A agentindex
Comparison

Devin vs Gemini CLI

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

Devin

Cognition's autonomous software engineer.

  • + True end-to-end autonomy
  • + No local setup
  • − Expensive and access-gated
  • − Less transparent than open alternatives

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
Spec Devin Gemini CLI
Category coding-agent coding-agent
License Proprietary Apache-2.0
Open source No Yes
Self-hostable No No
MCP support No Yes
Pricing paid freemium
Starting price $500/mo (access tier) Free tier with Gemini API
Models claude, gpt gemini
Languages multi typescript
GitHub stars — 105.5k
Last activity — 2026-06-25