Run: 2026-03-18-01KM09CM94SGEGCMBXRN6HM6F6

Run Details

Duration:
1.9s
Cost:
$0.000397
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
0.03% Count dialogue tags (details)

Model input

User/Human
You are an expert novel writer in the cozy mystery genre. Write a scene of about 200 words, with dialogue between two characters. The dialogue should be unattributed, meaning the speaker is not explicitly mentioned. The scene should be set in a small town bakery. Only return the story, nothing else.

Model response

AI
The bell above the door gave a tired little jingle as the evening rush slowed into a hush. Cinnamon still hung in the air, caught between the ovens’ warm breath and the cooling tray racks. Mara leaned over the counter, smoothing powdered sugar into a neat snowfall on a berry tart. Theo hovered beside the display case, peering at the empty spot where the “missing” wedding cake tier was supposed to be. “They say it was an inside job,” Theo said, voice low like it might wake the dough. “Inside job, outside mess,” Mara replied, tapping the case gently. “Tell me what you saw.” Theo swallowed. “When I came in this afternoon, the back door was unlocked. The delivery stamp was on the wrong invoice, too.” Mara’s gaze flicked to the ledger under her elbow. “Wrong invoice means someone knew exactly where to look.” Theo nodded toward the register drawer, where a single envelope sat beneath a stack of receipts. “And that envelope wasn’t there this morning.” Mara slid the tart toward a customer, then waited until the customer had left. “Open it,” she said. “But slow. We don’t want fingerprints—on the evidence or on the frosting.” Theo carefully lifted the flap. “It’s a receipt,” he breathed. “For marzipan. Two bags… and a bag of black cocoa.” Mara’s smile didn’t reach her eyes. “Black cocoa,” she echoed, like she was tasting a clue.
created_at"2026-03-18T10:55:44.434Z" 3/18/2026, 10:55:44 AM
model"openai/gpt-5.4-nano-20260317"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency460
moderation_latency(null)
generation_time1408
tokens_prompt81
tokens_completion374
native_tokens_prompt67
native_tokens_completion307
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.00039715
router(null)
provider_responses
0
endpoint_id"0c835f2e-c18d-4e8c-b245-e1e3bd08b97f"
id"resp_03e5906943ec6a200169ba84b080f08190be20202768b6de97"
is_byokfalse
latency190
model_permaslug"openai/gpt-5.4-nano-20260317"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773831344-VGm9MrI0dyCEnAYstqaj"
upstream_id"resp_03e5906943ec6a200169ba84b080f08190be20202768b6de97"
total_cost0.00039715
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
0.03% Count dialogue tags n/a
neededCleanfalse
dialogueTags
0"Theo said"
1"Mara replied"
2"she said"
3"he breathed"