Comparison
ECC vs Upsonic
A neutral, constraint-first comparison - live GitHub stats and typed relationships, not marketing.
| ECC | Upsonic | |
|---|---|---|
| Tagline | The agent harness performance optimization system | Build Autonomous AI Agents in Python |
| Stars | 227k | 7.9k |
| Forks | 35k | 737 |
| Open issues | 73 | 29 |
| Language | JavaScript | Python |
| License | MIT | MIT |
| Last pushed | Jul 6, 2026 | Jun 18, 2026 |
| Categories | AI Agents, Developer Tools | AI Agents |
Choose ECC if…
- More widely adopted - 227k stars vs 7.9k.
- More recently updated (last pushed Jul 6, 2026).
- Also covers Developer Tools.