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Langfuse

Trace, evaluate, and improve AI agents with one open platform

Easy start 2/3Mostly free to start

Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.

Free tier

Free tierYes
See the source
“Get Started — Free tier: 50k observations/month .”
langfuse.com · read 2026-09-28
Credit cardNot required
See the source
“No credit card required.”
langfuse.com · read 2026-09-28
WatermarkNot verified
Sign-inNot verified
Commercial useNot verified
CheckedNot checked by hand

Read off the vendor's own pages. Open “See the source” under any row to check the exact wording — these details change often and are not re-checked by hand every day.

Something out of date? Report an error.

Pricing

Modelfreemium
Starts atNot published
Auto-renewsYes
VendorUnknown

What it is

Trace, evaluate, and improve AI agents with one open platform. Use production data to understand behavior, collaborate on fixes, and ship better quality at lower cost and latency.

What people use it for

monitor & log management

Categories

Alternatives compared

See all 6 Langfuse alternatives →

Same job, different terms. Unverified rows stay marked — we do not fill them in.

ToolFree tierCardWatermarkFrom
Langfusethis toolYesNot required—Not published
Dash014-day trialNot required—Not published
Elastic Stack14-day trialNot required—Not published
Site24x730-day trialNot required—Not published
LogicMonitor———Not published
ManageEngine Applications Manager———Not published
SolarWinds———Not published

Listed on ToolVault. Details change often — if something here is out of date, tell us.