Aider alternative

The best open-source Aider alternative (2026)

In short: Aider is a mature, Python-based pair-programming CLI with deep git integration. agentty is a single native binary with millisecond startup, a sandbox by default, and the same multi-provider freedom — no Python environment to manage.

Aider pioneered terminal AI pair-programming. agentty takes the same idea and ships it as a single native binary — no Python, no virtualenv, no dependency drift.

Why look for an Aider alternative

  • You don't want to manage a Python environment (pip, venvs, version conflicts) just to run a coding agent.
  • You want millisecond startup and a tiny footprint.
  • You want shell/build commands sandboxed by default.

How agentty compares

  • Single static binary — 16.7 MB, ~3 ms cold start. No Python.
  • Multi-provider — Claude Pro/Max, OpenAI, Groq, OpenRouter, Cerebras, or local Ollama.
  • Sandboxed by default; one-command SSH air-gap.
  • Built-in retrieval (RAG) over your repo so it sends only the relevant code to the model.
  • Open source (MIT), runs in Zed over ACP, speaks MCP.

When to keep Aider

Aider has years of polish around git commit workflows and a large community. If your workflow is deeply tied to Aider's commit conventions, it's a great tool. For a faster, dependency-free, multi-provider agent, try agentty.

Install in one line

curl -fsSL https://agentty.org/install.sh | sh

Install in one line — a single static binary, no Node or Python.

curl -fsSL https://agentty.org/install.sh | sh
Get startedStar on GitHub →