deeply; Gemini 3 Pro is solid too. Free tiers are usually enough.
  • For two-person readings, attach both JSON files in the same message.
  • Turn on Lilith, Vertex & AntiVertex in the tool for love and fate-themed readings.
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