Best open-source AI coding assistants (2026)
We list 14 tools here. We verified pricing for 13; 13 of those have a free plan, and the lowest published paid entry price is OpenCode at $10/month. Data checked Oct 26, 2026 on each vendor's own site.
How this list is built: Tools the vendor describes as open source (licence shown where we checked it). Listed A–Z by name. Membership comes from our category, verified pricing or a phrase on the vendor's own page. No vendor pays for placement.
| Tool | Type | Free plan | Paid from | Vendor site |
|---|---|---|---|---|
| Aider | CLI coding agents | Yes | Free | Visit |
| Cline | IDE agent extensions | Yes | Free | Visit |
| ContinueAcquired | IDE agent extensions | Yes | Free | Visit |
| Dyad | AI app builders | Yes | $20/mo | Visit |
| goose | CLI coding agents | Yes | Free | Visit |
| Kilo Code | IDE agent extensions | Yes | $15/mo | Visit |
| OpenCode | CLI coding agents | Yes | $10/mo | Visit |
| OpenHands | Autonomous coding agents | Yes | $499/mo | Visit |
| Qwen Code | CLI coding agents | Yes | Free | Visit |
| Refact.aiService changed | IDE agent extensions | Not verified yet | Not verified yet | Visit |
| Tabby | IDE assistants | Yes | $19/mo | Visit |
| Void | AI IDEs | Yes | Free | Visit |
| Warp | CLI coding agents | Yes | $18/mo | Visit |
| Zed | AI IDEs | Yes | $10/mo | Visit |
FAQ
Which open-source AI coding assistants have a free plan?
Of the 13 open-source AI coding assistants whose pricing we have verified, 13 have a free plan: Aider, Cline, Continue, Dyad, goose, Kilo Code, OpenCode, OpenHands, Qwen Code, Tabby and 3 more. We have not verified the other 1 yet.
What is the cheapest paid plan among these open-source AI coding assistants?
Among verified tools, the lowest published paid price is OpenCode at $10/month, then Zed at $10/month. Prices are from each vendor's own pricing page.
How are these 14 open-source AI coding assistants ordered?
Alphabetically by name (A–Z). Membership comes from our category, verified pricing or a phrase on the vendor's own page. No vendor pays for placement or for a better position.