LangChain pricing
LangChain is the framework most LLM agents are built on, and its paid product, LangSmith, is how that agent stack gets traced and monitored in production. It is one of the few AI infrastructure vendors with a free tier and a published per-seat price before usage kicks in.
- Priced by
- Per seat
- Headquarters
- San Francisco, US
- Founded
- 2022
- Pricing page tracked since
- Unknown
- Last checked
- Sep 21, 2026
LangChain price history and price changes
LangChain's pricing was read on Sep 2026. Prices are USD per seat per month, before usage.
Developer has been listed since Sep 2026, starting at $0.
Plus has been listed since Sep 2026, starting at $39.
First read on 21 September 2026, so the chart starts now.
Plans and prices
Priced per user or member per month. Prices as extracted on Sep 21, 2026.
Developer
Free
Sep 21, 2026
Plus
$39per seat per month, then pay as you go
Sep 21, 2026
Enterprise
Contact sales
Sep 21, 2026
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Pricing page over the years
No archived copies of this pricing page were found yet.
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LangChain pricing questions
- How much does LangChain cost?
- LangChain costs $39 per seat per month, then pay as you go on the Plus plan, and there is a free plan. Prices are as shown on the pricing page when it was last read on Sep 21, 2026.
- Does LangChain have a free plan?
- Yes. LangChain lists a free plan next to its paid plans, so you can start without paying.
- Has LangChain raised its prices?
- Developer has been listed since Sep 2026, starting at $0. Plus has been listed since Sep 2026, starting at $39. First read on 21 September 2026, so the chart starts now.
About LangChain
LangChain have offered 3 different plans starting with Developer at 0$. LangChain is a San Francisco, US based company. Founded in 2022. They are using a combination of Sales-Led and Product-Led go-to-market strategy. The company describes themselves as "LangChain is the open-source framework most LLM agents are built on; its paid product is LangSmith, which traces, evaluates and monitors those agents in production. Developer is free for one seat, Plus is $39 per seat a month plus usage-based compute and storage units, and Enterprise is quoted.". They are in involved in Artificial Intelligence, Developer Tools, API, Cloud Computing, SaaS.