A agentindex
Comparison

Kilo Code vs OpenAI Codex

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

Kilo Code

Open-source coding agent consolidating Cline and Roo.

  • + Unifies the Cline/Roo feature sets
  • + Fully open source
  • − New project, still proving stability
  • − VS Code only

OpenAI Codex

OpenAI's open-source agentic coding CLI.

  • + Open-source CLI
  • + Sandboxed command execution
  • − OpenAI models only
  • − Newer, less battle-tested than incumbents
Spec Kilo Code OpenAI Codex
Category coding-agent coding-agent
License Apache-2.0 Apache-2.0
Open source Yes Yes
Self-hostable Yes No
MCP support Yes Yes
Pricing free usage
Starting price BYOK usage cost Pay per token (OpenAI API)
Models claude, gpt, gemini, byok gpt
Languages typescript multi
GitHub stars 24.5k 93.6k
Last activity 2026-06-25 2026-06-25