Eric Tech Circle

Oct 12, 2026 · Artificial Intelligence

Four AI Coding Agents Compared: Open Source Wins After Privacy Scandals

After closed-source tools Grok Build and ZCode were caught uploading user code without consent, the author evaluates four open-source AI coding agents—Codex CLI, Pi Agent, OpenCode, and DeepSeek Harness—comparing their licensing, model flexibility, token costs, speed, and fit for different developer workflows.