Agent Monitor: Per-Model Usage Stats for Codex and Claude Code Agents

Melvin Vivas · X post · 2026-09-16 · Open on X

Topics: LLMOps, Deployment & Monitoring, AI Agents, Tool Use & MCP, AI Dev Tools & Productivity · Level: intermediate

Summary

Melvin Vivas added per-model usage stats to Agent Monitor, his open-source dashboard for Codex and Claude Code subagents. The tool shows traces, a breakdown of tokens and cost usage, so you can see which models are using your budget.

Key points

• Agent Monitor now shows usage stats for each model.
• It visualizes Codex and Claude Code subagents.
• Other features: an advanced traces view, a token breakdown and cost usage.
• Tracking usage per model helps you find expensive subagents and plan model routing.

Resources mentioned

• donvito/agent-monitor · repo · github.com · free
  Open-source dashboard that visualizes Codex and Claude Code subagents, with a traces view, a token breakdown and estimated cost.
  Also in: Monitor Codex and Claude Code Subagents with agent-monitor (Melvin Vivas on X · notes), Agent Monitor: see traces, tokens and costs of your coding agents (Melvin Vivas on X · notes), Agent Monitor: Visualize Codex and Claude Code Subagents, Traces and Costs (Melvin Vivas on X · notes), Agent Monitor: Visualize Coding-Agent Subagents, Traces and Costs (Melvin Vivas on X · notes) and 2 more

Try this

• Try Agent Monitor to see token and cost usage per model across your Codex or Claude Code sessions.