Cline vs Aider

The two leading open-source, bring-your-own-key coding agents.

Side by side

	Cline	Aider
Starting price	Free (pay for model usage)	Free (pay for model usage)
Plans	Open Source: $0 · Enterprise: Custom	Open source: $0
Type	IDE extensions, Terminal agents, Open source	Terminal agents, Open source
Open source	Yes	Yes
Vendor	Cline Bot Inc.	Aider (open source)

Pick Cline if…

You prefer working inside VS Code
You want MCP Marketplace integrations
You want an actively updated project (frequent commits in Oct 2026)

Full Cline breakdown →

Pick Aider if…

You live in the terminal and want every change as a git commit
You want to run local models with minimal setup
You want voice-to-code

Full Aider breakdown →

Cline limits

You manage your own API spend, and agent loops can get expensive with frontier models
JetBrains support is Enterprise-only
Community support only on the free tier

Aider limits

No GUI; terminal only (IDE use is via code comments)
Homepage model recommendations still reference older models (Claude 3.7 Sonnet, o3-mini)
Main GitHub repo's last push was May 22, 2026, so development appears slower than rivals

FAQ

Which is cheaper, Cline or Aider?

Cline: Free (pay for model usage). Aider: Free (pay for model usage). See the plan table for full pricing, verified 2026-10-17.

Should I choose Cline or Aider?

Choose Cline if: You prefer working inside VS Code; You want MCP Marketplace integrations; You want an actively updated project (frequent commits in Oct 2026). Choose Aider if: You live in the terminal and want every change as a git commit; You want to run local models with minimal setup; You want voice-to-code.

Sources

Verified 2026-10-17.