# LangSmith vs TrueFoundry: who uses which

On usedby, 43 companies use LangSmith and 27 use TrueFoundry. 1 company uses both, including Nvidia. Counts include every proof level, job-post signals included. Companies named on both have a confirmed or observed line on each side. Latest check 2026-10-06: 64 of 70 public lines checked.

## Side by side

|  | [LangSmith](https://www.usedby.ai/tools/langsmith.md) | [TrueFoundry](https://www.usedby.ai/tools/truefoundry.md) |
|---|---|---|
| Public customers | 43 | 27 |
| Confirmed | 11 | 23 |
| Observed | 31 | 4 |
| Signals (job posts) | 1 | 0 |
| Top industries of customers | HR & Recruiting (5), Fintech & Payments (4), Biotech & Pharma (2) | Artificial Intelligence (2), Medical Devices (2), Accounting & Audit (1) |
| Category | LLM Ops & Frameworks | LLM Ops & Frameworks |
| Free trial | Free trial or free plan available. ([langchain.com](https://www.langchain.com/pricing), checked 2026-10-04) | Free trial or free plan available. ([truefoundry.com](https://www.truefoundry.com/pricing), checked 2026-10-07) |
| Pricing | Developer: $0 seat per month; Plus: $39 seat per month; Enterprise: contact sales ([langchain.com](https://www.langchain.com/pricing), checked 2026-10-04) | — |
| Security | — | SOC 2 Type II, HIPAA ([trust.truefoundry.com](https://trust.truefoundry.com/), checked 2026-10-07) |
| Integrations | — | AWS, GCP, Azure, Github, Gitlab, Bitbucket, Azure Repos, DockerHub, JFrog, Quay, Slack ([truefoundry.com](https://www.truefoundry.com/docs/integrations-overview), checked 2026-10-07) |

## Companies named on both

Confirmed or observed on each side.

| Company |
|---|
| [Nvidia](https://www.usedby.ai/companies/nvidia.md) |

## Published results

Reviewed stories only; usedby did not measure the figures.

- TrueFoundry: [Aviva Credito](https://www.usedby.ai/case-studies/aviva-credito-truefoundry-2.md): **\<20 minutes**: “7+ production services upgraded in \<20 minutes, without infra dependencies” (captured by usedby 2026-10-06)
- TrueFoundry: [FloQast](https://www.usedby.ai/case-studies/floqast-truefoundry.md): **4 million requests**: “the gateway processed more than 4 million requests across chat completions, responses, embeddings, and MCP calls” (captured by usedby 2026-10-06)

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Source: https://www.usedby.ai/compare/langsmith-vs-truefoundry · How we check: https://www.usedby.ai/methodology