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AI coding agent comparisons
Honest comparisons with the tools you are probably weighing up, including where they are ahead.
Best AI coding agents The best AI coding agents in November 2026, ranked by stated criteria: benchmark results, model choice, Windows support and cost model, with a pick for each need.
Open source AI agents The open source AI agents worth running in 2026: goose, OpenCode, Hermes Agent, Agent Zero, OpenHands and more, with license, interface and maintainer checked.
Open source AI coding agents Every notable open source AI coding agent with its license, interface and models, checked November 2026, plus what open source does and doesn't get you.
Harness comparison AI coding harness comparison for November 2026: license, models, subscription sign-in, local models, Windows, permissions and sandbox for 16 coding agents.
vs Cursor Looking for a Cursor alternative? The usual reasons people leave, which settings help first, the main options by need, and who is better off staying with Cursor.
vs Claude Code Looking for a Claude Code alternative? Why people switch, what to try for other models or open source, who should stay, and how to move your setup over.
Codex alternative Looking for a Codex alternative? The real reasons people leave Codex, what to fix first, open-source and other options by need, and who should stay with Codex.
vs GitHub Copilot Looking for a GitHub Copilot alternative? What changed with AI Credits, what to try first inside Copilot, the main alternatives, and who should stay on Copilot.
vs Cline Looking for a Cline alternative? Why people move on, which settings fix it without switching, the main options, and how command approval differs in Contenox.
Google Antigravity Google Antigravity explained: the IDE, the agy CLI that replaced Gemini CLI, the 2.0 app for parallel agents, which plans work, permissions, sandbox, alternatives.
IBM Bob IBM Bob is IBM's enterprise AI coding agent: an IDE and terminal tool that route each task between Claude, Mistral and Granite, on IBM's cloud or on-premises.
Kilo Code Kilo Code is an open-source AI coding agent for VS Code, JetBrains and the terminal, owned by Anaconda since July 2026, with a gateway to hundreds of models.
vs Aider Looking for an Aider alternative? Which tool fits each reason people leave Aider, what you would lose, who should stay, and how to move to a desktop app.
Qwen Code Qwen Code is Alibaba's open-source coding agent. Install it, see its sign-in options after Qwen OAuth ended, what it lacks, and which agents run Qwen models instead.