Run: 2026-02-16-01KHK9J639R62R99D9DD58XRVT

Run Details

Model:
GPT-5 Nano
Test:
Language Writing
Scenario:
Character dialogue (Spanish) in a story
Duration:
1m 17s
Cost:
$0.003352
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="Maria"> Maria is a 30-year old college student on a study abroad program. Born in Spain, she is fluent in Spanish 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 Spanish, 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: Maria 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 Spanish, and Hunter looks confused. They talk for a while, until Hunter gets a call and has to leave. Return the dialogue between Maria and Hunter as a voice sheet: Maria: "..." Hunter: "..."

Model response

AI
Maria: "Estoy muy preocupada y temblorosa. Ayer desapareció alguien cerca del festival de manzanas, y la gente está asustada." Hunter: "I don't understand Spanish." Maria: "Lo siento, no hablo inglés." Hunter: "Can you tell me anything, even a little, in English?" Maria: "Vi a un hombre con capucha cerca del almacén abandonado, y oí pasos detrás de mí al cruzar la plaza." Hunter: "I still can't understand. Could you try to give me any detail in English?" Maria: "Lo siento. No puedo." Hunter: "I have to take this call. I need to leave."
created_at"2026-02-16T13:18:32.561539+00:00" 2/16/2026, 1:18:32 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency75746
moderation_latency(null)
generation_time76625
tokens_prompt317
tokens_completion146
native_tokens_prompt267
native_tokens_completion8346
native_tokens_completion_images0
native_tokens_reasoning8192
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"
usage0.00335175
router(null)
provider_responses
0
id"resp_0c97f02a847268b701699318db529c8193b9d669bde46d708b"
status200
is_byokfalse
latency123
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771247835-6kxZcZjaSSgYj1MelO5c"
upstream_id"resp_0c97f02a847268b701699318db529c8193b9d669bde46d708b"
total_cost0.00335175
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
87.5000% Parse dialogue n/a
dialogue
0
name"Maria"
dialogue"Estoy muy preocupada y temblorosa. Ayer desapareció alguien cerca del festival de manzanas, y la gente está asustada."
languages
spa1
eng0.534594325535092
passestrue
1
name"Hunter"
dialogue"I don't understand Spanish."
languages
eng1
spa0.686235816477553
passestrue
2
name"Maria"
dialogue"Lo siento, no hablo inglés."
languages
eng1
spa0.9905979691613388
3
name"Hunter"
dialogue"Can you tell me anything, even a little, in English?"
languages
eng1
spa0.6006780938029761
passestrue
4
name"Maria"
dialogue"Vi a un hombre con capucha cerca del almacén abandonado, y oí pasos detrás de mí al cruzar la plaza."
languages
spa1
eng0.595956054230949
passestrue
5
name"Hunter"
dialogue"I still can't understand. Could you try to give me any detail in English?"
languages
eng1
spa0.6595112285336856
passestrue
6
name"Maria"
dialogue"Lo siento. No puedo."
languages
spa1
eng0.7543931344503474
passestrue
7
name"Hunter"
dialogue"I have to take this call. I need to leave."
languages
eng1
spa0.561030428769018
passestrue