OpenLLMetry Pricing 2026

Plans, hidden costs, and cheaper alternatives compared

Pricing verifiedMay 2026

2 plans tracked·Updated May 2026

Is OpenLLMetry worth the price?

85/10

OpenLLMetry offers a generous "Free Forever" tier with up to 50K spans/month, which is excellent for small projects and individual developers.

The "Enterprise" tier is custom-priced, which is standard for larger organizations but lacks transparency for budgeting. This pricing model is best for early-stage LLM projects and enterprises needing tailored observability solutions.

Pricing Plans

Free Trial

Free Forever

$0 / mo

Up to 50K spans / month
Up to 5 Seats
24 Hours Data Retention
Monitoring Dashboard
Evaluation Dashboard
CI/CD integration
Prompt Management

Enterprise

>50K spans / month
Unlimited Seats
Custom Data Retention
Monitoring Dashboard
Evaluation Dashboard
CI/CD integration
Prompt Management
SOC 2 Compliance
On-prem deployment option
Dedicated slack support

Calculate your cost View full pricing

Hidden Costs & Gotchas

Enterprise pricing is opaque, requiring direct contact.

No clear pricing for exceeding 50K spans/month on free tier.

Potential for high costs in Enterprise for custom retention.

Which Plan Do You Need?

Individual LLM developers

Small teams exploring LLMs

Enterprises needing custom solutions

How OpenLLMetry Compares to Competitors

Compared to commercial LLM observability platforms like Langfuse or Arize AI, OpenLLMetry's "Free Forever" tier is very competitive, offering a substantial usage limit at $0. Many competitors offer more restrictive free tiers or immediately jump to paid plans, making OpenLLMetry a strong value proposition for initial adoption.

OpenLLMetry Pricing FAQ

How much does OpenLLMetry cost?

OpenLLMetry uses custom pricing. Contact OpenLLMetry directly for a quote based on your team size and requirements.

Does OpenLLMetry have a free plan?

Yes. OpenLLMetry offers a free plan called "Free Forever". It includes: Up to 50K spans / month, Up to 5 Seats, 24 Hours Data Retention.

Does OpenLLMetry offer a free trial?

Yes, OpenLLMetry offers a free trial. No credit card is typically required to start the trial, though this may vary.

Is there a cheaper alternative to OpenLLMetry?

Yes. Popular alternatives to OpenLLMetry include LangSmith, Arize AI, Helicone, Honeycomb. Free alternatives include LangSmith, Arize AI, Helicone. Compare them side-by-side on Toolradar.