Registry › Compare › LangWatch vs Opik

LangWatch vs Opik

LangWatch leads on trust: 86.9/100 (Grade A) against 78.7/100 (Grade B), a 8.2-point gap. LangWatch leads on supply-chain integrity and transparency; Opik leads on adoption.

A LangWatch 86.9

Open-Source Agent Observability & Evals for AI Platform teams. Trace, test, route and govern every agent & coding assistant in the company.

langwatch/langwatch · #70 overall · #3 Observability & Evaluation · coverage A (4/5)

Choose LangWatch if supply-chain integrity and transparency matter most.

+5.8Safety / Integrity
+4.2Transparency

B Opik 78.7

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

comet-ml/opik · #194 overall · #7 Observability & Evaluation · coverage A (4/5)

Choose Opik if adoption matters most.

+2.7Adoption: 514.3k weekly downloads against 76.9k

Where they differ

18.0

Safety / IntegrityLangWatch +5.8

12.2

12.7

TransparencyLangWatch +4.2

8.5

19.9

MaintenanceOpik +0.1

20.0

15.4

AdoptionOpik +2.7

18.1

+2.9

Runtime calibrationLangWatch +1.0

+1.9

1 dimension identical: Identity 18.0 · Full evidence table

An independent, evidence-based trust comparison of LangWatch and Opik, two Observability & Evaluation projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	LangWatchlangwatch/langwatch	Opikcomet-ml/opik
HVTrust score	86.9	78.7
Evidence grade	A	B
Coverage grade	A	A
Overall rank	#70	#194
Rank in Observability & Evaluation	#3	#7
GitHub stars	5.0k	22.7k
Last updated	1d ago	today
Build provenance	Yes	Yes
OSSF Scorecard	4.9 / 10	—
License	Apache-2.0	Apache-2.0
Downloads	77k/wk	514k/wk
Trust dimensions (points earned)
Safety / integrity / 25	18.0	12.2
Identity & provenance / 18	18.0	18.0
Transparency / 17	12.7	8.5
Maintenance / 20	19.9	20.0
Adoption / 20	15.4	18.1
Runtime capability surface (full matrix)
MCP server	Implemented	Implemented
External providers	1 — Anthropic	4 — Amazon Bedrock, Anthropic, Multi-provider (LiteLLM), …
Requires API keys	No	No
Plugin surface	plugins	extensions
Provenance drift	Partial	Partial

Open in the live compare tool → LangWatch profile Opik profile More Observability & Evaluation →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →