compare
Helicone vs OpenLIT
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Helicone | OpenLIT |
|---|---|---|
| Language | TypeScript | TypeScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 6.2k | 2.8k |
| Latest | v2025.08.21-1 | openlit-2.1.0 |
| Last push | 2026-09-16 | 2026-10-05 |
| Release cadence | about 1 day between releases | about 8 days between releases |
| Active contributors | 3 commit authors on the default branch in the last 90 days | 46 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace LangSmith. Alternatives to LangSmith →
PartialHeliconeLogs requests through a proxy gateway, with cost tracking and prompt versions, lighter on agent traces and evaluations.
PartialOpenLITOpenTelemetry-native traces and metrics for LLM apps, GPUs and vector databases, with prompt management.
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
OpenLIT
- openlit-2.1.02026-09-10openlit: 2.1.0
- openlit-2.0.02026-08-28openlit: 2.0.0
- otel-gpu-collector-0.0.82026-08-26otel-gpu-collector: 0.0.8
- ts-1.15.02026-08-03Add per-evaluation-type threshold scores and API-key-authenticated create/update endpoints for offline evaluation types…
- py-1.45.02026-08-03Aligned offline/SDK evaluations with tenant-configured evaluation types including rule-engine context resolution and pe…
Helicone
unsigned The latest release, v2025.08.21-1, carries no signature GitHub could verify.
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OpenLIT
unsigned The latest release, openlit-2.1.0, carries no signature GitHub could verify.
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