compare
LangWatch vs OpenLIT
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | LangWatch | OpenLIT |
|---|---|---|
| Language | TypeScript | TypeScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 4.9k | 2.8k |
| Latest | langwatch-3.20.1 | openlit-2.1.0 |
| Last push | 2026-10-06 | 2026-10-05 |
| Release cadence | about 1 day between releases | about 8 days between releases |
| Active contributors | 8+ 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 →
Full replacementLangWatchTracing, evaluations and agent simulations, with OpenTelemetry ingestion.
PartialOpenLITOpenTelemetry-native traces and metrics for LLM apps, GPUs and vector databases, with prompt management.
LangWatch
- langwatch-3.20.12026-10-02Helm chart for LangWatch application
- v3.20.12026-10-02@langwatch/server@3.20.1 — aigateway monobinaries
- langwatch@v3.20.12026-10-02langwatch: v3.20.1
- langwatch-3.20.02026-10-02Helm chart for LangWatch application
- v3.20.02026-10-02@langwatch/server@3.20.0 — aigateway monobinaries
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…
LangWatch
unsigned The latest release, langwatch-3.20.1, 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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