AI agents tools

How to choose

• If you want to write code with an AI agent: Cursor — watch out: pricing page now bundles Cursor with Grok/X subscription tiers, which can be confusing.
• If you want to autocomplete code: GitHub Copilot — watch out: best value if your code already lives on GitHub.
• If you want to agentic coding in the terminal: Claude Code — watch out: usage limits depend on plan.
• If you want to delegate engineering tasks to a cloud agent: Devin (incl. Devin Desktop, formerly Windsurf) — watch out: free quota is light.
• If you want to open-source coding agent in VS Code: Cline — watch out: you pay model inference costs directly.
• If you want to cloud coding agents: OpenAI Codex — watch out: usage tied to ChatGPT plan limits.
• If you want to build an app with an AI agent: Replit — watch out: agent output is probabilistic (stated on page).
• If you want to build stateful AI agents: LangGraph — watch out: requires coding.
• If you want to multi-agent workflows: CrewAI — watch out: enterprise pricing not published.
• If you want to build agents in Python: OpenAI Agents SDK — watch out: you pay API usage.
• If you want to automate workflows with AI: n8n — watch out: cloud prices in EUR.
• Starting free: Cursor, GitHub Copilot, Devin (incl. Devin Desktop, formerly Windsurf), Cline, LangGraph, CrewAI, OpenAI Agents SDK list a free tier or open-source option.
• Paid or trial only: Claude Code, OpenAI Codex, Replit, n8n — compare the pricing sources below before committing.

Tools and verdicts

1. Cursor Free tier

   A strong default AI code editor for builders who want an agent in their IDE.

   Pricing: Free tier; paid tiers listed at $8, $30, $100 and $200/month; Teams from $30/user/month; Enterprise custom. Source, checked 2026-10-14.

2. GitHub Copilot Free tier

   The low-friction pick if you already use GitHub.

   Pricing: Free; Pro $10/mo; Pro+ $39/mo; Max $100/mo (per plans page). Source, checked 2026-10-14.

3. Claude Code Paid

   A top choice for terminal-comfortable builders who want an autonomous coding agent.

   Pricing: Included with Claude Pro ($17/mo annual, $20 monthly) and Max (from $100/mo); API usage billed separately. Source, checked 2026-10-14.

4. Devin (incl. Devin Desktop, formerly Windsurf) Free tier

   Worth a look if you want to hand off whole tasks to autonomous agents.

   Pricing: Free; Pro $20/mo; Max $200/mo; Teams $80/mo + $40/mo per full member; Enterprise custom. Source, checked 2026-10-14.

5. Cline Open source

   Best for builders who want an open, model-agnostic agent and control over costs.

   Pricing: Free open-source extension; pay only for AI inference (BYOK or Cline provider); Enterprise custom. Source, checked 2026-10-14.

6. OpenAI Codex Paid

   A strong pick if you already pay for ChatGPT.

   Pricing: Included with ChatGPT Plus ($20), Pro ($100), Business ($20/seat, 2+ seats annual) per Codex page. Source, checked 2026-10-14.

7. Replit Paid

   A solid all-in-one for building and hosting apps with an agent.

   Pricing: Core $20/mo ($18 annual) incl. $20 model credit; higher tier $100/mo ($90 annual); Enterprise custom. Source, checked 2026-10-14.

8. LangGraph Open source

   A top pick for developers building reliable custom agents.

   Pricing: Framework open source; LangSmith Developer $0/seat, Plus $39/seat + pay-as-you-go; Enterprise custom. Source, checked 2026-10-14.

9. CrewAI Free tier

   Good for prototyping multi-agent teams quickly.

   Pricing: Basic: Free; Enterprise: custom (per pricing page). Source, checked 2026-10-14.

10. OpenAI Agents SDK Open source

    A simple, minimal starting point for code-first agents.

    Pricing: SDK is free/open source; model usage billed per OpenAI API pricing. Source, checked 2026-10-14.

11. n8n Paid

    The flexible automation pick for technical builders.

    Pricing: Starter €20/mo, Pro €50/mo, Business €667/mo (billed annually); Community Edition self-hosted free. Source, checked 2026-10-14.

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