Codex is OpenAI's coding agent for software development across the Codex app, editor, terminal, and cloud tasks. It helps write, review, debug, refactor, and automate code, with ChatGPT plan access for managed surfaces and API-key usage for CLI, SDK, and IDE workflows. The open-source CLI and SDK support local repository work, while cloud features add GitHub review, Slack/Linear integrations, worktrees, skills, MCP, and automations.
Alternatives to GitHub Copilot CLI
3 editor-selected alternatives · GitHub Copilot CLI overview →
source: tools.alternatives · stored order · active records only; review scores are annotations and never change membership or order
A directional evidence panel appears only when the substitute rationale, trade-offs, sources, and verification date have been recorded. Older selections without that panel remain visible but are unclassified under the new evidence contract.
Amp is a multi-model coding agent for terminal, web, macOS/iOS, and IDE-connected workflows. Vendor docs describe the same agent and threads across surfaces, with remote Orbs, local Runners, Dial modes (low / medium / high / ultra), shared threads, MCP, plugins, and BYOK / linked ChatGPT subscriptions. Pricing spans a free Hobby tier, optional Megawatt ($20/mo) and Gigawatt ($200/mo) Individual plans, no-extra-charge Teams workspaces, pay-as-you-go credits, and Enterprise.
Open-source terminal-based AI coding agent built in Go by the SST team, with a rich TUI (Bubble Tea) supporting 75+ model providers including OpenAI, Anthropic, Gemini, Bedrock, Groq, and OpenRouter. Features vim-like editing, persistent SQLite sessions, and LSP integration for 40+ languages. Fully free with no vendor lock-in, it has rapidly grown to 95k+ GitHub stars.
Open-source GitHub Copilot CLI alternatives
OpenCode — see all open-source developer tools.
Free GitHub Copilot CLI alternatives
Amp offer a free plan or free tier.
More Terminal & CLI Tools tools
same category, not editor-selected alternatives — see how GitHub Copilot CLI compares →
GitHub Copilot CLI head-to-head
FAQ
Which GitHub Copilot CLI alternative is listed first?
Codex is first in the editor-selected list of 3 GitHub Copilot CLI alternatives and carries an editorial review score of 80/100. The stored order is editorial; review scores do not determine membership or position.
Are there open-source GitHub Copilot CLI alternatives?
Yes — OpenCode are open source.
Are there free GitHub Copilot CLI alternatives?
Yes — Amp offer a free plan or free tier.