Amazon Q Developer vs Gemini CLI: Side-by-Side Comparison 2026

Amazon Q Developer is an editor extension from Amazon (AWS) — ai coding assistant built for aws developers. Gemini CLI is a CLI-based coding agent from Google — open-source ai agent for your terminal.

Amazon Q Developer

Amazon Q Developer — AI Code Assistant from Amazon (AWS). IDE Integration.

✓ Code completions
✓ AI chat
✓ Agentic mode
✓ Multi-file editing
✓ Terminal commands

Free / $19/mo · 2 plans

Gemini CLI

Open-source AI agent that runs in your terminal. Uses a ReAct loop with built-in tools for file operations, shell commands, web search, and MCP server support. Free with generous daily limits.

✓ ReAct agentic loop
✓ File operations and shell commands
✓ Web search grounding
✓ MCP server support
✓ 1M token context window

Free / $19.99/mo · 4 plans

Feature	Amazon Q Developer	Gemini CLI
Category	Extension	CLI
Starting Price	Free	Free
Model Family	Multi-model	Gemini
Documentation	✓	—
Open Source	No	Yes (Apache 2.0)

Key Differences

Category: Amazon Q Developer is an editor extension; Gemini CLI is a CLI-based coding agent.
Starting price: Amazon Q Developer starts at $19/mo; Gemini CLI starts at $19.99/mo.
Model family: Amazon Q Developer uses Multi-model; Gemini CLI uses Gemini.
Open source: Amazon Q Developer: No. Gemini CLI: Yes (Apache 2.0).
Bring your own key: Gemini CLI supports BYOK; Amazon Q Developer does not.
Platforms: Amazon Q Developer runs on Desktop, Web; Gemini CLI runs on Linux, Windows, macOS.
Provider: Amazon Q Developer is built by Amazon (AWS); Gemini CLI is built by Google.

Which Should You Choose?

Choose Amazon Q Developer if you want AWS-integrated coding with deep cloud service understanding. Choose Gemini CLI if you want AI pair programming directly in your terminal. Read our full reviews to see which fits your workflow.