Run Details #26

Model

GPT-5 mini

Score

100

Correct (≥100)

40/40

Incorrect (<100)

0

Avg Time

1179.0ms

Tokens Used

0

Cost

$0.0033

Benchmark: 0026_time_arithmetic
Run Date: 2026-02-26 01:21:22
Questions (40)

Question: Starting at 22:00, what time was it 40 minutes earlier? Return HH:MM in 24-hour format.
Expected 
21:20
Provided 
Response(response_text='', structured_data={'time': '21:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1045.0670719146729, metadata={}), additional_thought=None)

Question: Starting at 16:00, what time was it 10 minutes earlier? Return HH:MM in 24-hour format.
Expected 
15:50
Provided 
Response(response_text='', structured_data={'time': '15:50'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1944.3111419677734, metadata={}), additional_thought=None)

Question: Starting at 16:35, what time was it 40 minutes earlier? Return HH:MM in 24-hour format.
Expected 
15:55
Provided 
Response(response_text='', structured_data={'time': '15:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1227.081060409546, metadata={}), additional_thought=None)

Question: Starting at 19:40, what time is it after 15 minutes? Return HH:MM in 24-hour format.
Expected 
19:55
Provided 
Response(response_text='', structured_data={'time': '19:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1023.8909721374512, metadata={}), additional_thought=None)

Question: Starting at 02:55, what time was it 15 minutes earlier? Return HH:MM in 24-hour format.
Expected 
02:40
Provided 
Response(response_text='', structured_data={'time': '02:40'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1228.9998531341553, metadata={}), additional_thought=None)

Question: Starting at 21:20, what time is it after 35 minutes? Return HH:MM in 24-hour format.
Expected 
21:55
Provided 
Response(response_text='', structured_data={'time': '21:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1226.9999980926514, metadata={}), additional_thought=None)

Question: Starting at 08:30, what time was it 50 minutes earlier? Return HH:MM in 24-hour format.
Expected 
07:40
Provided 
Response(response_text='', structured_data={'time': '07:40'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1227.7681827545166, metadata={}), additional_thought=None)

Question: Starting at 04:35, what time is it after 120 minutes? Return HH:MM in 24-hour format.
Expected 
06:35
Provided 
Response(response_text='', structured_data={'time': '06:35'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=919.7242259979248, metadata={}), additional_thought=None)

Question: Starting at 04:25, what time was it 50 minutes earlier? Return HH:MM in 24-hour format.
Expected 
03:35
Provided 
Response(response_text='', structured_data={'time': '03:35'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1229.1357517242432, metadata={}), additional_thought=None)

Question: Starting at 04:45, what time is it after 15 minutes? Return HH:MM in 24-hour format.
Expected 
05:00
Provided 
Response(response_text='', structured_data={'time': '05:00'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=2355.748176574707, metadata={}), additional_thought=None)

Question: Starting at 12:05, what time was it 5 minutes earlier? Return HH:MM in 24-hour format.
Expected 
12:00
Provided 
Response(response_text='', structured_data={'time': '12:00'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=979.9020290374756, metadata={}), additional_thought=None)

Question: Starting at 15:35, what time was it 75 minutes earlier? Return HH:MM in 24-hour format.
Expected 
14:20
Provided 
Response(response_text='', structured_data={'time': '14:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1159.1103076934814, metadata={}), additional_thought=None)

Question: Starting at 03:55, what time was it 10 minutes earlier? Return HH:MM in 24-hour format.
Expected 
03:45
Provided 
Response(response_text='', structured_data={'time': '03:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1236.4349365234375, metadata={}), additional_thought=None)

Question: Starting at 02:50, what time was it 50 minutes earlier? Return HH:MM in 24-hour format.
Expected 
02:00
Provided 
Response(response_text='', structured_data={'time': '02:00'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1022.5019454956055, metadata={}), additional_thought=None)

Question: Starting at 10:25, what time was it 15 minutes earlier? Return HH:MM in 24-hour format.
Expected 
10:10
Provided 
Response(response_text='', structured_data={'time': '10:10'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1230.87477684021, metadata={}), additional_thought=None)

Question: Starting at 04:55, what time was it 90 minutes earlier? Return HH:MM in 24-hour format.
Expected 
03:25
Provided 
Response(response_text='', structured_data={'time': '03:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1016.2150859832764, metadata={}), additional_thought=None)

Question: Starting at 21:10, what time is it after 60 minutes? Return HH:MM in 24-hour format.
Expected 
22:10
Provided 
Response(response_text='', structured_data={'time': '22:10'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=979.9048900604248, metadata={}), additional_thought=None)

Question: Starting at 19:50, what time is it after 90 minutes? Return HH:MM in 24-hour format.
Expected 
21:20
Provided 
Response(response_text='', structured_data={'time': '21:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1377.9802322387695, metadata={}), additional_thought=None)

Question: Starting at 22:45, what time is it after 60 minutes? Return HH:MM in 24-hour format.
Expected 
23:45
Provided 
Response(response_text='', structured_data={'time': '23:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1173.4049320220947, metadata={}), additional_thought=None)

Question: Starting at 02:45, what time is it after 40 minutes? Return HH:MM in 24-hour format.
Expected 
03:25
Provided 
Response(response_text='', structured_data={'time': '03:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=979.2308807373047, metadata={}), additional_thought=None)

Question: Starting at 09:55, what time was it 135 minutes earlier? Return HH:MM in 24-hour format.
Expected 
07:40
Provided 
Response(response_text='', structured_data={'time': '07:40'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1123.8539218902588, metadata={}), additional_thought=None)

Question: Starting at 09:20, what time is it after 45 minutes? Return HH:MM in 24-hour format.
Expected 
10:05
Provided 
Response(response_text='', structured_data={'time': '10:05'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=884.3610286712646, metadata={}), additional_thought=None)

Question: Starting at 19:10, what time is it after 5 minutes? Return HH:MM in 24-hour format.
Expected 
19:15
Provided 
Response(response_text='', structured_data={'time': '19:15'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1369.7268962860107, metadata={}), additional_thought=None)

Question: Starting at 03:15, what time is it after 90 minutes? Return HH:MM in 24-hour format.
Expected 
04:45
Provided 
Response(response_text='', structured_data={'time': '04:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1020.3092098236084, metadata={}), additional_thought=None)

Question: Starting at 18:55, what time is it after 35 minutes? Return HH:MM in 24-hour format.
Expected 
19:30
Provided 
Response(response_text='', structured_data={'time': '19:30'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1124.3860721588135, metadata={}), additional_thought=None)

Question: Starting at 22:50, what time is it after 90 minutes? Return HH:MM in 24-hour format.
Expected 
00:20
Provided 
Response(response_text='', structured_data={'time': '00:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1022.0170021057129, metadata={}), additional_thought=None)

Question: Starting at 06:40, what time is it after 90 minutes? Return HH:MM in 24-hour format.
Expected 
08:10
Provided 
Response(response_text='', structured_data={'time': '08:10'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1023.6537456512451, metadata={}), additional_thought=None)

Question: Starting at 23:40, what time was it 135 minutes earlier? Return HH:MM in 24-hour format.
Expected 
21:25
Provided 
Response(response_text='', structured_data={'time': '21:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1329.99587059021, metadata={}), additional_thought=None)

Question: Starting at 01:15, what time was it 20 minutes earlier? Return HH:MM in 24-hour format.
Expected 
00:55
Provided 
Response(response_text='', structured_data={'time': '00:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=860.4390621185303, metadata={}), additional_thought=None)

Question: Starting at 17:50, what time was it 75 minutes earlier? Return HH:MM in 24-hour format.
Expected 
16:35
Provided 
Response(response_text='', structured_data={'time': '16:35'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1107.4490547180176, metadata={}), additional_thought=None)

Question: Starting at 16:05, what time was it 45 minutes earlier? Return HH:MM in 24-hour format.
Expected 
15:20
Provided 
Response(response_text='', structured_data={'time': '15:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1307.2147369384766, metadata={}), additional_thought=None)

Question: Starting at 00:45, what time was it 20 minutes earlier? Return HH:MM in 24-hour format.
Expected 
00:25
Provided 
Response(response_text='', structured_data={'time': '00:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1125.0810623168945, metadata={}), additional_thought=None)

Question: Starting at 03:35, what time was it 50 minutes earlier? Return HH:MM in 24-hour format.
Expected 
02:45
Provided 
Response(response_text='', structured_data={'time': '02:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1330.225944519043, metadata={}), additional_thought=None)

Question: Starting at 14:45, what time was it 50 minutes earlier? Return HH:MM in 24-hour format.
Expected 
13:55
Provided 
Response(response_text='', structured_data={'time': '13:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1231.720209121704, metadata={}), additional_thought=None)

Question: Starting at 02:10, what time is it after 35 minutes? Return HH:MM in 24-hour format.
Expected 
02:45
Provided 
Response(response_text='', structured_data={'time': '02:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1094.7017669677734, metadata={}), additional_thought=None)

Question: Starting at 11:00, what time is it after 40 minutes? Return HH:MM in 24-hour format.
Expected 
11:40
Provided 
Response(response_text='', structured_data={'time': '11:40'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1154.1051864624023, metadata={}), additional_thought=None)

Question: Starting at 09:25, what time is it after 45 minutes? Return HH:MM in 24-hour format.
Expected 
10:10
Provided 
Response(response_text='', structured_data={'time': '10:10'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1228.5618782043457, metadata={}), additional_thought=None)

Question: Starting at 07:45, what time is it after 75 minutes? Return HH:MM in 24-hour format.
Expected 
09:00
Provided 
Response(response_text='', structured_data={'time': '09:00'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1134.7119808197021, metadata={}), additional_thought=None)

Question: Starting at 11:05, what time is it after 75 minutes? Return HH:MM in 24-hour format.
Expected 
12:20
Provided 
Response(response_text='', structured_data={'time': '12:20'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1115.265130996704, metadata={}), additional_thought=None)

Question: Starting at 06:35, what time was it 10 minutes earlier? Return HH:MM in 24-hour format.
Expected 
06:25
Provided 
Response(response_text='', structured_data={'time': '06:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=8.15e-05, total_msec=1007.0841312408447, metadata={}), additional_thought=None)