Exceptionless 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.

Exceptionless

See full pricing history

USD · US · source: exceptionless.com

Plan	Pricing	Charged by	Offer type
Free	Free $0/month	Flat · per month	Standalone · Free
Small	USD 15 monthly $15/month	Flat · per month	Standalone · Fixed
Medium Highlighted	USD 49 monthly $49/month	Flat · per month	Standalone · Fixed
Large	USD 99 monthly $99/month	Flat · per month	Standalone · Fixed
Extra Large	USD 199 monthly $199/month	Flat · per month	Standalone · Fixed
Enterprise	USD 499 monthly $499/month	Flat · per month	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.

Exceptionless

Free

Plan card Projects: 1

Included
Plan card Events: 3,000/month

Included
Plan card Retention: 3 days

Included

Small

Plan card Projects: 5

Included
Plan card Events: 15,000/month

Included
Plan card Retention: 30 days

Included

Medium

Plan card Projects: 15

Included
Plan card Events: 75,000/month

Included
Plan card Retention: 90 days

Included

Large

Plan card Unlimited projects and users: Included
Plan card Events: 250,000/month

Included
Plan card Retention: 180 days

Included

Extra Large

Plan card Unlimited projects and users: Included
Plan card Events: 1 million/month

Included
Plan card Retention: 180 days

Included

Enterprise

Plan card Unlimited projects and users: Included
Plan card Events: 3 million/month

Included
Plan card Retention: 180 days

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.

Exceptionless

August 27, 2026 Source
- Free: Free
- Small: USD 15 monthly
- Medium: USD 49 monthly
- Large: USD 99 monthly
- Extra Large: USD 199 monthly
- Enterprise: USD 499 monthly

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