Run: 2026-04-24-01KQ0NG0NH13V5EKNYJS1PTJ8H

Run Details

Model:
GPT-5.5
Duration:
9.2s
Cost:
$0.010110
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)
99.92% Dialogue to Total Word Ratio (details)
99.9614% Overall

Model input

User/Human
You are a author of comedic heist books. Please write a 200 word scene that has 90% 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, explain again why we’re robbing a children’s party?” “Because, Bill, rich children receive tiny bicycles, diamond-studded dolls, and envelopes from uncles who don’t understand age-appropriate gifts.” “Right, but morally?” “Morally, we’re redistributing cake-adjacent wealth.” “I’m not wearing the clown costume.” “You absolutely are. I’m going as Sparkle the Face-Painting Fairy, and you’re Bonko.” “Bonko has enormous shoes.” “Excellent for concealing presents.” Bill stared at the map spread across the dashboard. “Why does your floor plan say ‘bouncy castle: volatile’?” “Last time, I lost a boot and three counterfeit mustaches.” “Can’t we just sneak in as caterers?” “Molly, caterers carry trays. Clowns carry chaos. Nobody questions chaos.” “That was my line.” “It’s a good line.” “Focus. At 1500 hours, the magician begins sawing the grandmother in half.” “Is that confirmed?” “No, but optimism matters. During applause, you juggle.” “I can’t juggle.” “Then drop things flamboyantly.” “And you?” “I’ll locate the gift table, deploy the sack, and compliment parents until they stop watching.” “What about the birthday child?” “I’ve prepared a distraction.” “Please don’t say ferret.” Molly lifted a wriggling shape from her handbag. “Absolutely not.” “His name is Sir Nibbles.” “We’re going to prison.” “Only if Bonko loses his nerve.”
created_at"2026-04-24T21:14:23.803Z" 4/24/2026, 9:14:23 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency649
moderation_latency(null)
generation_time9054
tokens_prompt77
tokens_completion442
native_tokens_prompt66
native_tokens_completion326
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"
usage0.01011
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_0eb92ecba1c6b01f0169ebdd2fe1f48194be6cb96bc2453b88"
is_byokfalse
latency249
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-1777065263-dM7cloTuQtwzMOiGaNue"
session_id(null)
api_type"completions"
id"gen-1777065263-Ke8LrGUEhnucdGkB3CyG"
upstream_id"resp_0eb92ecba1c6b01f0169ebdd2fe1f48194be6cb96bc2453b88"
total_cost0.01011
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
words200
99.92% Dialogue to Total Word Ratio
Ratio: 91.67%, Deviation: 1.67%
neededCleanfalse
wordsTotal204
wordsDialogue187
99.9614%