> For the complete documentation index, see [llms.txt](https://docs.nebulablock.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.nebulablock.com/overview-1.md).

# Tier

This page outlines the different tiers available in the system, their requirements, and the corresponding benefits. All users have access to our serverless endpoints. The tiers dictate your request and token rates, as well as whether you have access to GPU instances.

### **Tier Levels and Benefits**

| Tier            | Requirement     | GPU | CPU | RPM   | TPM     | RPD       |
| --------------- | --------------- | --- | --- | ----- | ------- | --------- |
| Engineer Tier 1 | Sign Up         | ✖   | ✖   | 60    | 60,000  | 200       |
| Engineer Tier 2 | Add Credit Card | ✖   | ✔   | 300   | 150,000 | 1,000     |
| Engineer Tier 3 | Deposit $10     | ✔   | ✔   | 600   | 200,000 | 2,000     |
| Expert Tier 1   | Spend $30       | ✔   | ✔   | 1,500 | 500,000 | Unlimited |
| Expert Tier 2   | Spend $50       | ✔   | ✔   | 3,000 | 800,000 | Unlimited |

### **Tier Descriptions**

1. **Engineer Tier 1**
   * Available to all users upon sign-up.
   * Requests Per Minute (RPM): **60 requests per minute** for using serverless endpoints.
   * Tokens Per Minute (TPM): **60,000 tokens per minute** for using serverless endpoints.
   * Requests Per Day (RPD): **200 requests per day** for using serverless endpoints. Resets at 00:00 (midnight) UTC time.
   * No CPU and GPU access.
   * No free Deepseek models access.
2. **Engineer Tier 2**
   * Requires adding a credit card.
   * Increase Requests Per Minute (RPM) to **300**.
   * Increase Tokens Per Minute (TPM) to **150,000**.
   * Increase Requests Per Day (RPD) to **1000**.
   * No GPU access.
3. **Engineer Tier 3**
   * Requires a **$10 deposit**.
   * Grants GPU access.
   * Increase Requests Per Minute (RPM) to **600**.
   * Increase Tokens Per Minute (TPM) to **200,000**.
   * Increase Requests Per Day (RPD) to **2000**.
4. **Expert Tier 1**
   * Requires a **$30 spend**.
   * Grants GPU access.
   * Increase Requests Per Minute (RPM) to **1,500**.
   * Increase Tokens Per Minute (TPM) to **500,000**.
   * Unlimited Requests Per Day (RPD).
5. **Expert Tier 2**
   * Requires a **$50 spend**.
   * Grants GPU access.
   * Increase Requests Per Minute (RPM) to **3,000**.
   * Increase Tokens Per Minute (TPM) to **800,000**.
   * Unlimited Requests Per Day (RPD).

### **Upgrade Process**

* Users can upgrade their tier by meeting the respective requirements.
* The "Upgrade" or "Deposit" button in the interface allows users to progress to higher tiers.
* Higher tiers provide increased computational power and request capabilities.

For further assistance, see the [Contact Us](/contact_us.md) section.