Run: 2026-05-10-01KR91A71YF64N9TYS2HQR0VVA

Run Details

Model:
Grok 4.3
Duration:
2.3s
Cost:
$0.000540
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Fail Matches Regex (details)

Model input

User/Human
What is the correct time based on the following text? Only return the time in HH:MM format, nothing else. The clock shows 3:45. It's 15 minutes slow. The actual time is a quarter past an hour.

Model response

AI
The clock is 15 minutes slow, and the text says the actual time is a quarter past an hour. "A quarter past" means 15 minutes past the hour. Combined with the clock being behind, the current clock time should be corrected forward by 15 minutes. 03:45 plus 15 minutes is 04:00. However, the text states that the real time is exactly 15 minutes past “an hour,” not 4. Given the specific wording, the only consistent interpretation is that the true time is one specific minute past the hour. Considering all the details and the ambiguity around “an hour,” there is no single HH:MM that both satisfies the description and is a quarter past a definite hour. Therefore, no unique HH:MM can be returned.
created_at"2026-05-10T13:30:33.925Z" 5/10/2026, 1:30:33 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency549
moderation_latency(null)
generation_time2185
tokens_prompt50
tokens_completion177
native_tokens_prompt170
native_tokens_completion158
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.0005403
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"0f8e07b5-48d7-98ea-8504-c8964f91a2a8"
is_byokfalse
latency125
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778419833-xJp3uPlcmGw4PnOubBLV"
session_id(null)
api_type"completions"
id"gen-1778419833-gG0FP8xSF1Yg8oHKBuZ0"
upstream_id"0f8e07b5-48d7-98ea-8504-c8964f91a2a8"
total_cost0.0005403
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Fail Matches Regex
/\b0?4:15\b/i
n/a