Flare vs Langfuse

See how their public offers line up before you choose your own position. Prices stay in the currency, billing schedule, and charged unit each vendor publishes.

Flare

See full pricing history

USD · US · source: flareapp.io

Plan	Pricing	Charged by	Offer type
Hobby — Monthly	USD 9 monthly / month	Flat · / month	Standalone · Fixed
Hobby — Yearly	USD 7.5 / month with annual commitment / year	Flat · / year	Standalone · Fixed
Standard — Monthly Highlighted	USD 39 monthly / month	Flat · / month	Standalone · Fixed
Standard — Yearly	USD 32.5 / month with annual commitment / year	Flat · / year	Standalone · Fixed
Growth — Monthly	USD 99 monthly / month	Flat · / month	Standalone · Fixed
Growth — Yearly	USD 82.5 / month with annual commitment / year	Flat · / year	Standalone · Fixed
Premium — Monthly	USD 299 monthly / month	Flat · / month	Standalone · Fixed
Premium — Yearly	USD 249.17 / month with annual commitment / year	Flat · / year	Standalone · Fixed

Langfuse

See full pricing history

USD · US · source: langfuse.com

Plan	Pricing	Charged by	Offer type
Hobby	Free Free	Flat	Standalone · Free
Core	USD 29 monthly $29 / month	Flat · / month	Standalone · Fixed
Pro	USD 199 monthly $199 / month	Flat · / month	Standalone · Fixed
Enterprise	USD 2499 monthly $2499 / month	Flat · / month	Standalone · Fixed

What each plan includes

Feature names follow each vendor’s own pricing page, so verify the wording before treating them as exact equivalents.

Flare

Hobby — Monthly

Highlights Users: Single user

Included
Highlights Projects: Single project

Included
Highlights Errors per month: 10,000 errors / mo

Included
Highlights Spans per month: 5,000,000 spans / mo

Included
Highlights Logs per month: 1,000,000 logs / mo

Included

Hobby — Yearly

Highlights Users: Single user

Included
Highlights Projects: Single project

Included
Highlights Errors per month: 10,000 errors / mo

Included
Highlights Spans per month: 5,000,000 spans / mo

Included
Highlights Logs per month: 1,000,000 logs / mo

Included

Standard — Monthly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 100,000 errors / mo

Included
Highlights Spans per month: 20,000,000 spans / mo

Included
Highlights Logs per month: 5,000,000 logs / mo

Included

Standard — Yearly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 100,000 errors / mo

Included
Highlights Spans per month: 20,000,000 spans / mo

Included
Highlights Logs per month: 5,000,000 logs / mo

Included

Growth — Monthly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 300,000 errors / mo

Included
Highlights Spans per month: 50,000,000 spans / mo

Included
Highlights Logs per month: 10,000,000 logs / mo

Included

Growth — Yearly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 300,000 errors / mo

Included
Highlights Spans per month: 50,000,000 spans / mo

Included
Highlights Logs per month: 10,000,000 logs / mo

Included

Premium — Monthly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 2,000,000 errors / mo

Included
Highlights Spans per month: 250,000,000 spans / mo

Included
Highlights Logs per month: 50,000,000 logs / mo

Included

Premium — Yearly

Highlights Users: Unlimited users

Included
Highlights Projects: Unlimited projects

Included
Highlights Errors per month: 2,000,000 errors / mo

Included
Highlights Spans per month: 250,000,000 spans / mo

Included
Highlights Logs per month: 50,000,000 logs / mo

Included

Langfuse

Hobby

Highlights All platform features (with limits): Limited
Highlights Included usage: 50k units / month included

Included
Highlights Access to historical data: 30 days

Limited
Highlights Users: 2 users

Limited
Support Community support via GitHub: Included
Feature comparison Ingestion throughput: 1,000 requests / min

Limited
Feature comparison Human Annotation Queues: 1 queue

Limited
Feature comparison Alerts: 2 alerts

Limited
Feature comparison Rate limit (General API): 30 requests / min

Limited
Support In-app support: Excluded
Security Data retention management: Excluded

Core

Highlights Everything in Hobby: Included
Highlights Included usage: 100k units / month included, additional: $8/100k units. Lower with volume ( pricing calculator )

Included
Highlights Access to historical data: 90 days

Limited
Highlights Users: Unlimited users

Included
Support In-app support: Included
Feature comparison Ingestion throughput: 4,000 requests / min

Limited
Feature comparison Human Annotation Queues: 3 queues

Limited
Feature comparison Alerts: 20 alerts

Limited
Feature comparison Rate limit (General API): 100 requests / min

Limited
Security Data retention management: Excluded
Support Response time SLO: 48h

Included

Pro

Highlights Everything in Core: Included
Highlights Included usage: 100k units / month included, additional: $8/100k units. Lower with volume ( pricing calculator )

Included
Highlights Access to historical data: 3 years

Included
Highlights Data retention management: Included
Highlights Unlimited annotation queues: Included
Highlights High rate limits: Included
Highlights SOC2 & ISO27001 reports, HIPAA-ready region: Included
Support Prioritized in-app support: Included
Feature comparison Ingestion throughput: 20,000 requests / min

Limited
Feature comparison Alerts: 50 alerts

Limited
Feature comparison Rate limit (General API): 1,000 requests / min

Limited
Feature comparison Users: Unlimited

Included

Enterprise

Highlights Everything in Pro + Teams: Included
Highlights Included usage: 100k units / month included, additional: $8/100k units. Lower with volume ( pricing calculator )

Included
Highlights Audit Logs: Included
Highlights SCIM API: Included
Highlights Custom rate limits: Included
Highlights Uptime SLA: Included
Highlights Support SLA: Included
Support Dedicated support engineer: Included
Feature comparison Access to historical data: 3 years

Included
Feature comparison Ingestion throughput: Custom

Included
Feature comparison Alerts: 100 alerts

Limited
Feature comparison Users: Unlimited

Included

How their prices changed

Each dated row shows the public prices observed when that vendor’s pricing page changed.

Flare

August 27, 2026 Source
- Hobby — Monthly: USD 9 monthly
- Hobby — Yearly: USD 7.5 / month with annual commitment
- Standard — Monthly: USD 39 monthly
- Standard — Yearly: USD 32.5 / month with annual commitment
- Growth — Monthly: USD 99 monthly
- Growth — Yearly: USD 82.5 / month with annual commitment
- Premium — Monthly: USD 299 monthly
- Premium — Yearly: USD 249.17 / month with annual commitment

Langfuse

August 27, 2026 Source
- Hobby: Free
- Core: USD 29 monthly
- Pro: USD 199 monthly
- Enterprise: USD 2499 monthly
August 27, 2026 Source
- Hobby — default: Free
- Core — default: USD 29 monthly · USD 29 / month with annual commitment
- Pro — default: USD 199 monthly · USD 199 / month with annual commitment
- Enterprise — default: Contact sales