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LangSmith Sandboxes

Agent platform

by LangChain

Runs agent-generated code in isolated virtual machines. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

Find alternatives to LangSmith Sandboxes

Included on both the free Developer plan and Plus: 'Includes 5 LCU & 1 LSU of Sandbox usage/mo for free. Limited to 10 Sandboxes.' Usage beyond the free allowance is metered.

What it does

• Agent orchestration

Sources

Pricing

Pricing page · 14 Sep 2026

Included on both the free Developer plan and Plus: 'Includes 5 LCU & 1 LSU of Sandbox usage/mo for free. Limited to 10 Sandboxes.' Usage beyond the free allowance is metered.

Description

Official documentation · 14 Sep 2026

What it does

Official documentation · 14 Sep 2026

Sold within

Pricing page · 14 Sep 2026

Both Developer and Plus rows state: 'Includes 5 LCU & 1 LSU of Sandbox usage / mo for free.' Available on both tiers, not gated behind Plus.

Name

Official documentation · 14 Sep 2026

URL

Official documentation · 14 Sep 2026

Also from LangChain

• LangChain Developer tool

  Open-source framework for composing language-model calls, tools and retrieval into applications.

• LangGraph Developer tool

  Open-source library for building agents as explicit graphs of steps and state.

• LangSmith Platform

  Traces, evaluates and monitors language-model applications in development and production.

• LangSmith Context Hub Agent platform

  Versions and deploys prompts and agent context. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Deployment Agent platform

  Deploys and operates production agents. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Engine Agent platform

  Analyzes agent traces and recommends fixes. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith Fleet Agent platform

  No-code agent building, deployment into Slack/Teams/Gmail, and human-in-the-loop approval controls. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

• LangSmith LLM Gateway Agent platform

  Governs model calls and spending across providers. Part of the LangSmith platform (categorized under 'No-Code Agents', 'Observability', 'Evaluation' or 'Deployment infrastructure' depending on the module).

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