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LangSmith LLM Gateway

Agent platform

by LangChain

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).

Find alternatives to LangSmith LLM Gateway

Requires Plus ($39/seat/month) or Enterprise -- the product's own FAQ states 'LLM Gateway is currently available with LangSmith Plus and Enterprise plans,' not on the free Developer plan during its public beta. Gateway usage is billed via pay-as-you-go Gateway Credits on top of the plan.

What it does

• Agent orchestration

Sources

Pricing

Pricing page · 14 Sep 2026

Requires Plus ($39/seat/month) or Enterprise -- the product's own FAQ states 'LLM Gateway is currently available with LangSmith Plus and Enterprise plans,' not on the free Developer plan during its public beta. Gateway usage is billed via pay-as-you-go Gateway Credits on top of the plan.

Description

Official documentation · 14 Sep 2026

What it does

Official documentation · 14 Sep 2026

Sold within

Official documentation · 14 Sep 2026

Product FAQ, quoted verbatim: 'LLM Gateway is currently available with LangSmith Plus and Enterprise plans.'

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 Sandboxes Agent platform

  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).

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