A agentindex
Comparison

OpenAI Codex vs Zed (AI)

A like-for-like, spec-level comparison. Both entries are verified against their docs and repo.

OpenAI Codex

OpenAI's open-source agentic coding CLI.

  • + Open-source CLI
  • + Sandboxed command execution
  • − OpenAI models only
  • − Newer, less battle-tested than incumbents

Zed (AI)

The high-performance editor with built-in AI.

  • + Exceptional editor performance
  • + Open source editor core
  • − AGPL deters some commercial embedding
  • − AI features still maturing vs Cursor
Spec OpenAI Codex Zed (AI)
Category coding-agent coding-agent
License Apache-2.0 AGPL-3.0
Open source Yes Yes
Self-hostable No No
MCP support Yes Yes
Pricing usage freemium
Starting price Pay per token (OpenAI API) Free; BYOK for models
Models gpt claude, gpt, gemini, byok
Languages multi rust
GitHub stars 93.6k 85.9k
Last activity 2026-06-25 2026-06-25