Pricing

Simple, transparent pricing.

Free to start. No credit card required. Scale when you're ready.

Pricing

Pay for execution. Not infrastructure.

Usage-based pricing. No seats. No infrastructure surprises.

Free

$0forever

For solo builders and prototypes.

Start free
  • 10,000 workflow runs / month
  • 1 concurrent worker
  • Community Slack support
  • 7-day execution history
  • Open-source SDKs
Most popular

Pro

$49per month

For production AI workloads.

Request early access
  • 1M workflow runs / month
  • 10 concurrent workers
  • Priority email support
  • 90-day execution history
  • Custom domains & webhooks
  • Multi-region deployment
  • Advanced observability

Enterprise

Customannual

For scale, compliance, and SLAs.

Contact sales
  • Unlimited workflow runs
  • Dedicated infrastructure
  • VPC peering & PrivateLink
  • Custom retention & audit logs
  • Compliance roadmap (SOC 2 planned pre-GA)
  • Uptime SLA on request
  • Dedicated solutions engineer

All plans include open-source SDKs, public docs, and community support.

Compare plans

Feature
Free
Pro
Enterprise
Workflow runs / month
10,000
1,000,000
Unlimited
Concurrent workers
1
10
Custom
Execution history
7 days
90 days
Custom
Multi-region deployment
Custom domains & webhooks
Advanced observability
VPC peering / PrivateLink
SSO / SAML 2.0
Dedicated infrastructure
Compliance roadmap (SOC 2 pre-GA)
Uptime SLA
On request
Support
Community
Priority email
Dedicated SE

FAQ

Common questions

Can't find what you're looking for? Contact our team.

LangChain provides primitives for building LLM apps. PlexRun provides the runtime to execute them at production scale — distributed workers, retries, queuing, state management, and observability. We compose well together: many users build with LangChain and deploy on PlexRun.

Not sure which plan?

Talk to us — we'll help you figure out the right fit for your team and workload.