AI Coding Agent Comparison · 2026

Cline vs Roo Code

Cline (AI IDE, Free (open source) + API costs) vs Roo Code (AI IDE, Free (open source) + API costs): pricing, models, open-source status, benchmarks, and best use cases. See which AI coding agent is right for your workflow.

Cline

Community · AI IDE
open source
Free (open source) + API costs

Roo Code

Community · AI IDE
open source
Free (open source) + API costs
ComparisonClineRoo Code
CategoryAI IDEAI IDE
TypeVS Code extensionVS Code extension
VendorCommunityCommunity
PricingFree (open source) + API costsFree (open source) + API costs
Open sourceYesYes
ModelsAny (Claude, GPT, Gemini, local models)Any (Claude, GPT, Gemini, local models)
BenchmarksNot publishedNot published
Best forVS Code users who want a free, open-source agentic extensionVS Code users wanting Cline-style agents with more customization

Cline is open source and best for vs code users who want a free, open-source agentic extension. Open-source autonomous coding extension for VS Code. Reads files, runs terminal commands, and edits code within your existing editor setup.

Roo Code is open source and best for vs code users wanting cline-style agents with more customization. Community fork of Cline with custom modes, orchestration, and workflow features. Open-source VS Code extension supporting any model.

Both tools are part of the 2026 AI coding agent landscape. The right choice depends on whether you need a AI IDE or a AI IDE, your budget, and which models you prefer. See the full list of coding agents on our coding agents page to compare more options.