LangSmith

Rising

AI Observability

LangChain's observability and evaluation platform for LLM applications. Traces every LLM call, enables dataset-based evals, and provides a UI for debugging complex chains and agents.

Best For

Teams & solo builders

Key Pros & Cons

Watch Out For

Low community score (2/100) — smaller support network

Market Momentum

44

-1

24h

+25

7d

+26

30d

14-day heat score history

Creator Buzz3

Search Interest71

Community Activity2

Abandonment & Maintenance Risk

Low Risk

Trend phaseRising

30-day score change+26 pts

Listed on HookFlow2mo old

Discontinued flag✓ No

Risk Factors

No major abandonment signals detected
Active growth — strong maintenance signal

Data Lock-In Index

100

/ 100 (lower = more open)

○ Webhooks Out○ Bulk Export○ Open Formats

vs. Category Peers (AI Observability)

Tool

A.R.C.

Heat

7d Δ

Lock-In

LangSmith (this)

LLM call tracing & evals

—

44

+25

100

Langfuse▲ Rising

Open-source LLM observability

—

51

+27

100

Promptfoo▲ Rising

Prompt testing & evals

—

49

+25

100

Helicone

Snapshot Disclaimer: All scores, rankings, and metrics in this report reflect data as of June 20, 2026. Heat scores, community activity, and market momentum are recalculated daily — figures shown here represent a point-in-time snapshot and may differ from current values on HookFlow.ai.

HookFlow.ai Infrastructure Report — June 20, 2026hookflow.ai

Growth Momentum100

Score ForecastConfidence: low

3

7-day est.

3

14-day est.

Trend slope: 0.00 pts/day

What This Score Means

LangSmith is in the rising phase within AI Observability, gaining +25 pts this week — adoption is building.

▲ Rising

AI app monitoring

—

34

+8

100

Portkey▲ Declining

—

21

-25

100

Lock-In: 0 = fully open, 100 = maximum data lock-in. A.R.C. = Architecture · Reliability · Context score (A–F).