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Gemini CLI Alternatives

9 alternatives to Gemini CLI — free and paid AI coding tools covering similar jobs, with pricing and standout strengths.

Full comparison: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

Looking for a Gemini CLI alternative? Gemini CLI is listed under CLI (open source). The 9 tools below cover similar jobs, closest matches first — the table compares pricing, license, and platforms so you can shortlist quickly, and each entry further down adds a fuller summary and a link to the full profile.

ToolPricingLicensePlatformsCategory
Aideropen source——CLI
Claude Codepaid——CLI
Codex CLIopen source——CLI
Opencodeopen sourceMITmacOS, Windows, LinuxCLI
Gooseopen source——Agent
CrushfreeFSL-1.1-MITmacOS, Windows, Linux, AndroidCLI
Qwen Codeopen sourceApache-2.0macOS, Windows, LinuxCLI
Google Antigravityfreemium—macOS, Windows, LinuxIDE
Warpfreemium——Terminal

Free and open-source alternatives to Gemini CLI

Gemini CLI alternatives in detail

  1. Aider

    open sourceCLI

    Aider is an open-source (Apache-2.0) command-line tool for AI pair programming. Run it inside a Git repository, describe a change in plain language, and it edits files on disk and commits each step with a descriptive message. Model-agnostic: bring your own API key for Claude, GPT, and others; a repo map gives the model context in large codebases.

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  2. Claude Code

    paidCLI

    Claude Code is Anthropic's official agentic coding tool for the terminal, IDE (VS Code, JetBrains), and web. It works as an agent rather than autocomplete: it reads your codebase, plans changes, edits files, runs commands, and iterates against test or build feedback. Extensible via MCP servers, slash commands, subagents, and hooks; requires a paid plan.

    Read: Claude Code vs Gemini CLI: Which Terminal Agent (2026)

    Read: Claude vs GPT vs Gemini for Coding in 2026

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  3. Codex CLI

    open sourceCLI

    Codex CLI is OpenAI's open-source (Apache-2.0) terminal coding agent: it reads files, edits them on disk, and runs shell commands in an OS-level sandbox with network off by default and, in trusted folders, workspace-scoped writes. Sandbox modes and approval policies control what it can do and when it must ask; sign in with a ChatGPT plan or API key.

    Read: Claude vs GPT vs Gemini for Coding in 2026

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  4. Opencode

    open sourceMITmacOS, Windows, LinuxCLI

    OpenCode is the most-starred open-source coding agent (~206k GitHub stars by September 2026) — a terminal TUI from Anomaly (formerly SST) that works with 75+ model providers including local ones, loads language servers for code intelligence, runs parallel sessions, and shares them via links. MIT-licensed; bring your own keys or use the optional Zen gateway.

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  5. Goose

    open sourceAgent

    Goose is an open-source (Apache-2.0), general-purpose AI agent that runs entirely on your machine — it executes shell commands, edits files, runs tests, and chains multi-step tasks. MCP-native with 70+ documented extensions and model-agnostic across 15+ providers including local models, it ships as a Rust CLI and a desktop app for macOS, Linux, and Windows.

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  6. Crush

    freeFSL-1.1-MITmacOS, Windows, Linux, AndroidCLI

    Crush is Charm's free terminal coding agent. It continues opencode-ai/opencode (archived; last push September 2025), not today's OpenCode. It runs nearly any model, including local ones, switches models mid-session and adds LSP context, MCP and Agent Skills. It is source-available under FSL-1.1-MIT, not OSI open source; releases turn MIT after two years.

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  7. Qwen Code

    open sourceApache-2.0macOS, Windows, LinuxCLI

    Qwen Code is the Qwen team's free, Apache-2.0 coding agent, originally forked from Gemini CLI. It speaks OpenAI, Anthropic, Gemini and Qwen APIs, runs local models via Ollama or vLLM, and ships subagents, hooks, MCP and plan mode. The free Qwen OAuth quota ended April 15, 2026, so bring an API key, an Alibaba Cloud plan or a local model.

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  8. Google Antigravity

    freemiummacOS, Windows, LinuxIDE

    Google Antigravity is Google's agentic development platform: an agent-first IDE plus a Manager surface that oversees multiple agents across editor, terminal, and browser. It launched with Gemini 3 in November 2025; I/O 2026 added a desktop app, CLI, and SDK. Its free Individual plan is generally available; it replaced Gemini CLI's free tier in June 2026.

    Read: Claude vs GPT vs Gemini for Coding in 2026

    Read: AI Coding Agents in 2026: The Open-Source & CLI Edition

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)

  9. Warp

    freemiumTerminal

    Warp is an AI-powered terminal whose agent can plan, run, and chain commands while you approve what executes. Output is grouped into navigable blocks, workflows share vetted commands, and the agent grounds itself in your indexed codebase. A standalone Warp Agent CLI followed in August 2026. The client is open source (mostly AGPL-3.0), with a free tier.

    Read: The Best Claude Code Alternatives in 2026 (Free, Open-Source, and Paid)