Run: 2026-02-20-01KHY7MDZYY4NH2RN3H3BVZQJY

Run Details

Model:
Grok 4 Fast
Test:
Language Writing
Scenario:
Character dialogue (Italian) in a story
Duration:
5.8s
Cost:
$0.000502
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
80.00% 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

AI
Isabella: *sitting at the cafe table, fiddling with her camera lens, glancing nervously around the quiet Alborn street* Hunter: *approaching the table, flashing his badge subtly* Excuse me, miss. I'm Detective Hunter with the Alborn PD. Mind if I ask you a few questions? We're looking into that disappearance from the apple festival last weekend—the one with the vendor who vanished. Did you see anything unusual that night? Maybe with your camera? Isabella: *looking up startled, her hands trembling slightly on the camera* Io... io ho visto qualcosa di strano. C'era un uomo, vicino al chiosco delle mele, parlava con qualcuno nell'ombra. Sembrava spaventato, poi è scomparso. Non riesco a togliermelo dalla testa! Hunter: *blinking, tilting his head* Uh... sorry, what? I didn't catch that. You speak English? Can you repeat it slower? This is important—anything about the festival? Isabella: *shaking her head, voice rising with agitation, gesturing wildly at her camera* No, no inglese! Ho foto... ombre, luci strane. Qualcuno lo ha preso! Per favore, aiutatemi a capire, è orribile! Hunter: *frowning deeply, rubbing his chin, clearly frustrated but trying to stay calm* Okay, okay, slow down. Foto? Is that... pictures? You took photos? *mimes taking a picture* Can I see? Show me the camera? Isabella: *nodding vigorously, pulling up photos on her camera screen, pointing at blurry shadows* Sì, sì! Qui, guarda—l'uomo sparisce. Ombre... movimento. Ho paura, detective. Qualcun altro? Hunter: *leaning in to peer at the screen, squinting* Huh. Yeah, that's... shadowy. Looks like it could be something. *straightens up, pulling out a notepad* Alright, if you could just—wait, damn it. *his phone buzzes insistently* Hold on, I gotta take this. *steps away briefly* Hunter here... Yeah? Now? Shit, alright, on my way. Isabella: *watching him anxiously* Aspetta... detective? Hunter: *pocketing his phone, giving her a nod* I'll be back. Don't go anywhere—we need to figure this out. Stay safe. *hurries off toward his car*
created_at"2026-02-20T19:15:10.475Z" 2/20/2026, 7:15:10 PM
model"x-ai/grok-4-fast"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2679
moderation_latency(null)
generation_time5577
tokens_prompt321
tokens_completion530
native_tokens_prompt417
native_tokens_completion882
native_tokens_completion_images0
native_tokens_reasoning388
native_tokens_cached151
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"
usage0.00050175
router(null)
provider_responses
0
endpoint_id"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id"b48a1ca5-a9d5-1aa1-ce3b-084d2fbb4e99"
is_byokfalse
latency576
model_permaslug"x-ai/grok-4-fast"
provider_name"xAI"
status200
api_type"completions"
id"gen-1771614910-7MDVqTu9haAuW3FCD7ly"
upstream_id"b48a1ca5-a9d5-1aa1-ce3b-084d2fbb4e99"
total_cost0.00050175
cache_discount0.00002265
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
80.00% Parse dialogue n/a
dialogue
0
name"Isabella"
dialogue"sitting at the cafe table, fiddling with her camera lens, glancing nervously around the quiet Alborn street"
detectedLang"en"
heavyLang"en"
scores
en0.7194272445820433
tl0.6182201158504477
no0.5227123107307439
da0.49582753824756604
sv0.4765342960288808
nl0.4499241274658573
ms0.41104792851340366
fr0.40329218106995884
es0.37337942955920483
de0.34150772025431425
ro0.32808155699721964
tr0.3022136669874879
sq0.28641732283464566
it0.28430404738400794
ca0.22126745435016112
hr0.21281216069489683
sl0.1637831603229527
is0.1559953434225844
fi0.13484486873508353
yo0.12860576923076922
sk0.1060419235511714
pt0.0845959595959596
pl0.0799492385786802
cs0.07525510204081631
et0.07525510204081631
lt0.07525510204081631
lv0.07525510204081631
reliabletrue
passesfalse
1
name"Hunter"
dialogue"approaching the table, flashing his badge subtly Excuse me, miss. I'm Detective Hunter with the Alborn PD. Mind if I ask you a few questions? We're looking into that disappearance from the apple festival last weekend—the one with the vendor who vanished. Did you see anything unusual that night? Maybe with your camera?"
detectedLang"en"
heavyLang"en"
scores
en0.7784555184716309
tl0.5549132947976878
fr0.512781574284991
it0.47718631178707227
nl0.4258872651356994
es0.40604751619870405
da0.38321050945209867
sq0.37843073942525024
ca0.3729641693811075
pt0.37029767746156367
no0.34966216216216217
ro0.3387152181380969
de0.33620689655172414
ms0.3290345067967933
sv0.30904522613065327
sl0.29590343818580833
et0.2891432791728213
hr0.2763157894736842
cs0.24980514419329694
hu0.22597507036590272
pl0.19185558354324098
sk0.19117647058823528
yo0.18810628426824125
tr0.1309255079006772
lt0.12340619307832423
az0.11534926470588236
is0.0979381443298969
fi0.09454374412041393
lv0.0924092409240924
vi0.06462585034013606
be0.03508771929824561
eu0.03508771929824561
uk0.03169014084507043
reliabletrue
passestrue
2
name"Isabella"
dialogue"looking up startled, her hands trembling slightly on the camera Io... io ho visto qualcosa di strano. C'era un uomo, vicino al chiosco delle mele, parlava con qualcuno nell'ombra. Sembrava spaventato, poi è scomparso. Non riesco a togliermelo dalla testa!"
detectedLang"it"
heavyLang"it"
scores
it0.7518268302771267
en0.5564317397732873
ca0.48674080410607357
fr0.4846836530203264
es0.4630071599045346
tl0.4296577946768061
no0.4276629570747218
nl0.3935309973045822
da0.39271255060728744
de0.3822923816060398
ro0.3708493533729465
sk0.3677555321390938
pt0.3610223642172524
sv0.35368043087971274
sl0.3529834651329979
ms0.32254422280767786
hr0.3176648976497347
cs0.29879236462797043
is0.286563614744352
fi0.28372463191404695
yo0.2733144933387162
lv0.27125506072874495
et0.2503123698458975
sq0.225473321858864
pl0.2129427197201574
lt0.19893190921228304
eu0.19390953873712496
tr0.17393299678751722
vi0.1420400381315539
hu0.13875598086124402
az0.09954977488744372
hi0.0445859872611465
reliabletrue
passestrue
3
name"Hunter"
dialogue"blinking, tilting his head Uh... sorry, what? I didn't catch that. You speak English? Can you repeat it slower? This is important—anything about the festival?"
detectedLang"en"
heavyLang"en"
scores
en0.8059866962305987
tl0.6220302375809936
no0.4640122511485452
ca0.43396226415094336
it0.41666666666666663
fr0.40644431882419446
sv0.4050991501416431
pt0.4040862656072645
ro0.40273037542662116
nl0.40102681118083283
da0.39999999999999997
sq0.3617021276595745
ms0.3217054263565891
hr0.3132766514061478
de0.31237721021611
es0.3027888446215139
yo0.27083333333333337
is0.26419060967063773
cs0.2605633802816902
lt0.24242424242424243
hu0.21524663677130043
lv0.21524663677130043
et0.20634920634920634
az0.19724770642201836
tr0.17776037588097104
sk0.15322580645161288
pl0.15254237288135594
sl0.15117219078415522
be0.0625
fi0.05660377358490566
uk0.05660377358490566
vi0.05660377358490566
reliabletrue
passestrue
4
name"Isabella"
dialogue"shaking her head, voice rising with agitation, gesturing wildly at her camera No, no inglese! Ho foto... ombre, luci strane. Qualcuno lo ha preso! Per favore, aiutatemi a capire, è orribile!"
detectedLang"it"
heavyLang"it"
scores
it0.7033697199810157
en0.6680828465215083
ca0.5698554714384033
no0.5589273112208892
tl0.55500177999288
es0.5325355272999251
fr0.5136186770428015
pt0.5005992808629643
nl0.49899799599198397
ro0.4957644211375554
de0.48517298187808894
da0.46808510638297873
sv0.4271310724106325
sk0.39584340260995654
hr0.3586454592098512
yo0.34895833333333337
sl0.3379237288135593
ms0.3343982960596379
sq0.324689357104268
et0.3202827623708537
cs0.2917847025495751
lv0.2807825086306099
is0.26210153482880755
tr0.26122931442080377
eu0.21135646687697163
pl0.20432845321451304
fi0.18513689700130379
hu0.1819371727748691
lt0.17600527356624918
az0.1749174917491749
ja0.12464985994397759
vi0.11410347271438698
zh0.058025621703089676
reliabletrue
passestrue
5
name"Hunter"
dialogue"frowning deeply, rubbing his chin, clearly frustrated but trying to stay calm Okay, okay, slow down. Foto? Is that... pictures? You took photos? mimes taking a picture Can I see? Show me the camera?"
detectedLang"en"
heavyLang"en"
scores
en0.7824476948713202
tl0.5985650837034506
fr0.4961406518010291
nl0.4676030811055732
no0.4431279620853081
ca0.43618042226487524
da0.38190426091530777
sv0.37299893276414087
et0.37232905982905984
it0.3713215623327982
ro0.3655507559395248
pt0.3610657966286025
yo0.3529735682819383
sq0.3515452538631346
pl0.33728144388042863
sl0.3327654741624077
hr0.3285714285714286
cs0.3258749282845669
de0.3208092485549133
es0.31646305991855733
sk0.3160651920838184
lv0.31286549707602335
is0.2857142857142857
lt0.25206874602164225
hu0.24291237113402062
ms0.24193548387096775
tr0.20875420875420878
az0.18628808864265928
fi0.1564967695620962
hi0.13284132841328414
eu0.10168195718654435
vi0.10168195718654435
be0.05622489959839357
uk0.050888529886914384
reliabletrue
passestrue
6
name"Isabella"
dialogue"nodding vigorously, pulling up photos on her camera screen, pointing at blurry shadows Sì, sì! Qui, guarda—l'uomo sparisce. Ombre... movimento. Ho paura, detective. Qualcun altro?"
detectedLang"it"
heavyLang"it"
scores
it0.6875
en0.6694214876033058
tl0.6087381806325399
ca0.5332555425904317
fr0.4805194805194805
pt0.4550408719346049
no0.4457274826789838
es0.4171928120446819
ro0.39148073022312374
nl0.3795243019648397
da0.3775933609958506
de0.37694704049844235
cs0.25788497217068646
sv0.25280199252801994
lt0.2523364485981308
ms0.23273657289002556
sk0.2312620115310698
tr0.2125984251968504
hr0.19786096256684493
yo0.1683991683991684
fi0.16317991631799164
is0.15789473684210525
az0.14893617021276595
pl0.12790697674418602
sq0.12023460410557184
hi0.11829537105069801
et0.1137370753323486
eu0.0704879938032533
lv0.05586152635719906
sl0.05288082083662194
reliabletrue
passestrue
7
name"Hunter"
dialogue"leaning in to peer at the screen, squinting Huh. Yeah, that's... shadowy. Looks like it could be something. straightens up, pulling out a notepad Alright, if you could just—wait, damn it. his phone buzzes insistently Hold on, I gotta take this. steps away briefly Hunter here... Yeah? Now? Shit, alright, on my way."
detectedLang"en"
heavyLang"en"
scores
en0.7803632909889588
tl0.5744191396365309
da0.4592224495761474
no0.45827232796486095
sv0.43939393939393934
nl0.42671211651688873
it0.3578618535230822
de0.35741576936436265
fr0.33357348703170026
pl0.32506384531192994
yo0.3206022769004774
ro0.299772899318698
cs0.2903720751822018
sq0.28873510188389084
hr0.2879137798306389
ms0.26790660862683024
sk0.2632417363600159
ca0.2620662145991225
sl0.2608869356771874
lv0.24428104575163398
lt0.2393092105263158
az0.22203532380151386
et0.22072451558550968
fi0.21142369991474852
pt0.20532646048109965
hu0.1949521322889469
es0.1860976682798064
is0.17410714285714285
tr0.156021897810219
vi0.12570888468809074
eu0.06894816305988928
hi0.043433298862461216
be0.03645833333333333
uk0.032932566649242025
reliabletrue
passestrue
8
name"Isabella"
dialogue"watching him anxiously Aspetta... detective?"
detectedLang"en"
heavyLang"en"
scores
en0.7821350762527233
it0.6057818659658344
ro0.5184590690208668
tl0.5176848874598071
fr0.46808510638297873
ca0.455535390199637
es0.453551912568306
pt0.44547134935304994
sv0.3684210526315789
sq0.35344827586206895
de0.35064935064935066
ms0.34497816593886466
is0.3087557603686636
fi0.2647058823529412
da0.21875
nl0.21465968586387435
no0.21052631578947367
cs0.1935483870967742
hr0.18256130790190736
sl0.18256130790190736
reliabletrue
passesfalse
9
name"Hunter"
dialogue"pocketing his phone, giving her a nod I'll be back. Don't go anywhere—we need to figure this out. Stay safe. hurries off toward his car"
detectedLang"en"
heavyLang"en"
scores
en0.802393857271906
tl0.5544806517311609
nl0.4170552964690207
no0.410377358490566
fr0.39193884642112575
pl0.39151599443671764
da0.3763364219529579
yo0.37230989956958394
de0.3366186504927976
ro0.2874592833876221
pt0.28687856560717195
cs0.27924217462932455
ca0.2647058823529412
lt0.25404944586530265
hr0.25213675213675213
tr0.24763542562338778
hu0.2378048780487805
sk0.23043095866314864
it0.2297535211267606
sq0.20598911070780399
sl0.19429097605893186
vi0.1883116883116883
et0.1875580315691736
es0.18680297397769516
eu0.1822429906542056
lv0.17994376757263356
ms0.14965986394557826
is0.14634146341463414
sv0.1404715127701375
az0.07407407407407407
fi0.06716417910447761
reliabletrue
passestrue