Run: 2026-02-16-01KHKAGX8P0BTCBZ8YZM37EJ5E

Run Details

Model:
GPT-5 Nano
Test:
Language Writing
Scenario:
Character dialogue (Italian) in a story
Duration:
1m 15s
Cost:
$0.002930
Provider:
OpenAI

Model input

System
You are an expert novel author in the cozy mystery genre. Take the following details about characters/locations/... into account: <character name="Isabella"> Isabella is a 30-year old college student on a study abroad program. Born in Italy, she is fluent in Italian and does not yet know any English. She enjoys landscape photography and is always seen with her camera. </character> <character name="Hunter"> Hunter is a 35-year old detective who is investigating a series of mysterious disappearances in the small town of Alborn, MN. He is a former marine and has a no-nonsense attitude. Hunter has no knowledge of Italian, not even basic phrases. </character> <location name="Alborn, MN"> Alborne is a small town in the Midwest with a population of 3,000. It is known for its annual apple festival. </location>
User/Human
Write the following scene: Isabella is sitting at a cafe, looking at her camera. Hunter approaches her and asks her about a recent event in the town. She responds troubled and shaken in Italian, and Hunter looks confused. They talk for a while, until Hunter gets a call and has to leave. Return the dialogue between Isabella and Hunter as a voice sheet: Isabella: "..." Hunter: "..."

Model response

AI
Isabella: "Mi dispiace, sono molto turbata." Hunter: "I don't understand Italian." Isabella: "Qualcosa di brutto è successo in città." Hunter: "A bad thing? The disappearances?" Isabella: "Sì. Qualcuno è sparito dopo la festa dell'Apple Festival." Hunter: "A disappearance after the Apple Festival? Do you know who?" Isabella: "Non lo so. Ma la gente ha paura." Hunter: "Did you notice anyone following you, or any unusual strangers?" Isabella: "Ho visto una figura in cappotto scuro vicino al magazzino, ma è passata veloce." Hunter: "Any distinguishing features?" Isabella: "Non saprei descriverlo bene." Hunter: "I appreciate any detail. Please stay safe." Isabella: "Farò del mio meglio." Hunter: "I have to take a call. I need to step out for a moment." Isabella: "Va bene. Buona fortuna." Hunter: "I'll be back as soon as I can."
created_at"2026-02-16T13:35:17.436079+00:00" 2/16/2026, 1:35:17 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency15340
moderation_latency(null)
generation_time74578
tokens_prompt321
tokens_completion1883
native_tokens_prompt271
native_tokens_completion7290
native_tokens_completion_images0
native_tokens_reasoning7040
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"
usage0.00292955
router(null)
provider_responses
0
id"resp_0e265277c47ceee30169931cca227c8197af895c37c1e37aa3"
status200
is_byokfalse
latency176
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771248842-RokV80Lou69klJxiDkrs"
upstream_id"resp_0e265277c47ceee30169931cca227c8197af895c37c1e37aa3"
total_cost0.00292955
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
81.2500% Parse dialogue n/a
dialogue
0
name"Isabella"
dialogue"Mi dispiace, sono molto turbata."
languages
ita1
eng0.762650163815071
passestrue
1
name"Hunter"
dialogue"I don't understand Italian."
languages
eng1
ita0.6547049441786283
passestrue
2
name"Isabella"
dialogue"Qualcosa di brutto è successo in città."
languages
ita1
eng0.4243575418994413
passestrue
3
name"Hunter"
dialogue"A bad thing? The disappearances?"
languages
eng1
ita0.5693015701136979
passestrue
4
name"Isabella"
dialogue"Sì. Qualcuno è sparito dopo la festa dell'Apple Festival."
languages
ita1
eng0.6138950229318838
passestrue
5
name"Hunter"
dialogue"A disappearance after the Apple Festival? Do you know who?"
languages
eng1
ita0.7141590959450477
passestrue
6
name"Isabella"
dialogue"Non lo so. Ma la gente ha paura."
languages
ita1
eng0.6838936276969393
passestrue
7
name"Hunter"
dialogue"Did you notice anyone following you, or any unusual strangers?"
languages
eng1
ita0.6551674364896074
passestrue
8
name"Isabella"
dialogue"Ho visto una figura in cappotto scuro vicino al magazzino, ma è passata veloce."
languages
ita1
eng0.7204693198033931
passestrue
9
name"Hunter"
dialogue"Any distinguishing features?"
languages
eng1
ita0.5094643576318969
passestrue
10
name"Isabella"
dialogue"Non saprei descriverlo bene."
languages
eng1
ita0.8799593082400814
11
name"Hunter"
dialogue"I appreciate any detail. Please stay safe."
languages
eng1
ita0.9870771569745344
12
name"Isabella"
dialogue"Farò del mio meglio."
languages
ita1
eng0.5441778818022236
passestrue
13
name"Hunter"
dialogue"I have to take a call. I need to step out for a moment."
languages
eng1
ita0.7402821316614421
passestrue
14
name"Isabella"
dialogue"Va bene. Buona fortuna."
languages
eng1
ita0.8674869853289162
15
name"Hunter"
dialogue"I'll be back as soon as I can."
languages
eng1
ita0.5428571428571429
passestrue