Run: 2026-04-24-01KQ0MZJFKBKA19H4NVD6CWS1V

Run Details

Model:
GPT-5.5
Duration:
9.8s
Cost:
$0.009000
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
99.38% Matches word count (details)
100.00% Dialogue to Total Word Ratio (details)
99.6882% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 50% 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 unfolded the crayon-scribbled floor plan across the dashboard, pinning one corner with a half-eaten doughnut. Across the street, balloons bobbed on the mailbox like cheerful security guards. “Bill, we enter through the garden gate,” she said. “The one guarded by a terrier in a bow tie?” “That dog can be bribed.” “With what?” “Ham.” “We don’t have ham.” Molly patted her coat. “I always have emergency ham.” Bill squinted at the house. “Then we cross the lawn, avoid the magician, and grab the presents?” “Correct.” “What if the magician saws me in half?” “Try to look recyclable.” Inside, children shrieked with sugar-powered delight. A clown staggered past the window, pursued by a toddler wielding frosting. Bill swallowed. “This feels wrong.” “It’s a redistribution of wrapping paper.” “It’s a six-year-old’s birthday.” “Fine, we only take the noisy toys.” “That’s somehow worse.” Molly sighed, then spotted a mountain of gifts beside the cake. Atop it sat a card reading: For Charity Toy Drive. Bill grinned. “Steal from a toy drive?” Molly folded the plan. “New plan. We rob the piñata.” “With ham?” “With dignity.” They marched toward the gate as the terrier accepted payment in advance.
created_at"2026-04-24T21:05:24.989Z" 4/24/2026, 9:05:24 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1671
moderation_latency(null)
generation_time9604
tokens_prompt77
tokens_completion375
native_tokens_prompt66
native_tokens_completion289
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached0
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"
usage0.009
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_0b6dc77dbd22aaa70169ebdb1514f48193a63ac2789726816d"
is_byokfalse
latency297
model_permaslug"openai/gpt-5.5-20260423"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777064724-dkWVJ7Sz2AMyfjiUPyhY"
session_id(null)
api_type"completions"
id"gen-1777064724-b6iXhArJBjsPykynuIzC"
upstream_id"resp_0b6dc77dbd22aaa70169ebdb1514f48193a63ac2789726816d"
total_cost0.009
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
99.38% Matches word count n/a
neededCleanfalse
words195
100.00% Dialogue to Total Word Ratio
Ratio: 49.50%, Deviation: 0.50%
neededCleanfalse
wordsTotal200
wordsDialogue99
99.6882%