LangSmith vs Looker

Which one do AI engines recommend, and how do they differ on price, fit and features?

The short answer

Looker is the stronger AI pick in AI Agents: it has a visibility score of 10.4 versus 3 for LangSmith, and ranks ahead in 75% of the answers that name both.

Choose LangSmith if…

You need SOC 2 Type II or GDPR or ISO 27001 (Engine feature) coverage
strong production observability
tracing, debugging and response evaluation

Choose Looker if…

You want the brand AI engines rank higher (10.4 vs 3)
AI answers describe it more positively (30% vs 17% positive)
You need SOC 2 or ISO 27001 or FedRAMP coverage
Governed semantic layer and metric consistency

AI visibility side by side

Latest weekly run · Nov 3

Metric	LangSmith	Looker
Visibility score	3%	10.4%
Change vs last week	New	New
Rank in AI Agents	#31	#13
Share of voice	0.9%	2.5%
Mentions this run	6	17
Positive in AI answers	17%	30%

The stronger value in each row is marked with a ✓.

Visibility score trend

Weekly runs over the last 60 days

LangSmith 0pp · Looker 0pp over 0 weekly runs.

Engine by engine

Looker leads on 3 of 3 engines

ChatGPT

16.1%

AI Mode

0.9%

11.5%

Perplexity

0.9%

3.5%

LangSmithLooker

Head to head in AI answers

4 engine answers name both brands

1LangSmith ranked higher

3Looker ranked higher

Prompt	Engine	LangSmith	Looker
What should an AI agent platform integrate with?	ChatGPT	#17	#6
What should an AI agent platform integrate with?	AI Mode	#9	#3
Compare the leading AI Agents platforms	ChatGPT	#13	#14
Official website of the top AI agent platform vendors	Perplexity	#14	#5

Features, pricing & fit

Dimension	LangSmith	Looker
Deployment	Cloud, Bring Your Own Cloud, and Self-hosted	Google Cloud
Compliance	SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature)	SOC 2, ISO 27001, FedRAMP, HIPAA
Headquarters	San Francisco, California	—
Funding	Series B	Series E · $280M raised