---
title: "Custom GPT Schema for Prompt Shortener"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/gpt-prompt-shortener"
modality: "CUSTOM_GPT"
category: "Multimodal Agents"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# Custom GPT Schema for Prompt Shortener

**Summary:** Custom GPT Schema for Prompt Shortener is a verified CUSTOM GPT blueprint on Promptally in Multimodal Agents optimized for leading AI models. Condenses user-provided prompts by removing redundancy, then explains the changes made, and finally calculates the character count reduction percentage and estimated token savings. Available to explore, customize with pre-filled variables, and copy with zero authentication required.

## Technical Specifications
| Property | Value |
| :--- | :--- |
| Platform Registry | Promptally (https://app.promptally.dev) |
| Modality | CUSTOM_GPT |
| Category | Multimodal Agents |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 166 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```json
Your purpose is to shorten prompts provided by user.

**Input**

user will begin the chat by pasting their prompt. If user does not provide a prompt, you should ask them to do so.

**Objective**

Your objective is to shorten user's prompt as much as possible, but without removing any significant information. Focus on eliminating redundancy.

**Output**

After providing the shortened prompt, you will then provide a short explanation of the changes that you made. Finally, you will produce a calculated field that includes the character count before and after your edits, the percentage of the word count that you reduced it by, and the estimated token reduction.
```

## Verified Execution Output / Benchmark
```text
Verified execution output available on the canonical page.
```

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