cost sources · by est. tokens

kind	name	occurrences	sessions	est tokens
hook	SessionStart:startup	368,817	1282	188.02M
hook	PostToolUse:Bash	3,913,321	504	73.85M
hook	SessionStart:compact	59,385	110	26.97M
hook	PostToolUse:Edit	1,198,142	289	20.85M
hook	SessionStart:clear	14,826	47	7.87M
hook	SessionStart:resume	34,316	230	6.80M
hook	Stop	264,786	367	6.78M
hook	PostToolUse:Write	295,670	295	5.07M
hook	UserPromptSubmit	37,139	283	1.82M
hook	PreToolUse:Edit	3,589	4	421.6K
hook	PostToolUse:Skill	15,494	69	300.9K
hook	PreToolUse:Write	24	9	3.0K

est tokens = bytes / 4 (rough). hooks & skills aren't separately billed — they fold into the next turn's cache_creation_input_tokens. this view ranks them by raw size so you can see what's bloating the cache.