How to get 50% off Cursor Pro and run Fable 5 for cheaper

Cursor is currently the best AI code editor, and with the recent releases of Claude Fable 5, Claude Sonnet 5, and the preview of GPT-5.6, there is a lot of reason to upgrade.

The main issues when upgrading are the subscription cost and how fast these heavy models consume your premium credit pool. Fable 5 is incredible for large codebase architecture, but it eats through your fast requests quickly if not optimized.

Here is a quick setup to get the discount and optimize your token usage so you can actually use these models daily.

1. Get 50% off Cursor Pro, Pro+, or Ultra

If you are upgrading a new account or starting your first paid subscription, you can use a referral link to get 50% off your first month on any individual tier.

Link to the discount: https://cursor.com/referral?code=K758MOQZGYPN

The pricing with the discount applied:

• Pro: $10 instead of $20 (Saves $10)
• Pro+: $30 instead of $60 (Saves $30)
• Ultra: $100 instead of $200 (Saves $100)

(Note: This is my referral link. You get the 50% discount, and I get a small usage credit to help support my open-source projects.)

2. Slash token consumption with Ponytail

Once you upgrade, you want your monthly credit pool to last. By default, LLMs tend to rewrite entire files and add unnecessary boilerplate, which drains your limits.

To fix this, you can integrate Ponytail, an open-source prompt framework by DietrichGebert. It forces the AI to behave like a lazy developer, writing minimal code and only changing what is necessary.

According to benchmarks, pairing Cursor with Ponytail results in:

• 80% to 94% less generated code.
• 47% to 77% less token usage.
• Faster AI responses.

How to set it up:

1. Go to the Ponytail repository on GitHub: https://github.com/DietrichGebert/ponytail
2. Open the .cursor/rules/ directory in their repository.
3. Copy the instructions from ponytail.mdc and place them inside your local .cursor/rules/ folder in your project.

The compounding effect

Claude Fable 5 is great, but developers often use it sparingly because of the cost.

By combining the 50% discount (which makes Pro+ or Ultra affordable) with the Ponytail ruleset (which cuts token output by up to 77%), you can use Fable 5 up to four times more within the same budget. Your premium quota will easily last the entire month instead of burning out in a week.

If you have any questions about configuring the rules, let me know in the comments.