{
 "title": "The coffee-break tax: what your next Claude Code message costs after a 0 to 65 minute pause",
 "url": "https://tokensave.app/data/ai-coffee-break-cache-cost",
 "license": "CC BY 4.0",
 "measured": "2026-10-20",
 "citation": "TokenSave (2026). The coffee-break tax: what your next Claude Code message costs after a 0 to 65 minute pause [Data set]. Zenodo. https://doi.org/10.5281/zenodo.23489501",
 "tool": "Claude Code 2.1.295 (Opus 5.5), claude -p --effort medium --permission-mode acceptEdits, turn 2 with --resume; no MCP servers",
 "turn1_prompt": "Make a brick-breaker game that runs in the browser as a single file named index.html in the current folder. It needs 2 levels, a score display and 3 lives, and it must be playable with the keyboard and the mouse. Write the file and finish.",
 "turn2_prompt": "Make the ball red and slightly faster. Edit index.html and finish.",
 "rows": [
  {
   "wait_min": 0,
   "rep": 1,
   "actual_gap_s": 0,
   "turn1_cost_usd": 0.3439,
   "turn2_cost_usd": 0.0409,
   "turn2_first_call_cache_read": 41765,
   "turn2_first_call_cache_write": 589,
   "turn2_first_call_cache_write_1h": 589,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1431,
   "turn2_cache_read_total": 84119,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 4,
   "rep": 1,
   "actual_gap_s": 240,
   "turn1_cost_usd": 0.3649,
   "turn2_cost_usd": 0.0418,
   "turn2_first_call_cache_read": 42578,
   "turn2_first_call_cache_write": 498,
   "turn2_first_call_cache_write_1h": 498,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1390,
   "turn2_cache_read_total": 85654,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 6,
   "rep": 1,
   "actual_gap_s": 360,
   "turn1_cost_usd": 0.3757,
   "turn2_cost_usd": 0.0424,
   "turn2_first_call_cache_read": 42983,
   "turn2_first_call_cache_write": 471,
   "turn2_first_call_cache_write_1h": 471,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1339,
   "turn2_cache_read_total": 86437,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 15,
   "rep": 1,
   "actual_gap_s": 900,
   "turn1_cost_usd": 0.3929,
   "turn2_cost_usd": 0.0397,
   "turn2_first_call_cache_read": 43372,
   "turn2_first_call_cache_write": 462,
   "turn2_first_call_cache_write_1h": 462,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1259,
   "turn2_cache_read_total": 87206,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 30,
   "rep": 1,
   "actual_gap_s": 1800,
   "turn1_cost_usd": 0.3749,
   "turn2_cost_usd": 0.0439,
   "turn2_first_call_cache_read": 42923,
   "turn2_first_call_cache_write": 515,
   "turn2_first_call_cache_write_1h": 515,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1440,
   "turn2_cache_read_total": 86361,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 55,
   "rep": 1,
   "actual_gap_s": 3300,
   "turn1_cost_usd": 0.4162,
   "turn2_cost_usd": 0.0454,
   "turn2_first_call_cache_read": 44393,
   "turn2_first_call_cache_write": 521,
   "turn2_first_call_cache_write_1h": 521,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1506,
   "turn2_cache_read_total": 89307,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 65,
   "rep": 1,
   "actual_gap_s": 3900,
   "turn1_cost_usd": 0.3785,
   "turn2_cost_usd": 0.2547,
   "turn2_first_call_cache_read": 15925,
   "turn2_first_call_cache_write": 27660,
   "turn2_first_call_cache_write_1h": 27660,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 28510,
   "turn2_cache_read_total": 59510,
   "turn2_model_calls": 2,
   "cache_hit": false
  },
  {
   "wait_min": 0,
   "rep": 2,
   "actual_gap_s": 0,
   "turn1_cost_usd": 0.3218,
   "turn2_cost_usd": 0.0371,
   "turn2_first_call_cache_read": 41107,
   "turn2_first_call_cache_write": 404,
   "turn2_first_call_cache_write_1h": 404,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1045,
   "turn2_cache_read_total": 82618,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 4,
   "rep": 2,
   "actual_gap_s": 240,
   "turn1_cost_usd": 0.4003,
   "turn2_cost_usd": 0.0427,
   "turn2_first_call_cache_read": 43887,
   "turn2_first_call_cache_write": 435,
   "turn2_first_call_cache_write_1h": 435,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1354,
   "turn2_cache_read_total": 88209,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 6,
   "rep": 2,
   "actual_gap_s": 360,
   "turn1_cost_usd": 0.3462,
   "turn2_cost_usd": 0.0414,
   "turn2_first_call_cache_read": 41897,
   "turn2_first_call_cache_write": 520,
   "turn2_first_call_cache_write_1h": 520,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1368,
   "turn2_cache_read_total": 84314,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 15,
   "rep": 2,
   "actual_gap_s": 900,
   "turn1_cost_usd": 0.3714,
   "turn2_cost_usd": 0.0416,
   "turn2_first_call_cache_read": 42780,
   "turn2_first_call_cache_write": 543,
   "turn2_first_call_cache_write_1h": 543,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1395,
   "turn2_cache_read_total": 86103,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 30,
   "rep": 2,
   "actual_gap_s": 1800,
   "turn1_cost_usd": 0.3579,
   "turn2_cost_usd": 0.0426,
   "turn2_first_call_cache_read": 42348,
   "turn2_first_call_cache_write": 472,
   "turn2_first_call_cache_write_1h": 472,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1371,
   "turn2_cache_read_total": 85168,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 55,
   "rep": 2,
   "actual_gap_s": 3300,
   "turn1_cost_usd": 0.3476,
   "turn2_cost_usd": 0.0396,
   "turn2_first_call_cache_read": 41973,
   "turn2_first_call_cache_write": 482,
   "turn2_first_call_cache_write_1h": 482,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 1323,
   "turn2_cache_read_total": 84428,
   "turn2_model_calls": 2,
   "cache_hit": true
  },
  {
   "wait_min": 65,
   "rep": 2,
   "actual_gap_s": 3900,
   "turn1_cost_usd": 0.3677,
   "turn2_cost_usd": 0.2506,
   "turn2_first_call_cache_read": 15925,
   "turn2_first_call_cache_write": 27261,
   "turn2_first_call_cache_write_1h": 27261,
   "turn2_first_call_cache_write_5m": 0,
   "turn2_cache_write_total": 28111,
   "turn2_cache_read_total": 59111,
   "turn2_model_calls": 2,
   "cache_hit": false
  }
 ]
}