LangChain
liveRate card history
Pricing lines captured on each sweep. Added and removed lines appear in the changelog the day they change.
Observed 2 Oct 2026
- $0 / seat per month
- Up to 5k base traces / mo, then pay-as-you-go
- $39 / seat per month
- Up to 10k base traces / mo, then pay-as-you-go
- We offer discounted rates and credits for VC-backed startups. Get up to $10,000 in credits.
- LangChain Standard Units. $1.00 / LSU
- $49 / mo
- $0 / seat
- $39 / seat
- Maximum of 1 seat (free)
- Add unlimited seats $39 per seat/month
- 5k base traces / mo included
- 10k base traces / mo included
- 1 free Serverless (Small) deployment included.
- + 7 more lines
Observed 1 Oct 2026
- $0 / seat per month
- Up to 5k base traces / mo, then pay-as-you-go
- $39 / seat per month
- Up to 10k base traces / mo, then pay-as-you-go
- We offer discounted rates and credits for VC-backed startups. Get up to $10,000 in credits.
- LangChain Compute Units. For work done & compute. $1.50 / LCU
- LangChain Storage Units. For traces & storage. $1.00 / LSU
- $49 / mo
- $0 / seat
- $39 / seat
- Maximum of 1 seat (free)
- Add unlimited seats $39 per seat/month
- 5k base traces / mo included
- 10k base traces / mo included
- + 11 more lines
Observed 27 Aug 2026
- $0 / seat per month
- Up to 5k base traces / mo, then pay-as-you-go
- $39 / seat per month
- Up to 10k base traces / mo, then pay-as-you-go
- We offer discounted rates and credits for VC-backed startups. Get up to $10,000 in credits.
- LangChain Compute Units. For work done & compute. $1.50 / LCU
- LangChain Storage Units. For traces & storage. $1.00 / LSU
- $49 / mo
- $0 / seat
- $39 / seat
- Maximum of 1 seat (free)
- Add unlimited seats $39 per seat/month
- 5k base traces / mo included
- 10k base traces / mo included
- + 11 more lines
Observed 24 Aug 2026
- $0 / seat per month
- Up to 5k base traces / mo, then pay-as-you-go
- $39 / seat per month
- Up to 10k base traces / mo, then pay-as-you-go
- We offer discounted rates and credits for VC-backed startups. Get up to $10,000 in credits.
- LangChain Compute Units. For work done & compute. $1.50 / LCU
- LangChain Storage Units. For traces & storage. $1.00 / LSU
- $49 / mo
- $0 / seat
- $39 / seat
- Maximum of 1 seat (free)
- Add unlimited seats $39 per seat/month
- 5k base traces / mo included
- 10k base traces / mo included
- + 11 more lines
Signal history
2 Oct 2026
rate cardLangChainchanged its pricing page
- Removed: LangChain Compute Units. For work done & compute. $1.50 / LCU
- Removed: LangChain Storage Units. For traces & storage. $1.00 / LSU
- Removed: Fleet usage metered in LCUs. Includes 5 LCU of Fleet usage / mo for free.
- Removed: Fleet usage metered in LCUs. Includes 25 LCU of Fleet usage / mo.
- Removed: Includes 5 LCU & 1 LSU of Sandbox usage / mo for free.
- Removed: LangChain Compute Unit (LCU): A LCU is a normalized unit of work done on the LangSmith Platform and is used for pricing purposes. Different services in LangSmith that do work and consume compute, tokens, or processing po
- Added: LangChain Standard Units. $1.00 / LSU
- Added: Includes 8 LSU of Sandbox usage / mo for free.
- Added: LangChain Standard Units ("LSUs") are the standard unit of measure for usage consumption across all LangSmith products and features. The number of LSUs consumed depends on each product's metering rate and usage. 1 L
- Added: Engine is metered in LSUs (LangChain Standard Units), which are consumed during each Engine run. 1 LSU costs $1.
1 Oct 2026
rate cardLangChainupdated its pricing page
- Page content changed but no pricing lines were added or removed. Possibly terms or plan descriptions.
27 Aug 2026
rate cardLangChainupdated its pricing page
- Page content changed but no pricing lines were added or removed. Possibly terms or plan descriptions.