Run: 2026-05-01-01KQHQTRQ0W30JSK83R38PXC5M

Run Details

Duration:
52.2s
Cost:
$0.011238
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 runs 15 minutes behind actual time. Adding the 15-minute offset yields 4:00 (3:45 + 0:15 = 4:00). The phrase "a quarter past an hour" is treated as descriptive context that does not alter the direct arithmetic correction from the stated offset. The result is expressed in zero-padded HH:MM form per the output constraints.
created_at"2026-05-01T12:22:18.599Z" 5/1/2026, 12:22:18 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency51103
moderation_latency(null)
generation_time52093
tokens_prompt50
tokens_completion875
native_tokens_prompt172
native_tokens_completion4436
native_tokens_completion_images(null)
native_tokens_reasoning4346
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"
usage0.0112378
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"fcedc389-1721-945f-8566-daffad2682a3"
is_byokfalse
latency103
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777638138-ww65kb44AKPUC93Nxhq5"
session_id(null)
api_type"completions"
id"gen-1777638138-Dk1WL19IRfCR6bYbMEyp"
upstream_id"fcedc389-1721-945f-8566-daffad2682a3"
total_cost0.0112378
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