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Usage Limits

note

This page assumes that you have already read our guide on data retention. Please read that page before proceeding.

How usage limits work​

LangSmith lets you configure usage limits on tracing. Note that these are usage limits, not spend limits, which mean they let you limit the quantity of occurrances of some event rather than the total amount you will spend.

LangSmith lets you set two different monthly limits, mirroring our Billable Metrics discussed in the aforementioned data retention guide:

  • All traces limit
  • Extended data retention traces limit

These let you limit the number of total traces, and extended data retention traces respectively.

Properties of usage limiting​

Usage limiting is approximate, meaning that we do not guarantee the exactness of the limit. In rare cases, there may be a small period of time where additional traces are processed above the limit threshold before usage limiting begins to apply.

Side effects of extended data retention traces limit​

The extended data retention traces limit has side effects. If the limit is already reached, any feature that could cause an auto-upgrade of tracing tiers becomes inaccessible. This is because an auto-upgrade of a trace would cause another extended retention trace to be created, which in turn should not be allowed by the limit. Therefore, you can no longer:

  1. match run rules
  2. add feedback to traces
  3. add runs to annotation queues

Each of these features may cause an auto upgrade, so we shut them off when the limit is reached.

Updating usage limits​

Usage limits can be updated from the Settings page under Usage and Billing. Limit values are cached, so it may take a minute or two before the new limits apply.

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