Open-source alternatives to Claude Code

Free terminal access to multiple coding agents and models. — Use Claude Code, Codex, VSCode, Pi, and OpenCode (and 6 other harnesses) for free (1.3B+ free tokens) from your terminal, app, IDE, or phone, and now from the browser with native browser sessions (multi-harness + multi-model) like OpenClaw (voice supported + ToS friendly)

↔ alternative to Claude Code

A runnable, open-source recreation of Claude Code. — 原汁原昧 Claude Code 可运行,可构建, 可调试版; 生产级工程化, 企业级可靠性; 安全无毒, 内存泄露修复

↔ alternative to Claude Code

High-performance coding agent harness in Rust — High performance coding agent harness written in Rust, built for heavy multi-agent dev workflows

↔ alternative to Claude Code

AI coding agent that runs in your terminal — Kimi Code CLI — The Starting Point for Next-Gen Agents

↔ alternative to Claude Code

AI coding assistant embedded in your terminal. — iFlow cli is a comprehensive command-line intelligence that embeds in your terminal, analyzes your repositories, does coding tasks, interprets your needs across contexts, and boosts efficiency by performing tasks from simple file operations to complex workflow automation.

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Terminal-based coding agent harness. — Gajae Code MVP

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Terminal coding agent with multi-model orchestration. — Terminal coding agent powered by Kimchi's multi-model orchestration

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Run Claude Code's agent loop with cheaper backends. — Use Claude Code's autonomous agent loop with DeepSeek V4 Pro, OpenRouter, or any Anthropic-compatible backend. Same UX, 17x cheaper.

↔ alternative to Claude Code

Terminal coding agent powered by MiniMax — An open-source coding agent for your terminal, powered by MiniMax.

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Open-source AI coding agent for the terminal — Open Source ClaudeCode Leaked. Same functionalities as Claude Code by Anthropic. Written in Rust, Ready to use immediately for free.

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Terminal and desktop coding agent runtime. — 天枢harness是一个的终端编程智能体，它要回答的核心问题是：模型何以稳定地交付——目标不漂移、完成有证据、验证有闭环，不说"应该修好了"。为此它在模型与真实世界之间建立一层认知执行环境（CVM），把目标、状态、证据、资源、权限与终止条件从对话历史中外部化，由运行时持续管理。同时对deepseek v4极度优化。

↔ alternative to Claude Code

Terminal coding agent with sandboxing and MCP support. — Production-ready open source terminal coding agent with readable, layered code: permission rules, OS sandboxing, MCP, skills, sub-agents, and Anthropic, OpenAI-compatible, Gemini, or local models.

↔ alternative to Claude Code