Run: 2026-05-01-01KQHQVFRV8E9VDNHM93XRS4B9

Run Details

Duration:
1m 2s
Cost:
$0.015978
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
99.92% Matches word count (details)
100.00% Dialogue to Total Word Ratio (details)
99.9595% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 10% words of dialogue between two thieves named Molly and Bill who are planning to break into a children's party to steal all the presents. Only include the prose of the scene without any markdown or commentary.

Model response

AI
Molly peered out the window of the beat-up sedan at the lively children's party next door. Balloons dotted the lawn like colorful sentinels while parents chatted nearby. She turned to her partner in crime with a mischievous glint in her eye. Bill fiddled with a pair of oversized fake ears he planned to use as part of his rabbit costume disguise. The scheme was simple yet bold: infiltrate the festivities as surprise entertainers, cause a small distraction with a poorly performed puppet show, and make off with every single present before the candles were even lit on the cake. They had practiced their alibis and escape route through the neighboring yard. It seemed foolproof in theory but both knew their luck often turned these operations into slapstick comedies. "Let's grab those presents quick." said Molly. "But what about the kids?" replied Bill. "They won't suspect a thing." she added. "This is crazy but okay." he agreed. After finalizing the details the pair slipped out of the vehicle and approached the house with fake smiles plastered on their faces hoping the children would provide enough cover for their devious plan to succeed without a hitch perfectly as planned.
created_at"2026-05-01T12:22:42.208Z" 5/1/2026, 12:22:42 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency60259
moderation_latency(null)
generation_time61737
tokens_prompt77
tokens_completion1943
native_tokens_prompt184
native_tokens_completion6326
native_tokens_completion_images(null)
native_tokens_reasoning6096
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"
usage0.0159778
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"994dd2c4-f07d-9a66-828d-b04b5ab0c117"
is_byokfalse
latency72
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-1777638162-CppAnjCErJuN9LosiRKh"
session_id(null)
api_type"completions"
id"gen-1777638162-6OI5xnyYgzma3YyxVQhe"
upstream_id"994dd2c4-f07d-9a66-828d-b04b5ab0c117"
total_cost0.0159778
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
99.92% Matches word count n/a
neededCleanfalse
words197
100.00% Dialogue to Total Word Ratio
Ratio: 10.10%, Deviation: 0.10%
neededCleanfalse
wordsTotal198
wordsDialogue20
99.9595%