compare
Laminar vs LangWatch
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | Laminar | LangWatch |
|---|---|---|
| Language | TypeScript | TypeScript |
| Licence | Apache-2.0 | Apache-2.0 |
| Stars | 3.3k | 4.9k |
| Latest | v0.2.5 | langwatch-3.20.1 |
| Last push | 2026-10-06 | 2026-10-06 |
| Release cadence | about 7 days between releases | about 1 day between releases |
| Active contributors | 8 commit authors on the default branch in the last 90 days | 8+ commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
Both replace LangSmith. Alternatives to LangSmith →
Full replacementLaminarTracing, evaluations and datasets for LLM apps and agents, with OpenTelemetry ingestion.
Full replacementLangWatchTracing, evaluations and agent simulations, with OpenTelemetry ingestion.
Laminar
- v0.2.52026-09-13LAM-2218: log SQL memory-limit hits at warn instead of error by @laminar-coding-agent[bot] in
- v0.2.42026-09-06chore(frontend): replace ESLint + Prettier with oxlint + oxfmt
- v0.2.32026-08-30LAM-2111: log ingestion rate-limit rejections by @laminar-coding-agent[bot] in
- v0.2.22026-08-25LAM-1903: virtualize debugger session timeline with lazy batched trace loading by @laminar-coding-agent[bot] in
- v0.2.12026-07-09refactor(LAM-1789): sync signals OTEL tracing refactor to OSS by @laminar-coding-agent[bot] in
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
Laminar
✓ signed The latest release, v0.2.5, carries a signature GitHub verified.
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LangWatch
unsigned The latest release, langwatch-3.20.1, carries no signature GitHub could verify.
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