> ## Documentation Index
> Fetch the complete documentation index at: https://docs.celestia.rest/llms.txt
> Use this file to discover all available pages before exploring further.

# Premium

> Unlock powerful AI features and personal perks with Celestia's subscription tiers

## Overview

Celestia offers three subscription tiers available directly through Discord's native subscription system. All are personal subscriptions — they follow you across every server Celestia is in.

<CardGroup cols={3}>
  <Card title="Celestia Star" icon="star" href="https://discord.com/discovery/applications/1372066291397169162/store/1481897536653361377">
    **\$2.99 / month**

    Personal perks for power users. Custom prefix and reverse image search.
  </Card>

  <Card title="Celestia AI" icon="bolt" href="https://discord.com/discovery/applications/1372066291397169162/store/1482433160359841935">
    **\$4.99 / month**

    The full AI toolkit — image generation, chat assistant, summarizer, and everything in Star.
  </Card>

  <Card title="Celestia Pro" icon="crown" href="https://discord.com/discovery/applications/1372066291397169162/store/1486259841184960522">
    **\$5.49 / month**

    Advanced customization, profile cards, and AI chat assistant across every server.
  </Card>
</CardGroup>

***

## What's Included

| Feature                | Free   | Celestia Star | Celestia AI | Celestia Pro |
| ---------------------- | ------ | ------------- | ----------- | ------------ |
| Custom self prefix     | —      | ✓             | ✓           | ✓            |
| Reverse image search   | —      | ✓             | ✓           | —            |
| AI image generation    | 5/day  | —             | Unlimited   | —            |
| AI chat assistant      | —      | —             | ✓           | ✓            |
| AI summarizer          | 10/day | —             | Unlimited   | —            |
| Advanced customization | —      | —             | —           | ✓            |
| Profile cards          | —      | —             | —           | ✓            |

<Info>
  Subscribe via the [Celestia Store](https://discord.com/discovery/applications/1372066291397169162/store). Subscriptions are managed through Discord directly.
</Info>

***

## Features

<AccordionGroup>
  <Accordion title="AI Chat Assistant" icon="robot">
    Chat with Celestia AI directly in Discord. Supports multi-turn conversations with memory that persists for 30 minutes.

    <CodeGroup>
      ```bash Syntax theme={null}
      ~chatgpt <message>
      ```

      ```bash Example theme={null}
      ~chatgpt explain how async/await works
      ~ai what's the capital of Japan
      ~ask write me a haiku about rain
      ```
    </CodeGroup>

    **Details:**

    * Remembers up to 10 messages per conversation
    * Conversation resets after 30 minutes of inactivity
    * Long responses are automatically split into multiple messages

    **Aliases:** `ai`, `ask`\
    **Cooldown:** 5 seconds\
    **Requires:** Celestia AI or Celestia Pro
  </Accordion>

  <Accordion title="AI Image Generation" icon="image">
    Generate images from a text prompt using Celestia's AI image pipeline.

    <CodeGroup>
      ```bash Syntax theme={null}
      ~imagine <prompt>
      ```

      ```bash Example theme={null}
      ~imagine a red dragon flying over a city at night
      ~gen anime girl with white hair in a rainy street
      ```
    </CodeGroup>

    **Details:**

    * Free users get **5 generations per day**
    * Celestia AI subscribers get unlimited generations
    * NSFW prompts are only allowed in NSFW channels
    * One generation per channel at a time

    **Aliases:** `gen`\
    **Cooldown:** 15 seconds\
    **Requires:** Celestia AI (unlimited) or free tier (5/day)
  </Accordion>

  <Accordion title="AI Summarizer" icon="file-lines">
    Summarize Discord chat logs, raw text, or YouTube videos.

    <CodeGroup>
      ```bash Syntax theme={null}
      ~summarize chat [#channel]
      ~summarize text <text>
      ~summarize video <youtube url>
      ```

      ```bash Example theme={null}
      ~summarize chat
      ~summarize chat #general
      ~summarize text The quick brown fox...
      ~summarize video https://youtu.be/...
      ```
    </CodeGroup>

    **Subcommands:**

    * `chat` — Summarizes the last 100 messages in a channel. Defaults to the current channel if none is specified.
    * `text` — Summarizes any text you provide (minimum 100 characters)
    * `video` — Summarizes a YouTube video using its captions. Only works on videos that have captions enabled.

    **Details:**

    * Free users get **10 summarizations per day**
    * Celestia AI subscribers get unlimited uses

    **Aliases:** `sum`, `tldr`\
    **Cooldown:** 10 seconds\
    **Requires:** Celestia AI (unlimited) or free tier (10/day)
  </Accordion>

  <Accordion title="Reverse Image Search" icon="magnifying-glass">
    Upload an image and find visually similar results across the web using Google Lens.

    <CodeGroup>
      ```bash Syntax theme={null}
      /reverse-image-search
      ```
    </CodeGroup>

    **Details:**

    * Slash command — attach your image directly in the option
    * Returns up to 20 unique visual matches
    * Results are paginated, 5 per page
    * Refresh button to re-run the search

    **Requires:** Celestia Star or Celestia AI
  </Accordion>

  <Accordion title="Custom Self Prefix" icon="at">
    Set a personal prefix that works for you across every server, overriding the server's default prefix.

    <CodeGroup>
      ```bash Syntax theme={null}
      ~selfprefix <prefix>
      ~selfprefix noprefix
      ~selfprefix clear
      ```

      ```bash Example theme={null}
      ~selfprefix !
      ~selfprefix noprefix
      ~selfprefix clear
      ```
    </CodeGroup>

    **Options:**

    * `<prefix>` — Set a custom prefix (e.g. `!`, `.`, `>>`)
    * `noprefix` — Use commands with no prefix at all
    * `clear` — Remove your personal prefix and go back to the server default
    * No arguments — Shows your currently set prefix

    **Aliases:** `sprefix`, `myprefix`\
    **Cooldown:** 3 seconds\
    **Requires:** Celestia Star, Celestia AI, or Celestia Pro
  </Accordion>

  <Accordion title="Advanced Customization" icon="sliders">
    Unlock advanced customization options and make Celestia truly yours across every server.

    **Requires:** Celestia Pro
  </Accordion>

  <Accordion title="Profile Cards" icon="id-card">
    Generate stylish profile cards with custom visuals and layouts.

    <CodeGroup>
      ```bash Syntax theme={null}
      ~profile [user]
      ```
    </CodeGroup>

    **Requires:** Celestia Pro
  </Accordion>
</AccordionGroup>

***

## Subscribing

1. Open the [Celestia Store](https://discord.com/discovery/applications/1372066291397169162/store) in Discord
2. Choose your tier — **Celestia Star** (`$2.99/mo`), **Celestia AI** (`$4.99/mo`), or **Celestia Pro** (`$5.49/mo`)
3. Complete the subscription through Discord
4. Premium features are activated immediately

<Note>
  Subscriptions are handled entirely by Discord. Celestia does not process any payment information.
</Note>