Run: 2026-05-01-01KQHSB6D6KWSXBPJHD1281XR6

Run Details

Duration:
26.6s
Cost:
$0.005829
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain poured down relentlessly tonight. The phone rang with urgency. Police reached the scene quickly. Victim sprawled across study floor. Detective surveyed area with suspicion. Clues pointed towards unexpected killer.
created_at"2026-05-01T12:48:45.482Z" 5/1/2026, 12:48:45 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency26138
moderation_latency(null)
generation_time26542
tokens_prompt46
tokens_completion636
native_tokens_prompt159
native_tokens_completion2306
native_tokens_completion_images(null)
native_tokens_reasoning2268
native_tokens_cached128
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"
usage0.00582935
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"7ecd7ae9-be1d-90f5-912f-f7968f820816"
is_byokfalse
latency75
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-1777639725-OcGTDhu8QrHFxeowcds0"
session_id(null)
api_type"completions"
id"gen-1777639725-y2tzVdHxQcHNZsVv0p87"
upstream_id"7ecd7ae9-be1d-90f5-912f-f7968f820816"
total_cost0.00582935
cache_discount0.0001344
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
05
15
25
35
45
55