What is the best AI coding agent for the terminal (CLI)?

Last updated

Short answer: Claude Code. It is our pick in “Best terminal / CLI coding agent”; runner-up OpenAI Codex, budget pick Gemini CLI. Claude Code pricing: Included in Claude Pro $20/mo ($17/mo annual); Max from $100/mo (5x or 20x Pro usage; Max includes $100–$200/mo API credits); Team/Enterprise available. Claude Code on all paid plans; shared usage with chat.

Preliminary · based on public info

Terminal agents read your repo, edit files and run commands from the command line. This answer comes from our terminal / CLI agent ranking.

ToolScoreWhat it isPricing
Claude Code88 (terminal / CLI coding agent)Anthropic's coding agent; runs in terminal, IDEs, desktop and web.Included in Claude Pro $20/mo ($17/mo annual); Max from $100/mo (5x or 20x Pro usage; Max includes $100–$200/mo API credits); Team/Enterprise available. Claude Code on all paid plans; shared usage with chat. Price checked 2026-10-15
OpenAI Codex84 (terminal / CLI coding agent)OpenAI's coding agent: CLI, IDE extension, cloud tasks and desktop app.Included in ChatGPT: Free $0, Go $8/mo, Plus $20/mo, Pro $100/$200/$500/mo (Ultrafast on Pro $500); Business $20/user/mo annual ($25 monthly, 2+ users). GPT-5.5 retired from Codex Oct 14, 2026 (API key sessions unaffected). Price checked 2026-10-15
Amp (Sourcegraph)74 (terminal / CLI coding agent)Agentic coding tool from Sourcegraph.Hobby free (BYOK, pay-as-you-go orbs); Individual from $20/mo (higher tiers listed); Teams no extra charge. Price checked 2026-10-14
Gemini CLI73 (terminal / CLI coding agent)Open-source terminal agent for Gemini models.Open source. Free with Google login: 1,000 requests/user/day; free Gemini API key: 250/day; Google AI Pro 1,500/day, Ultra 2,000/day; pay-as-you-go via API/Vertex. Price checked 2026-10-14
OpenCode72 (terminal / CLI coding agent)Open-source terminal coding agent.Free and open source, any provider. Optional OpenCode Zen pay-as-you-go balance (starts at $20). Price checked 2026-10-14
Aider70 (terminal / CLI coding agent)Git-aware AI pair programmer in the terminal.Free and open source (Apache 2.0); bring your own model API key or local model. Price checked 2026-10-14

Full ranking with FAQ: Best terminal / CLI coding agent.

Free PDF: the AI Coding Cost Cheat Sheet. Enter your email to download it, plus one email a week when picks or prices move.

FAQ

What is the best AI coding agent for the terminal (CLI)?

Claude Code. It is our pick in “Best terminal / CLI coding agent”; runner-up OpenAI Codex, budget pick Gemini CLI. Claude Code pricing: Included in Claude Pro $20/mo ($17/mo annual); Max from $100/mo (5x or 20x Pro usage; Max includes $100–$200/mo API credits); Team/Enterprise available. Claude Code on all paid plans; shared usage with chat.

Which tools did you compare?

Claude Code, OpenAI Codex, Amp (Sourcegraph), Gemini CLI, OpenCode, Aider.

Are these scores hands-on tested?

Mostly not. Scores are preliminary, based on vendor documentation and public reporting applied to our 100-point rubric; any hands-on runs are published with logs on the tool pages.

Do affiliate commissions affect the answer?

No. Affiliate status is never a scoring input.

Next steps

Related answers

Prices link to vendor pages; see how we score.

Free: the AI Coding Cost Cheat Sheet (PDF)

What $0, about $20 and $100+ a month gets you across 30+ AI coding tools, with prices copied from vendor pages (checked Oct 14, 2026). Enter your email to download it now. You'll also get our free weekly email: what shipped and which picks or prices moved, about a 2-minute read. Unsubscribe anytime.