An in-depth comparison of Gemini CLI and OpenCode across output quality, autonomy, reliability, speed, value, and ease of use. Vote for your favorite.
Pick a winner in each category — you can change your vote anytime. 2 votes cast so far.
Choose Gemini CLI if you are developers who want frontier-agent capability with huge context at zero cost. Choose OpenCode if you are terminal users who want a polished AI coding interface with LSP support.
In our editorial scoring, Gemini CLI leads in 2 of six categories (speed and value), while OpenCode leads in 0. On price, Gemini CLI runs generous free tier / gemini api and is open source; OpenCode runs free (byo api key) / pro via standard compute and is open source.
Across 2 community votes on this matchup, OpenCode currently leads in 1 of six categories. Cast your own vote above to move the needle.
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Weighing the cost of running it? Compare API plans for OpenCode
Gemini CLI is Google's open-source AI agent for the terminal. Its standout traits are a 1M-token context window that can hold entire codebases and a free tier generous enough for real daily work with just a personal Google account. It supports MCP servers, Google Search grounding, and shell command execution in an agentic loop.
OpenCode is an open-source terminal AI coding agent with a beautiful TUI (text user interface). It supports multiple LLM providers, has LSP integration for intelligent code understanding, and offers session management for long-running tasks. Designed for developers who live in the terminal.
OpenCode runs on Standard Compute