| What it does | Learn programming by building real software with an AI tutor
| A hosted coding agent for your repositories that keeps working after you close the tab
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| Stage | Not given
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| Founded | Not given
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| Based in | PT
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| Pricing model | Freemium
| Freemium
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| Pricing | Free: 2,000 credits once, no card required. Learner: 5,000 credits/month. Scholar: 11,000 credits/month. Fellow: 38,000 credits/month. Campus: contact for pricing. One-time top-ups available. Yearly plans offer 2 months free.
| From £5 a month. Usage charged at the provider's cost multiplied by 1.5.
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| Key features | - In-browser code editor and terminal for writing and running code
- Structured syllabuses with lessons that must be completed in order
- Knowledge checks after each lesson to verify understanding
- Final assessments taken without tutor assistance
- Generate custom courses for topics not in the catalog
- Progress is saved and can be resumed exactly where left off
- Credit-based usage allows flexible learning without seat-based fees
- Unused monthly credits roll over for up to two months
| - Runs on DeepSeek models or your own API key
- Persists work between sessions even when browser is closed
- Access to Git, files, search and JavaScript shell
- Private Linux machine on Developer and Pro plans
- Export all workspaces and chats with Git history
- Run exported work on your own machine with open-source harness
- Extensible plugin system including Creator mode
- Complete audit trail of every read, edit and command
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| What makes it different | - Full syllabus visible upfront before starting any lesson or course
- No expiring free credits: 2,000 credits to learn risk-free without providing payment info
- Projects run in the browser without requiring software installation
- Generate custom syllabuses on demand for any language or topic
| - Full ownership and portability through MIT-licensed export and open-source harness
- Continues working unattended after you close the browser
- Built on open-source DeepSeek Harness with transparent operations
- Extensible through plugins and creator mode for custom workflows
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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
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 9 ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 5 | 0 |
| Citation Flow (Majestic) | 30 | 0 |
| Referring domains (Majestic) | 87 | 0 |