LangGraph Platform vs Stack AI — Pricing (2026)

LangGraph Platform vs Stack AI

Ai Agent Platforms pricing comparison · 2026

LangGraph Platform pricing ranges from $0–$39/per seat / month + usage, while Stack AI ranges from $0–$0/per month + custom enterprise. Stack AI is typically 100% more affordable, though your actual cost depends on tier and team size.

Ai Agent Platforms

LangGraph Platform

$0–$39
/per seat / month + usage
3 plans · Free tier
Full pricing breakdown →
VS
Ai Agent Platforms

Stack AI

$0–$0
/per month + custom enterprise
2 plans · Free tier
Full pricing breakdown →

LangGraph Platform and Stack AI both operate in the ai agent platforms category. This page compares their published pricing.

Plan-by-Plan Pricing

Plan LangGraph Platform Stack AI
Developer Free /month Free /month
Plus $39 /per seat / month Custom
Enterprise Custom