Founded

2020

Starting Price

0

About PromptPerfect

PromptPerfect by Jina AI is an automatic prompt engineering and optimization tool that refines prompts for large language models and image generators like GPT-4, Claude, Midjourney, and Stable Diffusion. It supports 17+ AI models across 10 languages, letting users optimize, debug, and deploy prompts as hosted services.

Pros & Cons

Pros

Supports an impressive range of 17+ AI models including both text and image generators
Simple and accessible interface suitable for beginners and experts
Multi-model testing lets you compare prompt performance simultaneously
Free plan available to get started without commitment
Prompt hosting feature allows deploying prompts as reusable services

Key Features

Prompt Optimizer

Automatically refines and enhances prompts for optimal results across multiple AI models

Multi-Model Support

Supports 17+ large language and image models including GPT-4, Claude, Midjourney, and Stable Diffusion

Multi-Model Testing

Test the impact of a single prompt across multiple AI models simultaneously

Prompt Debugging

Identify and fix issues in prompts that lead to suboptimal AI responses

Interactive Optimizer

Integrated chatbot that collaboratively refines prompts through conversation

Prompt Hosting

Deploy optimized prompts as services with free hosting for easy integration

Multilingual Support

Optimize prompts across 10 different languages

Prompt Library

Pricing

Free

0/month

Limited daily credits
Basic prompt optimization
Access to core AI models
Prompt sharing

Pro

20

Best For

AI Content Creation

Optimize prompts for blog posts, marketing copy, and creative writing to get higher quality outputs from LLMs

AI Image Generation

Refine Midjourney and Stable Diffusion prompts to produce more accurate and visually compelling images

Developer Prompt Engineering

Debug and fine-tune prompts for AI-powered applications and chatbots before deployment

Multilingual AI Workflows

Optimize prompts across multiple languages for international teams and global AI deployments

Tags:prompt-engineering prompt-optimization ai-tools LLM GPT-4

Similar Tools

Jasper

AI-powered execution platform for intelligent marketing teams

PrompTessor

Analyze, improve, and optimize your AI prompts

Altern

Curated AI tools and agents directory for developers

Fabric

An open-source framework for augmenting humans using AI

Featured In

#6

7 Best AI Prompt Engineering & LLM Tools for Builders (2026)

Best for individuals and small teams who want immediate prompt improvement without learning a framework — the fastest path from 'okay prompt' to 'great prompt' for both text and image AI.

#5

Best Prompt Tracking Tools for Content Teams (2026)

Best as a quality-control layer paired with another tracker when prompt output is inconsistent.

PromptPerfect