Gemini CLI vs OpenCode

as AI assistants see them, week of 2026-10-12

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Gemini CLI and OpenCode land close together, with overall scores of 6 and 5 out of 100 and each named in 7 of 70 answers. Gemini CLI does best on terminal-focused questions, named in 2 of 3 answers for "best AI coding assistant that works in the terminal," while OpenCode leans open-source and free, named in 2 of 3 answers for "best open-source AI coding assistant" and 2 of 4 for "best free AI coding assistants." Head-to-head, Gemini CLI was named more often in 3 questions, OpenCode in 2, and they tied in 15. Neither appears for reliability, privacy, testing, or beginner-focused questions.

Head to head

metric	Gemini CLI	OpenCode
score	5	5
questions won	10	7

By assistant

Gemini CLI

assistant	score	named in, this week	usual spot, this week
ChatGPT	3	0% of answers
Claude	15	25% of answers	#6.4
Gemini	0	0% of answers
Perplexity	0	0% of answers

OpenCode

assistant	score	named in, this week	usual spot, this week
ChatGPT	11	15% of answers	#3.3
Claude	3	5% of answers	#5.0
Gemini	0	0% of answers
Perplexity	6	5% of answers	#1.0

Where they differ

Only Gemini CLI gets named for

What's the best AI code editor right now?
What are the best alternatives to Windsurf?
What are the best free AI coding assistants?
Which AI coding assistant is best for professional developers?
What are the best alternatives to GitHub Copilot?

Only OpenCode gets named for

What's the best AI coding assistant that works in the terminal?
What are the best AI coding agents that can work across a whole codebase?

More comparisons

Not sold on either?

Scores count how often each assistant names a product, weighted by position. How the score works · Full AI coding assistants leaderboard