AI agents that run on API / developer

We track 6 AI agents here — AI agents that run on API / developer. Top picks include Aider, Browser Use, Claude Code. Each is rated with an honest verdict on what it's best (and not best) for, so you can match by integrations, models, pricing, and where it runs. Not sure which fits? The 2-minute selector matches you to the right one.

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Aider

Developers who live in the terminal and want local, open-source AI coding.

Local

CodingOpen sourceDeveloper

Technical setup

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Browser Use

Developers building web-automation and scraping agents.

Local

Browser AutomationOpen sourceDeveloper

Technical setup

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Claude Code

Anthropic

Developers who want an agentic coding assistant with deep codebase access.

Local

CodingPaidDeveloper

Technical setup

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CrewAI

Developers building custom multi-agent systems with full control.

LocalSelf-host

Developer FrameworksOpen sourceDeveloper

Technical setup

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LangGraph

LangChain

Developers building production agents needing fine control.

Developer FrameworksOpen sourceDeveloper

Technical setup

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Relevance AI

Business and ops teams who want custom agents without heavy engineering.

Cloud

SalesFreemiumBusiness

Moderate setup

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Frequently asked questions

What is the best AI agent that runs on API / developer?

It depends on your needs, but Aider and Browser Use are strong starting points. Compare them above on integrations, models, pricing, and setup — or take the free 2-minute selector for a match tailored to your task and budget.

Which AI agents run on API / developer?

Our directory currently lists 6 agents that run on API / developer, each with an independent verdict on what it's best and not best for.

Are there free AI agents for API / developer?

Yes — 5 of the 6 have a free tier or are open-source. Check the pricing badge on each card above.