Software · head to head
Fig vs LangSmith
The short version
- Only Fig has a free tier, so it costs nothing to try first.
- Each has a real cost: Fig shut down on 1 September 2024. Amazon acquired Fig in August 2023 and folded it into Amazon Q Developer, which now carries the terminal autocomplete; LangSmith usage beyond the included trace allotment is billed in LangChain Compute Units at $1.50 per LCU and Storage Units at $1.00 per LSU, an unfamiliar metering unit compared to flat per-seat pricing, as of August 2026.
Where they differ
Only the attributes on which Fig and LangSmith actually diverge.
Identical on both: platforms (Web), user rating (Not yet rated), category (Unknown).
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Fig
- Shut down on 1 September 2024. Amazon acquired Fig in August 2023 and folded it into Amazon Q Developer, which now carries the terminal autocomplete
- The standalone desktop app is no longer available or supported
- The completion specs remain open source on GitHub, but the product that consumed them is gone
LangSmith
- Usage beyond the included trace allotment is billed in LangChain Compute Units at $1.50 per LCU and Storage Units at $1.00 per LSU, an unfamiliar metering unit compared to flat per-seat pricing, as of August 2026.
Pricing, plan by plan
Fig
FreeNo published plan breakdown. See the Fig review.
LangSmith
On requestNo published plan breakdown. See the LangSmith review.
Which should you pick?
Choose LangSmith if
Nothing in the data separates LangSmith from Fig on the points above - pick on price and on how each one feels to use.
Questions people ask
- Is Fig or LangSmith better?
- Neither clearly leads. Fig starts at Free and LangSmith at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Fig or LangSmith?
- Fig has a free tier; the other does not. Paid plans start at Free for Fig and On request for LangSmith.
- Does Fig or LangSmith run on more platforms?
- Both run on Web, so platform support will not decide this one for you.
- Can I use Fig for free?
- Yes. Fig has a free tier, so you can try it without paying. LangSmith starts at On request.
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