# Laminar review

> Laminar - open-source observability platform purpose-built for AI agents. YC S24.

Devtoolwatch Board, the week of Oct 25–31, 2026. Canonical page: https://index.devtoolwatch.com/tools/laminar/

## Laminar at a glance

- **Category:** [Evals and observability](https://index.devtoolwatch.com/categories/evals-and-observability/)
- **Website:** [laminar.sh](https://laminar.sh)

## Usage data (the week of Oct 25–31, 2026)

- Board rank: #361 overall, #20 in Evals and observability, momentum score 18
- Downloads that week: 892.3k (−37% vs 4-week average)
- New GitHub stars per week (last 12 weeks): Aug 9: 18; Aug 16: 16; Aug 23: 25; Aug 30: 20; Sep 6: 22; Sep 13: 19; Sep 20: 12; Sep 27: 16; Oct 4: 84; Oct 11: 29; Oct 18: 45; Oct 25: 23

## Laminar alternatives

| Rank | Tool | Stars | Downloads/wk |
|---|---|---|---|
| #1 | [SkillSpector](https://index.devtoolwatch.com/tools/nvidia-skillspector/) | 23.7k | – |
| #2 | [Judgeval](https://index.devtoolwatch.com/tools/judgmentlabs-judgeval/) | 1.1k | 80.2k |
| #3 | [A.I.G (AI-Infra-Guard)](https://index.devtoolwatch.com/tools/tencent-ai-infra-guard/) | 7.2k | – |
| #4 | [Langfuse](https://index.devtoolwatch.com/tools/langfuse/) | 36.8k | 9.8M |
| #5 | [Opik](https://index.devtoolwatch.com/tools/opik/) | 23.1k | 709.1k |
| #6 | [promptfoo](https://index.devtoolwatch.com/tools/promptfoo/) | 26.7k | 1.2M |

## Laminar FAQ

### How popular is Laminar?

Laminar has 3.5k GitHub stars as of Nov 1, 2026. It gained 23 new stars in the week of Oct 25–31, 2026, against a 12-week average of 27 a week. Its main package had about 892.3k downloads that week, −37% against its own 4-week average. That made it #20 among LLM evals and observability tools on the Devtoolwatch Board.

### What are the best alternatives to Laminar?

Other LLM evals and observability tools on the Devtoolwatch Board in the week of Oct 25–31, 2026, by momentum: SkillSpector (#1), Judgeval (#2), A.I.G (AI-Infra-Guard) (#3), Langfuse (#4), Opik (#5). The alternatives table above has their numbers.

## Sources

1. [Devtoolwatch Board, the week of Oct 25–31, 2026](https://index.devtoolwatch.com/)