Best free Ninja AI (NinjaTech) alternatives

Looking for a free alternative to Ninja AI (NinjaTech)? Here are 9 general autonomous agents worth trying — 9 with a free tier. Ninja AI (NinjaTech) itself is free tier + paid.

ToolNinja AI (NinjaTech) (you searched)Zhipu AutoGLMManusPerplexity Comet
Pricingfreemiumfreefreemiumfreemium
Best forSuperNinja: autonomous agent running on its own dedicated VM for coding, research, website buildingFree foundation-agent system for autonomous GUI control (web + Android)Fully autonomous agent in a cloud sandboxAI-native browser with a built-in agent
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Ninja AI (NinjaTech) alternatives — straight answers

What is the best free alternative to Ninja AI (NinjaTech)?

Zhipu AutoGLM is the closest free alternative to Ninja AI (NinjaTech): same General Autonomous Agents sub-category, and it is free. Free foundation-agent system for autonomous GUI control (web + Android)

Are there free Ninja AI (NinjaTech) alternatives?

Yes — 9 of the 9 alternatives listed here are free or freemium: Zhipu AutoGLM, Manus, Perplexity Comet, Genspark, Coze Space. None of them are paid-only.

Is Ninja AI (NinjaTech) free?

Ninja AI (NinjaTech) is free tier + paid. There is a free tier you can work in, with paid plans above it.

How were these Ninja AI (NinjaTech) alternatives chosen?

They are the other tools in General Autonomous Agents, then the rest of AI Agents & Automation, ordered free tiers first and capped at 9. There is no sponsorship and no paid placement in that ordering — only the pricing tier decides.

All Ninja AI (NinjaTech) alternatives

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Zhipu AutoGLM

General Autonomous Agents
free

✦ WhyA Ninja AI (NinjaTech) alternative — Free foundation-agent system for autonomous GUI control (web + Android).

  • Free foundation-agent system for autonomous GUI control (web + Android)
  • Voice-to-action: controls entire web/phone UI from a spoken instruction
  • AutoGLM Rumination adds deep-research style multi-step task execution
Visit

Manus

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — Fully autonomous agent in a cloud sandbox.

  • Fully autonomous agent in a cloud sandbox
  • Breaks goals into steps and executes them
  • Web research, code execution and file output
  • 'My Computer' desktop environment
Visit

Perplexity Comet

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — AI-native browser with a built-in agent.

  • AI-native browser with a built-in agent
  • Automates browsing, research and tasks
  • Routes subtasks to the best model
  • Cited answers as you browse
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Genspark

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — 'Super agent' that plans and executes end-to-end.

  • 'Super agent' that plans and executes end-to-end
  • Generates sheets, slides and even phone calls
  • Mixes multiple models and tools
  • Free daily credits
Visit

Coze Space

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — ByteDance's general-purpose office agent that breaks tasks into sub-tasks and drives a browser/code editor autonomously.

  • ByteDance's general-purpose office agent that breaks tasks into sub-tasks and drives a browser/code editor autonomously
  • Outputs deliverables as web pages, PPTs or Lark docs
  • Part of the Coze suite (Space/Studio/Loop/Eino) with an open-source Coze Studio component
Visit

MiniMax Agent

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — General-purpose autonomous agent from MiniMax, separate from its Hailuo video product.

  • General-purpose autonomous agent from MiniMax, separate from its Hailuo video product
  • Built on MiniMax's own M-series reasoning/agentic models
  • Consumer credit-subscription model distinct from the raw API pricing
Visit

Flowith

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — Infinite-canvas workspace where every prompt/output is a branchable, reusable node.

  • Infinite-canvas workspace where every prompt/output is a branchable, reusable node
  • Agent Neo: autonomous agent that runs long tasks in the background 24/7
  • Free Starter plan with one-time credits granting access to frontier models (Opus, GPT, Gemini) and Agent Neo
Visit

Convergence Proxy

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — Free daily session quota; Pro lifts it to unlimited and adds parallel runs.

  • Free daily session quota; Pro lifts it to unlimited and adds parallel runs
  • Open-weights Proxy Lite version available on GitHub for self-hosting
  • Learns and adapts to user preferences across repeated web-automation tasks
Visit

Skywork AI

General Autonomous Agents
freemium

✦ WhyA Ninja AI (NinjaTech) alternative — Five specialized agents for docs, sheets, slides, podcasts and web content in one workspace.

  • Five specialized agents for docs, sheets, slides, podcasts and web content in one workspace
  • DeepResearch-powered output generation across formats
  • Free tier available alongside paid workspace plans
Visit

Ninja AI (NinjaTech) head-to-head

Ninja AI (NinjaTech) vs Zhipu AutoGLMNinja AI (NinjaTech) vs ManusNinja AI (NinjaTech) vs Perplexity CometNinja AI (NinjaTech) vs GensparkNinja AI (NinjaTech) vs Coze SpaceNinja AI (NinjaTech) vs MiniMax AgentNinja AI (NinjaTech) vs FlowithNinja AI (NinjaTech) vs Convergence Proxy