Alternatives

Products that do what OpenAI Agents SDK does

Build production agents with harness and sandbox

1. 1
   HarnessRouter▲238

   Bring the world's best AI agents into your app, with one API

   Jul 2026 · harnessrouter.ai

2. 2
   CreateOS Sandbox▲153

   Instant, hardware Isolated Sandboxes for AI agents

   Jul 2026 · createos.sh

3. 3
   Temporal + OpenAI Agents SDK▲130

   Build production-ready agents, fast.

   2025

4. 4
   Open Agents▲161

   Agents that ship real code

   Apr 2026

5. 5
   VibeKit▲139

   Run coding agents in a secure sandbox

   2025

6. 6
   OpenMolt▲132

   Let your code create and manage AI Agents (OpenSource)

   Mar 2026

7. 7
   DeepSeek Harness▲169

   Composable agent harness where everything is a plugin

   23d ago · github.com

8. 8
   OpenAI Responses API and Agents SDK▲190

   New tools for building agents and tools

   2025

9. 9
   OneCLI▲143

   Give every employee a secured, sandboxed pro assistant agent

   16d ago · onecli.sh

10. 10
    Factory▲168

    Agent-native development on Web, IDE, CLI, Slack and mobile

    Sep 2025

11. 11
    21st Agents SDK▲213

    SDK to add an Claude Code AI agent to your app

    Mar 2026

12. 12
    VEXI▲94

    Open-source AI coding agent for your terminal

    Jun 2026

13. 13
    Remote OpenClaw▲81

    13,000+ MCP servers, skills & plugins for AI coding agents

    Jul 2026 · codexmarketplaces.com

14. 14
    AnyFrame▲96

    Sandboxes for your AI agents

    May 2026

15. 15
    Agent Sandbox▲97

    Your agent's personal remote computer and drive

    Feb 2026

16. 16
    Ycode AI Agents▲161

    Build websites with AI

    Jul 2026 · ycode.com

17. 17
    npm i -g hotcell▲97

    Local sandboxes for AI agents on your Mac, Linux, bare metal

    Aug 2026 · github.com

18. 18
    Agent Development Kit▲140

    Build multi-agent systems with Google's open framework

    2025

19. 19
    OpenBox▲171

    See, verify, and govern every agent action.

    Apr 2026

20. 20
    Cline SDK▲120

    Build coding agents with a plugin-based open-source runtime

    May 2026

21. 21
    Foglamp▲101

    Ship AI agents you can actually see

    Jun 2026

22. 22
    Cloudways Managed AI Agents▲84

    Skip the setup and run OpenClaw & Hermes, fully managed

    17d ago · cloudways.com

23. 23
    UTCP Agent▲124

    Build tool-calling agents in 4 lines of code

    2025

24. 24
    OpenHands Software Agent SDK▲21

    The open platform for cloud coding agents.

    Dec 2025

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