Run Details #960
Model
GPT-5.4 mini
Score
100
Correct (≥100)
40/40
Incorrect (<100)
0
Median Time
712.5ms
Tokens Used
4640
Cost
$0.0056
Benchmark:
0026_time_arithmetic
Run Date: 2026-03-17 18:56:14
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=14, cost=0.0001395, total_msec=661.1528396606445, 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=14, cost=0.0001395, total_msec=577.7337551116943, 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=14, cost=0.0001395, total_msec=731.2288284301758, 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=14, cost=0.0001395, total_msec=591.4111137390137, 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=14, cost=0.0001395, total_msec=621.9732761383057, 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=14, cost=0.0001395, total_msec=593.9478874206543, 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=14, cost=0.0001395, total_msec=551.6068935394287, 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=14, cost=0.0001395, total_msec=804.8801422119141, 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=14, cost=0.0001395, total_msec=758.9578628540039, 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=14, cost=0.0001395, total_msec=706.9981098175049, 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=14, cost=0.0001395, total_msec=1815.943956375122, 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=14, cost=0.0001395, total_msec=806.419849395752, 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=14, cost=0.0001395, total_msec=700.0350952148438, 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=14, cost=0.0001395, total_msec=644.2601680755615, 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=14, cost=0.0001395, total_msec=677.4981021881104, 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=14, cost=0.0001395, total_msec=704.3149471282959, 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=14, cost=0.0001395, total_msec=604.5849323272705, 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=14, cost=0.0001395, total_msec=662.3690128326416, 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=14, cost=0.0001395, total_msec=915.0443077087402, 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=14, cost=0.0001395, total_msec=878.878116607666, 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=14, cost=0.0001395, total_msec=788.4359359741211, 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=14, cost=0.0001395, total_msec=692.2659873962402, 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=14, cost=0.0001395, total_msec=636.7819309234619, 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=14, cost=0.0001395, total_msec=903.501033782959, 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=14, cost=0.0001395, total_msec=719.6910381317139, 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=14, cost=0.0001395, total_msec=1025.65598487854, 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=14, cost=0.0001395, total_msec=628.8237571716309, 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=14, cost=0.0001395, total_msec=558.4650039672852, 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=14, cost=0.0001395, total_msec=931.5309524536133, 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=14, cost=0.0001395, total_msec=760.2009773254395, 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=14, cost=0.0001395, total_msec=810.5738162994385, 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=14, cost=0.0001395, total_msec=783.4701538085938, 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=14, cost=0.0001395, total_msec=733.6001396179199, 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=14, cost=0.0001395, total_msec=679.9800395965576, 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=14, cost=0.0001395, total_msec=647.6840972900391, 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=14, cost=0.0001395, total_msec=684.4332218170166, 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=14, cost=0.0001395, total_msec=719.0399169921875, 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=14, cost=0.0001395, total_msec=765.4049396514893, 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=14, cost=0.0001395, total_msec=763.5650634765625, 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=14, cost=0.0001395, total_msec=1064.8388862609863, metadata={}), additional_thought=None)