Run Details #998
Model
GPT-5.4 nano
Score
100
Correct (≥100)
40/40
Incorrect (<100)
0
Median Time
702.0ms
Tokens Used
4640
Cost
$0.0015
Benchmark:
0026_time_arithmetic
Run Date: 2026-03-17 19:18:29
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=3.79e-05, total_msec=775.1879692077637, 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=3.79e-05, total_msec=693.7501430511475, 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=3.79e-05, total_msec=624.9608993530273, 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=3.79e-05, total_msec=836.7550373077393, 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=3.79e-05, total_msec=612.7429008483887, 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=3.79e-05, total_msec=787.3709201812744, 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=3.79e-05, total_msec=892.1189308166504, 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=3.79e-05, total_msec=635.2150440216064, 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=3.79e-05, total_msec=772.6898193359375, 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=3.79e-05, total_msec=660.4762077331543, 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=3.79e-05, total_msec=761.7831230163574, 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=3.79e-05, total_msec=618.4139251708984, 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=3.79e-05, total_msec=667.1609878540039, 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=3.79e-05, total_msec=565.4079914093018, 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=3.79e-05, total_msec=612.598180770874, 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=3.79e-05, total_msec=1642.711877822876, 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=3.79e-05, total_msec=768.3377265930176, 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=3.79e-05, total_msec=684.8390102386475, 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=3.79e-05, total_msec=669.5051193237305, 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=3.79e-05, total_msec=626.9888877868652, 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=3.79e-05, total_msec=775.1271724700928, 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=3.79e-05, total_msec=795.3977584838867, 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=3.79e-05, total_msec=755.6259632110596, 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=3.79e-05, total_msec=625.0743865966797, 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=3.79e-05, total_msec=850.1791954040527, 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=3.79e-05, total_msec=684.873104095459, 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=3.79e-05, total_msec=715.27099609375, 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=3.79e-05, total_msec=708.6660861968994, 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=3.79e-05, total_msec=981.5349578857422, 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=3.79e-05, total_msec=690.8180713653564, 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=3.79e-05, total_msec=610.2509498596191, 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=3.79e-05, total_msec=696.1510181427002, 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=3.79e-05, total_msec=762.0091438293457, 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=3.79e-05, total_msec=765.1567459106445, 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=3.79e-05, total_msec=711.7667198181152, 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=3.79e-05, total_msec=733.0050468444824, 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=3.79e-05, total_msec=608.6819171905518, 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=3.79e-05, total_msec=883.6402893066406, 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=3.79e-05, total_msec=644.8731422424316, 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=3.79e-05, total_msec=633.558988571167, metadata={}), additional_thought=None)