Run Details #12
Model
GPT-5 nano
Score
82
Correct (≥100)
33/40
Incorrect (<100)
7
Avg Time
1085.4ms
Tokens Used
0
Cost
652µ$
Benchmark:
0026_time_arithmetic
Run Date: 2026-02-26 00:53:11
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=1.6300000000000003e-05, total_msec=1181.7278861999512, 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=1.6300000000000003e-05, total_msec=1021.975040435791, 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=1.6300000000000003e-05, total_msec=823.7099647521973, 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=1.6300000000000003e-05, total_msec=1121.2069988250732, 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=1.6300000000000003e-05, total_msec=1332.387924194336, 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=1.6300000000000003e-05, total_msec=816.2951469421387, 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=1.6300000000000003e-05, total_msec=1107.3410511016846, 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=1.6300000000000003e-05, total_msec=835.4959487915039, 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=1.6300000000000003e-05, total_msec=822.1609592437744, 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': '04:60'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=917.7441596984863, 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=1.6300000000000003e-05, total_msec=818.3140754699707, 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=1.6300000000000003e-05, total_msec=744.8041439056396, 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=1.6300000000000003e-05, total_msec=1095.8752632141113, 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=1.6300000000000003e-05, total_msec=1739.9590015411377, 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=1.6300000000000003e-05, total_msec=1331.8250179290771, 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=1.6300000000000003e-05, total_msec=817.7659511566162, 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=1.6300000000000003e-05, total_msec=1125.5381107330322, 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=1.6300000000000003e-05, total_msec=920.759916305542, 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=1.6300000000000003e-05, total_msec=922.2309589385986, 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=1.6300000000000003e-05, total_msec=1021.8610763549805, 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': '08:10'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=921.1640357971191, 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': '09:65'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=971.8348979949951, 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=1.6300000000000003e-05, total_msec=1176.9099235534668, 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=1.6300000000000003e-05, total_msec=818.8738822937012, 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=1.6300000000000003e-05, total_msec=919.9259281158447, 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=1.6300000000000003e-05, total_msec=2457.5889110565186, 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=1.6300000000000003e-05, total_msec=1022.878885269165, 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': '22:25'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=1315.1359558105469, 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': '01:55'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=1141.3087844848633, 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=1.6300000000000003e-05, total_msec=1126.0559558868408, 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=1.6300000000000003e-05, total_msec=1124.654769897461, 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=1.6300000000000003e-05, total_msec=819.4530010223389, 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=1.6300000000000003e-05, total_msec=1123.5861778259277, 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': '14:45'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=819.6182250976562, 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=1.6300000000000003e-05, total_msec=920.5770492553711, 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=1.6300000000000003e-05, total_msec=846.9970226287842, 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': '09:70'}, usage=LLMUsage(tokens_in=102, tokens_out=28, cost=1.6300000000000003e-05, total_msec=1096.724033355713, 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=1.6300000000000003e-05, total_msec=817.9528713226318, 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=1.6300000000000003e-05, total_msec=2355.2567958831787, 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=1.6300000000000003e-05, total_msec=1125.0412464141846, metadata={}), additional_thought=None)