Dotrai vs UsingOpen
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Dotrai compared with UsingOpen
| Detail | 
Dotrai | 
UsingOpen |
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| What it does | A free AI chat that searches the web, runs real code and shows its working
| Free AI chat with open models, no account or sign-up required
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| Stage | Not given
| Not given
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| Founded | Not given
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| Based in | GB
| Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
| Free with 10 prompts per day. UsingOpen Studio desktop app is $19 USD one-time purchase, or ¥99 CNY in mainland China.
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| Key features | - Code sandbox for executing maths, data processing and simulations
- Visible thinking panel to inspect model reasoning
- File attachments and document reading
- Image understanding and analysis
- Saved conversation history with full context across devices
- Incognito chats with no history retention
- Edit and regenerate questions for fresh answers
- Real-time streaming responses
- Encrypted message storage at rest
| - Access to 20+ open-weight AI models including DeepSeek, Qwen, GLM, Gemma, GPT-OSS, Kimi K3 and MiniMax M3
- No account required, no sign-up, no email or password needed
- 10 free prompts per day, reset at midnight UTC
- Chat history saved locally on your device, never sent to servers
- Streaming responses with visible reasoning for thinking models
- Compare two models side by side in the same conversation
- Live model availability status and real-time capacity information
- Responsive design, installable as standalone mobile app
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| What makes it different | - Shows complete reasoning and working for every answer, not just conclusions
- Runs actual code in isolated sandbox instead of guessing numbers
- Independent London-based team shipping continuous improvements
| - Complete privacy - chat history stays only on your device and is never sent to servers
- Model picker with real-time availability, not a single locked-in assistant
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
| Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +1 (up) since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 3 | 1 |
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| Citation Flow (Majestic) | 11 | 17 |
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| Referring domains (Majestic) | 2 | 5 |
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4 details filled in for both companies.
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