PrompTessor

PrompTessor

3.4

PrompTessor is an AI prompt workspace for generating, analyzing, optimizing, refining, and reverse-engineering prompts for ChatGPT, Claude, Gemini, and image and video models.

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prompt-engineeringai-prompt-generatorai-workflowArtificial Intelligence
Last Updated Oct 21, 2026
PrompTessor screenshot

About

PrompTessor is a web-based AI prompt workspace that helps users get better results from AI models by improving the prompts they send, rather than paying for a more expensive model tier. It combines prompt generation, analysis, optimization, refinement, and reverse engineering in a single tool, along with a library for saving and reusing prompts.

The workspace operates model-aware: users can target large language models and assistants such as ChatGPT, Claude, Gemini, Grok, Llama, Mistral, DeepSeek, Perplexity, Kimi, and Qwen, or dedicated generators for image models like Midjourney, FLUX, Ideogram, and Stable Diffusion, and video models. A builder chat turns rough ideas into ready-to-use prompts or reusable templates with variables, recommended models, and estimated token usage. PrompTessor also publishes a public REST API, a remote MCP server with 33 documented tools, and webhooks for developers who want to embed its prompt workflows into other applications. A Chrome extension is listed as coming soon.

Key Features

Prompt Generator: Creates structured, professional prompts for a stated goal, format, or workflow, either ready to use or as reusable templates with variables.
Prompt Analysis: Examines an existing prompt and reports what works, what is weak, and how to make it more effective.
Prompt Optimizer and Refinement: Rewrites rough prompts into stronger versions and supports iterative improvement with feedback and formatting options.
Reverse Prompt: Derives reusable prompts from images, videos, URLs, or text so users can reproduce or adapt an output they like.
Prompt Library and History: Stores prompts across projects and tracks every version created through generation, optimization, refinement, or reverse engineering.
Model-aware recommendations: Tailors structure, context, constraints, and output guidance to the specific model family being targeted, since text, image, and video prompts need different treatment.
Developer platform: Offers a REST API built on an OpenAPI 3.1 contract, MCP integrations for clients such as Claude Code, Cursor, VS Code, and ChatGPT, plus webhooks and OAuth.
Multi-language and privacy: Handles prompts in multiple languages with native-level understanding, and applies privacy-focused handling of user prompts.

Pricing & Fees

  • Pricing: A free plan includes 5 usages per month; Pro includes 1,500, Pro+ includes 3,000, and Max includes 5,000 usages per month. Current plan details are on the official pricing page.
  • Billing options: Paid access may be a fixed-term manual-renewal purchase, an automatically renewing Polar web subscription, or an Apple App Store subscription in the iOS app; the mode and interval are shown before purchase.
  • Free tools: PrompTessor offers free prompt generators and other prompt tools alongside the paid workspace.
  • Browser extension: A PrompTessor extension for the Chrome Web Store is listed as coming soon.

Who It's For

PrompTessor is aimed at creators, marketers, developers, and prompt engineers who use AI models regularly and want more reliable outputs without upgrading to costlier model tiers. Typical use cases include building reusable campaign templates for social media, writing structured prompts for coding or research assistants, crafting image and video generation prompts for models like Midjourney or Runway, and maintaining an organized library of tested prompts across projects. Developers can also integrate its prompt engine into their own products through the API and MCP server.

FAQ

What is PrompTessor?PrompTessor is an AI prompt workspace for generating, analyzing, optimizing, refining, reverse-engineering, and organizing prompts for ChatGPT, Claude, Gemini, and other text, image, and video AI models.

Is there a free plan?Yes, the free plan includes 5 usages per month, and the site also offers free prompt tools; paid plans range from 1,500 to 5,000 usages per month.

Which AI models does PrompTessor support?It supports major LLMs and assistants including ChatGPT, Claude, Gemini, Grok, Llama, Mistral, DeepSeek, Perplexity, Kimi, and Qwen, plus image models such as Midjourney, FLUX, Ideogram, and Stable Diffusion, and several AI video models.

Does PrompTessor offer an API or integrations?Yes, it provides a public REST API, a remote MCP server with 33 documented tools, webhooks, and setup guides for clients including Claude Code, Cursor, VS Code, and ChatGPT.

How does PrompTessor handle privacy?The product states that prompts are kept protected through privacy-focused handling and secure workflows.