NC Bench
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Run: 2026-02-20-01KHXPHQKYKAFAM14M6043AYZJ
Run Details
Model:
Mistral Medium 3.1
Test:
Language Writing
Scenario:
Character dialogue (Italian) in a story
Duration:
17.0s
Cost:
$0.001933
Provider:
Mistral
Evaluation summary
Score
Evaluator
Details Link
90.91%
Parse dialogue
(details)
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
Messages
Meta
AI
Here’s the dialogue formatted as a **voice sheet** for your cozy mystery scene, capturing the tension, language barrier, and underlying unease between Isabella and Hunter. --- ### **Scene: The Café in Alborn, MN** *Setting: A quiet, rustic café with the hum of distant conversation. Isabella sits alone at a corner table, her camera in hand, scrolling through photos with a furrowed brow. Hunter approaches, his expression serious. He pulls out the chair across from her without asking—polite but authoritative.* --- ### **Voice Sheet: Isabella & Hunter** **Hunter:** *(firm, no-nonsense, leaning slightly forward)* "Miss, I’m Detective Hunter. Mind if I ask you a few questions?" **Isabella:** *(startled, gripping her camera tighter, responding in rapid Italian)* "Mi scusi, non parlo inglese. Che cosa vuole? Io non c’entro niente con… con quello che è successo!" *(Glances around nervously, voice shaking.)* **Hunter:** *(frowning, straightening up)* "Look, I don’t know what you just said, but I need you to—" *(pauses, realizing the language barrier)* "You don’t speak English?" **Isabella:** *(frustrated, gesturing with her hands)* "No, no inglese! *Per favore*, lasciami in pace!" *(She clutches her camera closer, as if protecting it—or hiding something.)* **Hunter:** *(exhales sharply, rubbing his temple—this isn’t how interrogations usually go)* "Okay, okay. Let me try this." *(Pulls out his phone, opens a translation app, types slowly.)* "Did. You. See. Anything. Strange. Last. Night?" *(Shows her the screen. Isabella reads it, her face paling.)* **Isabella:** *(whispering, horrified)* "*Dio mio…*" *(She shakes her head violently, then stops—like she’s caught herself.)* "*No… io… io ero a casa. Non ho visto nulla.*" *(Lies poorly; her fingers tremble around her camera strap.)* **Hunter:** *(eyes narrowing—he doesn’t need to speak Italian to recognize a lie)* "Right. ‘Nothing.’" *(Leans in slightly, voice dropping to a growl.)* "Funny how everyone in this town says that right before they—" *(His phone rings. He checks the caller ID, curses under his breath.)* "I’ve gotta take this. But we’re *not* done." *(Stands abruptly, points at her.)* "Don’t leave town." **Isabella:** *(muttering as he walks away, half to herself)* "*Che disastro… che disastro…*" *(She quickly tucks her camera into her bag, hands shaking, and glances toward the door—like she’s considering running.)* *(Hunter answers the call, already striding out of the café. His last words carry back to her, sharp and warning:)* **Hunter:** *(into the phone, but loud enough for her to hear)* "Yeah, I’ve got a lead. Italian girl, twenties, at the café. *Something’s* off about her." *(Isabella’s breath hitches. The camera in her bag *clicks*—she didn’t turn it off properly. A single, blurred photo from last night flashes on the screen: a shadowy figure near the old apple orchard.)* --- ### **End Scene.** --- ### **Notes for Tone & Delivery:** - **Isabella:** Starts **flustered**, grows **increasingly panicked**—her Italian should be rapid, emotional, with a **quivering edge**. The lie ("*I was at home*") is **too quick, too defensive**. - **Hunter:** **Controlled frustration**—he’s used to getting answers, not language barriers. His voice **drops to a threat** when he suspects she’s hiding something. - **Subtext:** Isabella *knows* something. The **camera is key**—either as evidence or her alibi. Hunter’s instincts are **pinging hard** on her. Would you like any adjustments to heighten the mystery or foreshadowing? (E.g., a specific detail in the photo, or Hunter noticing something about her camera?)
created_at
"2026-02-20T14:16:36.235Z"
2/20/2026, 2:16:36 PM
model
"mistralai/mistral-medium-3.1"
3/1/2001, 12:00:00 AM
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2008
moderation_latency
(null)
generation_time
16933
tokens_prompt
321
tokens_completion
981
native_tokens_prompt
277
native_tokens_completion
911
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.0019328
router
(null)
provider_responses
0
endpoint_id
"13c5002b-8c5b-490c-8a5f-52ec0242804f"
id
"2bafe1e4054f4ac7bebdc9e9aa5e85dc"
is_byok
false
latency
2008
model_permaslug
"mistralai/mistral-medium-3.1"
3/1/2001, 12:00:00 AM
provider_name
"Mistral"
status
200
api_type
"completions"
id
"gen-1771596996-ns7vLF4NGLvKHADyINwR"
upstream_id
"2bafe1e4054f4ac7bebdc9e9aa5e85dc"
total_cost
0.0019328
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Mistral"
Evaluation details
Result
Evaluator
Details
Meta Data
90.91%
Parse dialogue
n/a
dialogue
0
name
"Hunter"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
1
name
"Isabella"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
2
name
"Hunter"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
3
name
"Isabella"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
4
name
"Hunter"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
5
name
"Isabella"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
6
name
"Hunter"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
7
name
"Isabella"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
8
name
"Hunter"
dialogue
"**"
detectedLang
""
heavyLang
""
scores
reliable
false
passes
true
9
name
"Isabella"
dialogue
"Starts flustered, grows increasingly panicked—her Italian should be rapid, emotional, with a quivering edge. The lie is too quick, too defensive."
detectedLang
"en"
heavyLang
"en"
scores
en
0.7829861111111112
nl
0.5320542817033225
tl
0.5171414775470787
da
0.5107632093933464
ro
0.497991967871486
no
0.44933920704845814
fr
0.44320712694877507
sv
0.43851768669286917
de
0.4298745724059293
it
0.42954934398174555
pt
0.3986770895971136
ca
0.38461538461538464
yo
0.3706733794839521
es
0.37027707808564225
ms
0.3476842791911285
sq
0.3346640053226879
tr
0.33244325767690247
hu
0.33065595716198126
sk
0.3127147766323024
fi
0.30362116991643456
cs
0.3006993006993007
lt
0.2826398852223816
is
0.26144756277695713
et
0.25205684367988035
az
0.24585218702865763
sl
0.23954372623574144
hr
0.23371647509578544
pl
0.220576773187841
eu
0.13644214162348878
lv
0.1289198606271777
vi
0.06542056074766354
reliable
true
passes
false
10
name
"Hunter"
dialogue
"Controlled frustration—he’s used to getting answers, not language barriers. His voice drops to a threat when he suspects she’s hiding something."
detectedLang
"en"
heavyLang
"en"
scores
en
0.802732871439569
tl
0.6104142911440517
fr
0.5415921288014311
nl
0.5160528800755431
ro
0.47837150127226463
da
0.4544970729111229
pt
0.4380482456140351
es
0.4371224601867106
no
0.4166192373363688
ca
0.4162870159453303
it
0.40990213010938403
de
0.3938497930218805
yo
0.3927725118483412
ms
0.35776942355889724
sv
0.3157543391188251
sk
0.3116185359301545
hr
0.29114799446749656
cs
0.27510608203677517
lt
0.26994301994301995
pl
0.2631200575125809
is
0.26258992805755393
sq
0.2588575560375994
lv
0.236783320923306
eu
0.23278443113772454
tr
0.21934501142421936
sl
0.20849420849420847
fi
0.18715305313243455
et
0.16869424168694241
ja
0.1479634247714048
hu
0.13209144792548688
az
0.11178509532062392
zh
0.06987295825771324
vi
0.0639269406392694
reliable
true
passes
true