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Jan AI vs LegacyDoc AI
A side-by-side comparison of pricing, ratings, features, pros and cons.
| Overview | |||
| Description | Open-source, privacy-focused desktop AI assistant that runs local models offline or connects to major cloud providers, entirely free. | VS Code extension generating documentation and AI-ready context for legacy or inherited codebases. | |
| Category | |||
| Developer | Jan | RomantiCode | |
| Verified Status | No | ||
| Last Updated | Aug 2026 | Aug 2026 | |
| Pricing | |||
| Pricing Model | Free | Freemium | |
| Free Plan | Yes | No | |
| Free Trial | — | No | |
| Open Source | No | No | |
| Capabilities | |||
| API Access | — | No | |
| Features | • Runs local open-source models fully offline • Connects to OpenAI, Claude, Gemini, Llama, Mistral, Qwen, DeepSeek, and more • Fully open-source with public GitHub codebase • Cross-conversation memory (in development) • Free desktop app across multiple operating systems | • Auto-generated JSDoc and inline comments • Standalone Markdown documentation generation • Mermaid architecture/dependency diagrams • AI-ready context packs for Claude/Cursor/Codex/Gemini • Refactoring risk/cleanup readiness notes • Multi-model BYOK support | |
| Tags | offlineopensourcelocal | code documentationVS Code extensionAI coding toolslegacy code | |
| Trust and Engagement | |||
| Review Count | 0 | 0 | |
| Saves | 0 | 0 | |
| Views | 50 | 4 | |
| Quality Score | 45/100 | 49/100 | |
| Website Status | Online | Online | |
| Availability | |||
| Website | jan.ai | www.romanticode.com | |
| Social Links | 3 linked | 1 linked | |
| Screenshots | No | No | |
| Reviews | |||
| Pros | • Free to use | • Free to use | |
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