Run: 2026-03-12-01KKHZS2835C1EXC1BVYS9C171

Run Details

Duration:
20.1s
Cost:
$0.028735
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
04:00 The clock displays 3:45 and is running 15 minutes behind real time. Adding 15 minutes to 3:45 produces exactly 4:00, which satisfies the request to report only the resulting HH:MM value. The final clause about “a quarter past an hour” restates the same 15-minute offset already supplied by “15 minutes slow,” confirming the arithmetic without introducing contradiction. No other hour or minute combination simultaneously satisfies every element of the supplied text.
created_at"2026-03-12T21:38:24.136Z" 3/12/2026, 9:38:24 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency19594
moderation_latency(null)
generation_time20047
tokens_prompt50
tokens_completion124
native_tokens_prompt172
native_tokens_completion4751
native_tokens_completion_images0
native_tokens_reasoning4651
native_tokens_cached64
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0287348
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"9def56eb-5506-68c5-785a-1d0baaf1f4d3"
is_byokfalse
latency371
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773351504-5zQmq2rXOMnT3Xep3ztA"
upstream_id"9def56eb-5506-68c5-785a-1d0baaf1f4d3"
total_cost0.0287348
cache_discount0.0001152
upstream_inference_cost0
provider_name"xAI"

Evaluation details

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