Open SourceFree, self-host or bring your own key
LangGraph pricing in 2026
LangGraph is open source. Free to run, source available, bring your own keys or self-host. Here is the breakdown of how you pay, plus cheaper alternatives if it is not the right fit.
How you pay
Free tierFree to run: self-host or bring your own API key.
Paid plansNot offered for this tool.
Usage / APIUsage cost is whatever your own model keys or hosting cost.
Open sourceSource-available: self-host to control cost.
Pricing summary: Free, self-host or bring your own key. Always confirm current plans on the official site.
Frequently asked questions
How much does LangGraph cost?
LangGraph is open source: Free, self-host or bring your own key.
Is LangGraph free?
Yes, LangGraph has a free path. Free to run: self-host or bring your own API key.