Context: Working on dotfiles (main) - claude-ops session analysis
Claude Code Spend: Jan-Mar 2026
Total: $2,884 across 382 sessions, 15 projects
Monthly Trend
- Jan: $281 (36 sessions) - all Sonnet 4.5
- Feb: 602) / Opus 4.6 ($439)
- Mar: 1,365)
- Apr 1 alone: $87
By Model (all-time)
- Opus 4.6: $1,890 (65.5%) - 143 sessions
- Sonnet 4.5: $881 (30.5%) - 64 sessions
- Sonnet 4.6: $64 (2.2%) - 63 sessions
- Haiku 4.5: $48 (1.7%) - 179 sessions
By Project (March)
- dotfiles: $872 (89 sessions, 57% of spend)
- media-stack: $201
- SillyTavern: $152
- personal-website: $116
- scratch: $84
- claude-ops: $75
Cache efficiency
- 4 billion cache read tokens total
- Opus: 540:1 cache read to output ratio
- Input tokens are typically 1 (everything else is cached)
Observations
- Clear model migration path: Sonnet 4.5 → Opus 4.6 between Jan-Mar
- Spend accelerating: 1,077 → $1,439 monthly
- Dotfiles project dominates usage
- Mar 30 was the single most expensive day at $266 (17 sessions)