Langfuse

by Langfuse · Berlin, Germany · Since 2022

Open-source LLM engineering.

AI agent & LLM development platforms Prompt engineering toolsAI poweredNewFree planOpen source

Starting price: Free plan
Free trial / plan: Free plan; Start without a card
Deployment: Cloud; Web
App Advisor rating: 4.4; transparency & India fit

What is Langfuse?

Langfuse is ai agent & llm development platforms from Langfuse, based in Berlin, Germany and has been building software since 2022. Open-source LLM engineering.

AI agent platforms let developers and teams build assistants on top of language models — retrieval over company data, tool use, workflows and monitoring. Model providers offer APIs; orchestration tools add the plumbing.

A free plan is available, with paid plans for growing teams. Beyond ai agent & llm development platforms, Langfuse also covers prompt engineering tools.

What works well

+Free plan available
+Prices published openly on the official pricing page
+Developer API documented on the official site
+Integrations directory on the official site
+States SOC 2, ISO 27001, GDPR compliance

What to watch out for

−Prices listed in USD, not Indian rupees

Best suited for: Startup · Small business · SMB

Langfuse at a glance

Analysing Langfuse — pricing, features, reviews and alternatives…

Generated by App Advisor's native engine from this listing's verified data — not a paid placement.

Langfuse features

As listed on Langfuse's official website.

All product features MIT licensed
Scales to billions of monthly events
Fork, modify, contribute
REST APIs for everything
Query SDK
S3 blob storage export
35,000+ GitHub stars
5,000+ Discord members
Weekly releases and community hours
Langfuse Assistant
OTel native Standard trace format. Works with existing OpenTelemetry instrumentation
100+ integrations Works with any model, any framework, and stack

What customers say about Langfuse

Testimonials published on Langfuse's own website, selected by the vendor. These are not independent reviews.

“We wanted something built for agents as users first. And that means API first . An agent should never get stuck waiting for a human because of a deficiency in the API. This is what Langfuse is.” Source

“Langfuse has enabled our developers to get extremely fast feedback . It's fundamental to how our developers understand their AI implementations.” Source

“When a customer pings us, we instantly open Langfuse. This allows keeping support resolution under 8 minutes.” Source

Langfuse pricing

Entry price

Free plan

Free plan, paid tiers for more users and features

How Langfuse charges. Plans scale with users or features. Annual billing is usually 15–25% cheaper than monthly, and GST is added on top of listed prices in India.

Read from the vendor's official website. Prices change — confirm on langfuse.com.

Langfuse screenshots

Langfuse video

Open House Amsterdam: Langfuse

Specifications

Category: AI agent & LLM development platforms, Prompt engineering tools
Vendor: Langfuse
Headquarters: Berlin, Germany
Founded: 2022
Pricing model: Freemium
Starting price: Free plan
Deployment: Cloud
Platforms: Web
Best for: Startup, Small business, SMB
Made in India: No

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Langfuse — frequently asked questions

How do I sign up for Langfuse?+

New accounts are created at https://langfuse.com/docs/observability/get-started on Langfuse's official site.

How much does Langfuse cost?+

Langfuse publishes its plans at https://langfuse.com/pricing. It offers a free plan. Check that page for current prices, as plans change.

Is Langfuse secure and compliant?+

Langfuse's official site states SOC 2, ISO 27001, GDPR, HIPAA compliance.

What is Langfuse?+

Langfuse is ai agent & llm development platforms by Langfuse. Open-source LLM engineering.

How much does Langfuse cost?+

Langfuse has a free plan. Check the vendor's pricing page for current plans.

Does Langfuse offer a free trial or free plan?+

Yes — Langfuse offers a free plan you can start with.

Is Langfuse made in India?+

No. Langfuse is developed by Langfuse in Berlin, Germany.

Who is Langfuse best suited for?+

Langfuse suits startup, small business, smb buyers looking for ai agent & llm development platforms with prompt engineering tools.

What are the best alternatives to Langfuse?+

Popular alternatives in ai agent & llm development platforms include Hugging Face, Groq, Portkey. Use App Advisor's compare tool to see them side by side.

How is Langfuse deployed?+

Langfuse is available as a cloud (SaaS) product, with web access.