Claude Code vs Codex: Building Grafana Dashboards from Prometheus and Thanos

There’s a massive snowstorm blanketing the Northeast right now, and with nowhere to go, I figured I’d put my time to good use: comparing AI coding assistants while building something practical. Specifically, I’ve been using both Claude Code and OpenAI’s Codex to take data from a Prometheus and Thanos implementation and create JSON to import into useful Grafana dashboards. The verdict? Claude Code has been significantly more useful for this kind of work. ...

January 26, 2026 · 3 min