Gemini Cli
Open-source terminal AI coding agent from Google; model access and usage limits follow the configured Gemini account/provider.
Setup: terminal
Free alternatives to Codex
Functional replacements with a real free or open-source path, described in plain terms.
Available alternatives
Qwen Code
Open-source agentic coding tool for terminal and IDE workflows; using hosted models may incur provider charges.
Setup: terminal
Goose
Open-source desktop and CLI AI agent for code and general workflows; connect a local/free model or bring a provider account/API key.
Opencode
Open-source terminal and desktop coding agent for many hosted providers and local models; model usage may cost extra.
Setup: desktop or CLI + model provider
OpenHands
Open-source software-development agent for repository tasks; requires deployment and a configured model provider or local backend.
Setup: self-host + model provider
Openinterpreter
Open-source computer-use and coding agent for local or hosted models; run it in a controlled environment and configure your own provider.
Setup: self-host + model provider