# How Harvey uses LangSmith

As published on [harvey.ai](https://www.harvey.ai/blog/how-agentic-search-unlocks-legal-research-intelligence), December 2025. Captured by usedby on 2026-11-01.

- Company: [Harvey](https://www.usedby.ai/companies/harvey.md)
- Tool: [LangSmith](https://www.usedby.ai/tools/langsmith.md)
- Industry: [Legal & Compliance](https://www.usedby.ai/companies/industry/legal-compliance-legaltech.md)
- Teams: Engineering, Applied Legal Researchers, Strategic Business Development Leads

## The use case: how Harvey deploys LangSmith

Harvey runs offline evaluations of its agentic search system in LangSmith, using OpenTelemetry traces from the OpenAI Agent SDK. The evaluations track metrics such as hallucination, tool recall, retrieval recall, formatting, and answer quality.

Summary written by usedby from the source page, in English. The figures are those of LangSmith and Harvey, not ours.

> Centralized evaluation infrastructure that we built using the OpenAI Agent SDK's OpenTelemetry traces enables us to run offline evaluations in LangSmith. We track metrics like hallucination, tool recall, retrieval recall, formatting, and answer quality.

## Other AI tools used by Harvey

- [Baseten](https://www.usedby.ai/tools/baseten.md) — Confirmed
- [Claude](https://www.usedby.ai/tools/claude.md) — Confirmed
- [ElevenLabs](https://www.usedby.ai/tools/elevenlabs.md) — Confirmed
- [Enterpret](https://www.usedby.ai/tools/enterpret.md) — Confirmed
- [Figma](https://www.usedby.ai/tools/figma.md) — Confirmed
- [Gemini](https://www.usedby.ai/tools/gemini.md) — Confirmed

## Other companies using LangSmith

- [Abridge](https://www.usedby.ai/companies/abridge.md) — Observed
- [AppFolio](https://www.usedby.ai/companies/appfolio.md) — Observed
- [Autodesk](https://www.usedby.ai/companies/autodesk.md) — Observed
- [Bridgewater](https://www.usedby.ai/companies/bridgewater.md) — Observed
- [Bristol Myers Squibb](https://www.usedby.ai/companies/bristol-myers-squibb.md) — Observed
- [C.H. Robinson](https://www.usedby.ai/companies/c-h-robinson.md) — Observed

## What usedby checked

We compared the story with its live page on 2026-11-01.

- Checked: the passage quoted above is copied word for word from the page, near the name of Harvey.
- Checked: the publication date is read from the page’s own metadata, never guessed.
- Checked: Harvey uses LangSmith. Confirmed line. Latest check across sources: 2026-11-01.
- Not checked: the result itself. We quote it; we did not measure it.

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Source: https://www.usedby.ai/case-studies/harvey-langsmith · How we check: https://www.usedby.ai/methodology