Packaging change·May 25 → Jun 1, 2026·Week 23, 2026·AI & Machine Learning
LangChain launches metered billing at $1.50 per compute unit
What changed
New add-on
LangSmith Engine metered billing introduced at $1.50/LCU (LangChain Compute Unit). Enterprise plan packaging updated from 'Custom Fleet packages' to 'Custom packages for Fleet, Engine, and Sandboxes'.
Before and after
May 25, 2026 vs Jun 1, 2026Pulse.
100%
What changed
LangSmith Engine metered billing introduced at $1.50/LCU (LangChain Compute Unit). Enterprise plan packaging updated from 'Custom Fleet packages' to 'Custom packages for Fleet, Engine, and Sandboxes'.
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Week 21, 2026 · LangChain launches ephemeral agent sandboxes with usage-based pricingLangChain unlocks unlimited Fleet agents for free Developer plan · Week 25, 2026
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