| What it does | AI prompt workspace for generating, optimizing, and organizing prompts across AI models
| AI research workspace with multiple top-tier models and powerful tools for deep research and analysis
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| Stage | Startup
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| Founded | 2025
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| Based in | Not given
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| Pricing model | Freemium
| Paid
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| Pricing | Free plan with 5 prompt usages per month; Pro at $10/month with 1,500 usages; Pro+ at $15/month with 3,000 usages; Max at $20/month with 5,000 usages. All paid plans include access to all features, prompt templates/library, public API & MCP access, and priority support.
| Pro plan: $25/month. Ultra plan: higher tier with multi-model deep research, pro mindmaps, lite threads, up to 1000 messages per month, and personalized support. Both plans include 14-day money-back guarantee.
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| Key features | - Prompt Generator - Create professional AI prompts for any goal, format, or workflow
- Prompt Analysis - Understand what works and how to make prompts more effective
- Prompt Optimizer - Turn rough prompts into high-performing versions tailored for better results
- Prompt Refinement - Refine existing prompts with feedback and iterative improvements
- Reverse Prompt - Reverse-engineer images, videos, URLs, or text into reusable prompts
- Prompt Library - Save, organize, and reuse prompts across projects and workflows
- Prompt History - Track every prompt version across generations and optimizations
- Multi-Language Support - Works with prompts in multiple languages
- Model-Aware Recommendations - Get tailored structures for ChatGPT, Claude, Gemini, image and video models
- REST API and MCP Integrations - Integrate prompt generation into applications and AI clients
| - Multi-model chat with all frontier models (GPT-5.5, Claude 4.6 Sonnet, Gemini 3.1 Pro, Grok 4.2, DeepSeek V4 Pro)
- Parallel prompts to run multiple models simultaneously
- Instant mindmaps to visualize complex ideas
- 1-click critique to improve AI outputs
- Inline highlighter and notes for capturing insights
- Chat with YouTube videos by pasting links
- Multiple deep researches across OpenAI, Gemini, and Perplexity
- Prompt Assist with power phrases for better prompts
- Lite Threads for quick clarifications without leaving main thread
- Conversation Index to navigate long chats easily
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| What makes it different | - Works across text, image, and video AI models in one unified workspace
- Reverse-engineer existing content into prompts you can reuse and adapt
- Get better AI results without paying for more expensive models
- Convert rough requests into production-ready reusable prompt templates with variables
- Track complete version history of all prompt iterations and refinements
| - Access all frontier models in one workspace instead of juggling multiple subscriptions
- Compare models side-by-side and cherry-pick the best responses
- Instant mindmaps and visualizations instead of plain text responses
- Designed specifically for power users and deep research, not average users
- No free tier ensures professional, focused tool
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 39 ● no change since last check | 21 ● no change since last check |
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| Trust Flow (Majestic) | 12 | 4 |
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| Citation Flow (Majestic) | 33 | 17 |
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| Referring domains (Majestic) | 380 | 78 |
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PrompTessor
Mnemosphere