What is the best free alternative to Kortix (Suna)?
AutoGPT is the closest free alternative to Kortix (Suna): same General Autonomous Agents sub-category, and it is free. Open-source platform for building and running continuous AI agents
Best free Kortix (Suna) alternatives
Looking for a free alternative to Kortix (Suna)? Here are 9 general autonomous agents worth trying — 8 with a free tier. Kortix (Suna) itself is free.
| Tool | Kortix (Suna) (you searched) | AutoGPT | Manus | Genspark |
|---|---|---|---|---|
| Pricing | free | free | freemium | freemium |
| Best for | Open-source agent platform (formerly Suna) that runs specialist agents on isolated cloud computers | Open-source platform for building and running continuous AI agents | Fully autonomous agent in a cloud sandbox | 'Super agent' that plans and executes end-to-end |
| Visit | Open ↗ | Open ↗ | Open ↗ | Open ↗ |
Kortix (Suna) alternatives — straight answers
Are there free Kortix (Suna) alternatives?
Yes — 8 of the 9 alternatives listed here are free or freemium: AutoGPT, Manus, Genspark, MiniMax Agent, Flowith. The other 1 are trial or paid.
Is Kortix (Suna) free?
Kortix (Suna) is free. There is no paid plan attached to it in the catalog.
How were these Kortix (Suna) 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 Kortix (Suna) alternatives
Browse General Autonomous Agents →AutoGPT
General Autonomous Agents
✦ WhyA Kortix (Suna) alternative — Open-source platform for building and running continuous AI agents.
- Open-source platform for building and running continuous AI agents
- Low-code builder for agent workflows
- Self-host free
- One of the most starred AI repos
Manus
General Autonomous Agents
✦ WhyA Kortix (Suna) 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
Genspark
General Autonomous Agents
✦ WhyA Kortix (Suna) 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
MiniMax Agent
General Autonomous Agents
✦ WhyA Kortix (Suna) 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 M3-series multimodal agentic models
- Free daily credits; paid credit plans for heavier use
Flowith
General Autonomous Agents
✦ WhyA Kortix (Suna) 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
Skywork AI
General Autonomous Agents
✦ WhyA Kortix (Suna) 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
Ninja AI (NinjaTech)
General Autonomous Agents
✦ WhyA Kortix (Suna) alternative — SuperNinja: autonomous agent running on its own dedicated VM for coding, research, website building.
- SuperNinja: autonomous agent running on its own dedicated VM for coding, research, website building
- Bundles multiple frontier models behind one subscription with 'Inference Level Optimization'
- Single agent spans coding, document analysis, and content generation tasks
HyperWrite AI Agent
General Autonomous Agents
✦ WhyA Kortix (Suna) alternative — Browser-native personal agent that books, emails, and researches inside your existing tabs.
- Browser-native personal agent that books, emails, and researches inside your existing tabs
- Free tier confirmed live plus paid upgrade for higher-volume agent tasks
- Long-running writing-assistant product line (from OthersideAI) now extended into full agentic tasks
ChatGPT Agent
General Autonomous Agents
✦ WhyA Kortix (Suna) alternative — Operates its own virtual computer in the cloud.
- Operates its own virtual computer in the cloud
- Browses, books, fills forms and codes
- Connectors to apps and files
- Bundled with paid ChatGPT plans