A agentindex
Comparison

Gemini CLI vs Roo Code

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

Gemini CLI

Google's open-source terminal agent for Gemini.

  • + Open source and free to start
  • + Tight Gemini grounding (search, docs)
  • − Gemini models only
  • − Newer than incumbents

Roo Code

A community fork of Cline with extra modes.

  • + Richer mode set than Cline
  • + Active community development
  • − Fragmentation risk from forking
  • − VS Code only
Spec Gemini CLI Roo Code
Category coding-agent coding-agent
License Apache-2.0 Apache-2.0
Open source Yes Yes
Self-hostable No Yes
MCP support Yes Yes
Pricing freemium free
Starting price Free tier with Gemini API BYOK usage cost
Models gemini claude, gpt, gemini, byok
Languages typescript typescript
GitHub stars 105.5k 24.3k
Last activity 2026-06-25 2026-05-15