Terminal coding agents

Agents that work in your terminal and repo. 5 tools, prices verified 28 Oct 2026.

Aider

Open-source AI pair programming in your terminal.

Terminal coding agentsFree & open sourceFree
Claude Code

Anthropic's agentic coding tool, included in paid Claude plans and sharing their usage limits across the terminal and chat.

Terminal coding agentsNo free planfrom US$20/mo
Gemini CLI

Open-source AI agent that brings Gemini into your terminal.

Terminal coding agentsFree & open sourceFree
OpenAI Codex

OpenAI's coding agent (CLI, desktop app and cloud), included in ChatGPT plans; the CLI is open source.

Terminal coding agentsFree planfrom US$8/mo
OpenCode

Open-source AI coding agent for the terminal, IDE or desktop; free to use, ships with free models, and connects to any provider.

Terminal coding agentsFree & open sourceFree