compare
Evidently vs Helicone
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Evidently | Helicone |
|---|---|---|
| Language | Jupyter Notebook | TypeScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 8k | 6.2k |
| Latest | v0.7.23 | v2025.08.21-1 |
| Last push | 2026-09-29 | 2026-09-16 |
| Release cadence | about 37 days between releases | about 1 day between releases |
| Active contributors | 3 commit authors on the default branch in the last 90 days | 3 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace LangSmith. Alternatives to LangSmith →
PartialEvidentlyEvaluations and monitoring for ML and LLM systems, from a Python library with a self-hosted UI.
PartialHeliconeLogs requests through a proxy gateway, with cost tracking and prompt versions, lighter on agent traces and evaluations.
Evidently
Helicone
- v2025.08.21-12025-08-21
- v2025.08.212025-08-21
- v2025.08.202025-08-20
- v1.0.02025-08-19v1.0.0 Docker image release
Evidently
unsigned The latest release, v0.7.23, carries no signature GitHub could verify.
Loading the security report
Helicone
unsigned The latest release, v2025.08.21-1, carries no signature GitHub could verify.
Loading the security report