Head to head
OpenAI's coding agent with CLI, IDE, and cloud modes — the fastest-growing challenger on the leaderboard. Versus: the open-source terminal agent for people who want Claude Code ergonomics without the lock-in. Below: how they compare on the facts, and on real usage from ccusage data submitted to the leaderboard.
| OpenAI Codex | OpenCode | |
|---|---|---|
| Maker | OpenAI | Open source (SST) |
| Pricing | Included with ChatGPT paid plans, or pay-as-you-go via the OpenAI API | Free and open source — bring your own model subscription or API key |
| Models | OpenAI GPT-5 era Codex models | Any provider (Anthropic, OpenAI, Google, local models) |
| Devs on board | 283 | 103 |
| Top spender | $208,978 · 268.5B tokens | $208,978 · 268.5B tokens |
Where do you land?
One command reads your local OpenAI Codex and OpenCode logs and puts your real usage on the board — code and prompts never leave your machine.
npx viberank-cliOn the Viberank leaderboard, OpenAI Codex currently has more developers submitting real usage data (283 vs 103). Adoption shifts monthly — the numbers on this page update from live ccusage submissions.
OpenAI Codex: Included with ChatGPT paid plans, or pay-as-you-go via the OpenAI API. OpenCode: Free and open source — bring your own model subscription or API key. The real answer depends on your volume — heavy agentic use can be worth thousands per month at API-equivalent prices, which is what makes flat-rate subscriptions such an arbitrage. Run npx ccusage@latest daily to see your own numbers.
Yes — many developers on the board do. ccusage reads local logs from every supported agent, and a single npx viberank-cli submission records your usage per tool, so your profile shows exactly how your spend splits between them.
Numbers come from developers who submit their ccusage data to Viberank — real token counts and API-equivalent costs computed from local session logs, validated server-side. It measures actual usage, not marketing claims.
Related reading: Codex vs Claude Code vs Gemini CLI in depth, what Claude Code actually costs, or which subscription your usage justifies.