LangSmith

AI-powered ai evaluation tool

LangSmith is an AI-powered ai agent tool that helps you automate routine tasks with a free tier to get started.

Best for: Teams and professionals looking to leverage AI for better results

Last verified: 2026-02-17

Visit LangSmithSee alternatives Pricing

⚡ API🌐 Web

FreemiumAI Agent

Overview

LangSmith is a ai agent tool designed for professionals and teams looking to leverage AI for better results. Available on API, Web, LangSmith integrates into your existing workflow. A free plan is available so you can try LangSmith before committing to a paid subscription. Whether you need to automate routine tasks or enhance your ai agent workflow, LangSmith provides the tools to get the job done efficiently.

Key features

LangSmith offers intuitive user interface
API access for custom integrations in LangSmith
Multi-format output support
AI-powered automation and intelligence
LangSmith provides a developer API for custom integrations
Free tier available to get started with LangSmith

LangSmith pricing

Freemium

LangSmith offers freemium pricing. Visit the official website for the most up-to-date pricing details.

View pricingPricing verified Feb 2026

What you can do with LangSmith

✓Automate routine tasks
✓Use LangSmith to improve workflow efficiency
✓Use LangSmith to generate content and insights
✓Integrate LangSmith via API into existing workflows
✓Get started free and upgrade as your needs grow

Pros and cons

Pros

LangSmith easy to get started with
Saves time on routine tasks
LangSmith offers a free plan to get started

Cons

AI outputs may need human review
May require a paid plan for full features

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Frequently asked questions

What is LangSmith?

LangSmith is langSmith is an AI-powered ai agent tool that helps you automate routine tasks with a free tier to get started. It falls under the AI Agent category of AI tools.

Is LangSmith free to use?

Yes, LangSmith offers a free plan with limited features. Paid plans unlock additional capabilities and higher usage limits.

How much does LangSmith cost?

LangSmith offers the following plans: Free: $0. Prices may change, so visit the official website for the most current pricing.

What are the best LangSmith alternatives?

There are several alternatives to LangSmith in the AI Agent space. Check our LangSmith alternatives page for a detailed comparison of similar tools with features, pricing, and user reviews.

What platforms does LangSmith support?

LangSmith is available on API, Web. This makes it accessible across different devices and workflows.