| What it does | Free tool for generating professional, high-quality prompts for AI models
| AI research workspace with multiple top-tier models and powerful tools for deep research and analysis
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Paid
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| Pricing | Not given
| 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 | - Optimized prompt generation for AI models
- Multi-model compatibility with text, image, and video generators
- Flexible prompt customization
- Integrated prompt libraries and examples
- Multi-language support
- Prompt history tracking and favorites
- Prompt checker tool
| - 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 | - Free unlimited access with no cost or subscription required
- Designed for users of all skill levels, no prompt engineering expertise needed
- Saves time by automating iterative prompt refinement
- Transforms vague inputs into precise, high-quality prompts
| - 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) | 33 ● no change since last check | 21 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 4 |
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| Citation Flow (Majestic) | 17 | 17 |
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| Referring domains (Majestic) | 50 | 78 |
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AI Prompt Generator
Mnemosphere