Langfuse vs Splunk

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

The short answer

Splunk is the stronger AI pick in Observability: it has a visibility score of 22.5 versus 1.4 for Langfuse, and ranks ahead in 100% of the answers that name both.

Choose Langfuse if…

AI answers describe it more positively (50% vs 21% positive)
You need SOC 2 Type II or ISO 27001 or HIPAA-ready region or GDPR coverage
Discounted cloud pricing for qualifying early-stage startups
Well suited to evaluating and debugging LLM or agent behavior

Choose Splunk if…

You want the brand AI engines rank higher (22.5 vs 1.4)
You want a lower entry price ($15 vs $29)
You need more native integrations (2000+ vs 100+)
Strong log analytics and security data capabilities at enterprise scale

AI visibility side by side

Latest weekly run · Nov 3

Metric	Langfuse	Splunk
Visibility score	1.4%	22.5%
Change vs last week	New	New
Rank in Observability	#27	#6
Share of voice	0.4%	5.8%
Mentions this run	2	35
Positive in AI answers	50%	21%

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

Visibility score trend

Weekly runs over the last 60 days

Langfuse 0pp · Splunk 0pp over 0 weekly runs.

Engine by engine

Splunk leads on 3 of 3 engines

ChatGPT

30.2%

AI Mode

15.4%

Perplexity

4.1%

21.9%

LangfuseSplunk

Head to head in AI answers

1 engine answers name both brands

0Langfuse ranked higher

1Splunk ranked higher

Prompt	Engine	Langfuse	Splunk
Which observability tools offer annual discounts?	Perplexity	#10	#2

Features, pricing & fit

Dimension	Langfuse	Splunk
Pricing model	Usage-based	Usage-based
Entry price	Free; paid from $29 / mo	Free; paid from $15 / mo
Free plan	Yes	Yes
Deployment	Langfuse Cloud in US, EU, Japan and HIPAA regions, or self-hosted under the MIT license	Splunk Cloud Platform as SaaS, or Splunk Enterprise in a private cloud or on-premises, including air-gapped environments
Integrations	100+	2000+
Compliance	SOC 2 Type II, ISO 27001, HIPAA-ready region, GDPR	—
Support	Community support via GitHub, In-app support, Private Slack or MS Teams channel on Pro and Enterprise plans, Named lead support engineer on Enterprise plans	Standard support included with product purchases, Premium support available, Support Portal for capacity changes
Founded	—	2003
Headquarters	—	San Francisco, California, US
Employees	—	5,000+
Funding	Seed · $4M raised	IPO
Best for	Engineering teams building LLM applications and AI agents that want open-source, self-hostable tracing and evaluation	SecOps, ITOps and engineering teams that run large volumes of machine data and need security and observability in one platform