Which Claude AI models are powering your sessions?
Shows the distribution of Opus, Sonnet, and Haiku usage across your Claude Code history — and how that's changed over time.
npx cc-modelcc-model — Which Claude models power your sessions
Opus 4.5 ████████████████████████████ 249 ( 53%)
Opus 4.6 █████████████████░░░░░░░░░░░ 147 ( 31%)
Sonnet 4.6 █████░░░░░░░░░░░░░░░░░░░░░░░ 46 ( 10%)
Haiku 4.5 ██░░░░░░░░░░░░░░░░░░░░░░░░░░ 17 ( 4%)
Sonnet 4.5 █░░░░░░░░░░░░░░░░░░░░░░░░░░░ 8 ( 2%)
───────────────────────────────────────────────────────
Total sessions: 467
Current model: Opus 4.6
Primary model: Opus 4.5 (249 sessions)
Run with --timeline to see week-by-week model history
npx cc-model --timelinecc-model — Week-by-week model usage
2026-W02 20 Opus 4.5×20
2026-W03 33 Opus 4.5×30 Haiku 4.5×3
2026-W05 76 Opus 4.5×75 Haiku 4.5×1
2026-W06 146 Opus 4.5×115 Opus 4.6×15 Haiku 4.5×8 Sonnet 4.5×8
2026-W07 37 Opus 4.6×36 Haiku 4.5×1
2026-W08 91 Opus 4.6×53 Sonnet 4.6×38
2026-W09 50 Opus 4.6×41 Sonnet 4.6×8
2026-W10 2 Opus 4.6×2
The timeline reveals the exact week you switched models — and whether you ever mix them within a week.
npx cc-model # Model distribution
npx cc-model --timeline # Week-by-week breakdown
npx cc-model --json # JSON output
npx cc-model --help # Show help- Primary model: Which model has handled the most sessions overall
- Current model: The model used in your most recent session
- Timeline: When you switched models, and how often you mix Opus/Sonnet/Haiku
Drag in your ~/.claude folder. Includes distribution chart and interactive timeline. Runs locally.
cc-model is tool #50 in cc-toolkit — 50 free tools for Claude Code users.
Related:
- cc-session-length — Session duration distribution
- cc-momentum — Week-by-week session trend
- cc-depth — Conversation turns per session
GitHub: yurukusa/cc-model
Try it: npx cc-model