# LangSmith

LangSmith is an observability, evaluation, and prompt-engineering platform. Its offering includes observability and evaluation, LangSmith Deployment for running agents, and an agent IDE called LangSmith Studio.

Page: https://slateindex.ai/brand/langsmith · data of 2026-11-03

## Facts

- Headquarters: San Francisco, California
- Latest funding: Series B
- Deployment: Cloud, Bring Your Own Cloud, and Self-hosted
- Compliance: SOC 2 Type II, HIPAA, GDPR, ISO 27001 (Engine feature)

## Products

- LangSmith: Observability, evaluation, and prompt-engineering platform.
- LangSmith Deployment: Runs agents; framework-agnostic and can host LangGraph, LangChain, Deep Agents, and others.
- LangSmith Studio: Agent IDE.
- Sandboxes: Add-on module for LangSmith.
- Engine: Add-on module for LangSmith.
- Fleet: Add-on module for LangSmith.
- LLM Gateway: Add-on module for LangSmith.
- Insights: Add-on module for LangSmith.
- Polly: Add-on module for LangSmith.

## Rankings

| Category | Rank | Visibility | Mentions |
|---|---|---|---|
| AI Agents | 31 of 80 | 3.0 | 6 |

## By engine

| Engine | Visibility | Mention rate |
|---|---|---|
| chatgpt | 7.0 | 14.8% |
| google_ai_mode | 0.9 | 3.7% |
| perplexity | 0.9 | 3.7% |

## Definitions

- Visibility (0–100): how often and how high AI answers name the brand, weighted by position.
- Mention rate: share of collected AI answers that name the brand.
- Share of voice: the brand's mentions as a share of all brand mentions in the category.
- Citation authority: share of answers naming the brand that cite the brand's own site.

Cite as: SlateIndex, “LangSmith AI visibility profile”, https://slateindex.ai/brand/langsmith, data of 2026-11-03. Licence: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/).