Langfuse
by Langfuse
At a glance
LLM engineering platform connecting agent traces, prompt versions and evaluations.
eval developer-tools
- Licence
- Not recorded
- Category
- Platforms & Infrastructure
- Business model
- Freemium
- Availability
- Not recorded
- Launched
- Not recorded
Overview
Typical uses include Investigation of agent failures; Regression evaluation of AI applications. Documented capabilities: Trace LLM calls, tool steps and agent execution; Version and manage prompts independently of code; Dataset-based evaluations and human feedback.
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Key features
- Trace LLM calls, tool steps and agent execution
- Version and manage prompts independently of code
- Dataset-based evaluations and human feedback
Use cases
- Investigation of agent failures
- Regression evaluation of AI applications
Pricing
The open-source platform can be self-hosted. Cloud has a Hobby tier; Core is USD 29 per month with 100000 units included and additional units metered. Cloud retention and team features vary by tier, and external model evaluation costs remain separate.
Record details
Provenance, dates and links are kept here so the main sections stay about the product itself.
Links, dates and provenance
- Record updated
- 2026-11-03
- Pricing
- langfuse.com ↗
- Documentation
- langfuse.com ↗
- Canonical URL
- https://globalaiproductindex.com/products/langfuse/
Selection profile
Every field says where its value comes from. "Unknown" means we have not confirmed it — it does not mean the product lacks the feature.
Selection profile11 fields5 unknown
- Tasks it fits
- Data analysis
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - How you use it
- Web app
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - Runs on
- Web
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - Where it runs
- Vendor cloud Self-hosted
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - Works offline
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Official service region
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Public API
- Yes
Editorial classification of the documented features; not a product-performance test.
Suggest a correction - Licence
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Commercial use
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Interface languages
- Not recorded
This product-specific field was not established in this entry’s source review.
Suggest a correction - Billing
- Open source Subscription Usage-based Free allowance: Limited Subscription required: No
Prices are the vendor’s advertised entry price and exclude taxes; always confirm on the vendor’s own page.
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Where each value comes from
- Tasks it fits
- Our inference
- How you use it
- Our inference
- Runs on
- Our inference
- Where it runs
- Our inference
- Works offline
- Unknown
- Official service region
- Unknown
- Public API
- Our inference
- Licence
- Unknown
- Commercial use
- Unknown
- Interface languages
- Unknown
Key facts and their evidence
Each fact lists the conditions it holds under, the page it was read from and the day it was checked.
-
Capability: Trace LLM calls, tool steps and agent execution Verified 2026-11-03 langfuse.com ↗
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Frequently asked questions
Where does Langfuse fit in a workflow?
LLM engineering platform connecting agent traces, prompt versions and evaluations. Trace LLM calls, tool steps and agent execution.
What costs and limits should I compare before choosing Langfuse?
The open-source platform can be self-hosted. Cloud has a Hobby tier; Core is USD 29 per month with 100000 units included and additional units metered. Cloud retention and team features vary by tier, and external model evaluation costs remain separate.
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All Langfuse alternatives → · All Platforms & Infrastructure products →
Sources
- Langfuse — official product ↗
- Langfuse — official documentation and terms ↗
- Langfuse — official documentation and terms ↗
This record was last reviewed on 2026-11-03.
Machine-readable record: /api/products/langfuse.json · Spot an error? Suggest a correction