LangChain pricing context

LangSmith is offered on three tiers. Developer: free, 1 seat, 5k base traces/month, community support, 1 Fleet agent, 50 Fleet runs/month. Plus: $39/seat/month, 10k base traces/month, 1 free dev-sized agent deployment, email support, unlimited Fleet agents, 500 Fleet runs/month (additional at $0.05/run), up to 3 workspaces. Pay-as-you-go trace overages are $2.50/1k (base, 14-day retention) or $5.00/1k (extended, 400-day retention). Deployment run costs $0.005/run plus uptime at $0.0007/min (dev) or $0.0036/min (production). Enterprise: custom pricing, supports cloud, hybrid, and self-hosted (data stays in customer VPC), custom SSO/RBAC, SLA, and architectural guidance. A startup program offers discounted rates for VC-backed early-stage companies. Open-source frameworks (LangChain, LangGraph, Deep Agents) are MIT-licensed and free.