Run: 2026-09-23-01M37Q2WVWEN65MGSRCD68SNW4

Run Details

Duration:
18.6s
Cost:
$0.035040
Provider:
Claude Platform on AWS

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)
99.91% Dialogue to Total Word Ratio (details)
99.9558% 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 unrolled the blueprint across the hood of the van. It was drawn in purple crayon. "Where did you get this?" Bill asked. "The birthday boy drew it for his invitations. Very detailed. He even labeled the snack table." Bill squinted. "Is that a moat?" "Paddling pool. Treat it like a moat." A dozen balloons bobbed over the fence next door, each printed with a grinning dinosaur. Bill watched them with the wary respect of a man who had once been bitten by a clown. "Walk me through it," he said. "Two o'clock, the magician starts. Every child and parent faces the patio. You go over the fence, I grab the gift pile, we're gone before the rabbit comes out of the hat." "And if someone sees us?" Molly handed him a folded bundle of felt. "Then you're Rexy, the party dinosaur." Bill held up the costume. The tail dragged on the asphalt. "Molly, this is a crime against dignity." "We're stealing birthday presents from a six-year-old, Bill. Dignity left hours ago." He sighed, stepped into the legs, and zipped himself up to the snout. Somewhere beyond the fence, a small voice shrieked, "DINOSAUR!" Bill froze solid. "It's only one-thirty."
created_at"2026-09-23T18:05:14.017Z" 9/23/2026, 6:05:14 PM
model"anthropic/claude-opus-5.5-20260921"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6875
moderation_latency(null)
generation_time18550
tokens_prompt75
tokens_completion495
native_tokens_prompt95
native_tokens_completion1733
native_tokens_completion_images(null)
native_tokens_reasoning1287
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"end_turn"
service_tier"default"
usage0.03504
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790186714-AIkHeB48UVJx4H17CtIX"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790186714-j0WglOJTq8IGC2SVUAWb"
upstream_id"msg_011CfLpAf7rvvhTjaiKGtXRj"
provider_responses
0
endpoint_id"3a2388bc-3740-4e64-a1f5-4e301726b6b9"
id"msg_011CfLpAf7rvvhTjaiKGtXRj"
is_byokfalse
latency1341
model_permaslug"anthropic/claude-opus-5.5-20260921"
provider_name"Claude Platform on AWS"
status200
total_cost0.03504
cache_discount(null)
upstream_inference_cost0
provider_name"Claude Platform on AWS"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
words200
99.91% Dialogue to Total Word Ratio
Ratio: 51.72%, Deviation: 1.72%
neededCleanfalse
wordsTotal203
wordsDialogue105
99.9558%