Comparison
ECC vs jan
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| ECC | jan | |
|---|---|---|
| Tagline | The agent harness performance optimization system | Open-source ChatGPT replacement |
| Stars | 227k | 43k |
| Forks | 35k | 2.9k |
| Open issues | 73 | 376 |
| Language | JavaScript | TypeScript |
| License | MIT | Other |
| Last pushed | Jul 6, 2026 | Jul 7, 2026 |
| Categories | AI Agents, Developer Tools | LLM Frameworks |
Choose ECC if…
- More widely adopted - 227k stars vs 43k.
- Leaner open-issue backlog (73).
- Also covers AI Agents, Developer Tools.