Model Usage

AI Models

Track AI model costs and token usage over time

• Per-model cost breakdown and totals
• Daily and session-level summaries
• JSON export for expense tracking

What You Can Do

Per-model cost breakdown — See exactly what each model costs in your sessions

Current model usage — Most recent session's model and cost details

Full model breakdown — Complete historical cost analysis across all models

Multiple providers — Track usage for Codex and Claude Code

Flexible input — Read from CodexBar CLI directly, from file, or stdin

Output formats — Text for readability or JSON for scripting

Try Asking

"Show my current Codex session's model usage and cost"

"Break down costs across all Claude models I've used"

"What's my total spend for today?"

"Export usage data as JSON"

"Show token counts for each model"

Pro Tips

JSON output is perfect for expense tracking and budget monitoring

Regular monitoring prevents surprise bills from expensive models

Compare model costs to make informed choices about which to use

File input enables historical analysis across multiple sessions

Token counts help identify opportunities to optimize prompt efficiency