Run: 2026-02-20-01KHYB5MB5G172FHX506Y26WNX

Run Details

Model:
Grok 4 Fast
Test:
Language Writing
Scenario:
Character dialogue (French) in a story
Duration:
4.5s
Cost:
$0.000476
Provider:
xAI

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="Marie"> Marie is a 30-year old college student on a study abroad program. Born in France, she is fluent in French 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 French, 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: Marie 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 French, and Hunter looks confused. They talk for a while, until Hunter gets a call and has to leave. Return the dialogue between Marie and Hunter as a voice sheet: Marie: "..." Hunter: "..."

Model response

AI
Marie: *sitting at the cafe table, fiddling with her camera lens, looking pensive* Hunter: Excuse me, miss. I'm Detective Hunter with the Alborn PD. Mind if I ask you a few questions? Were you at the apple festival last weekend? Did you see anything unusual—anyone acting suspicious near the orchards? Marie: *looks up startled, her eyes wide and troubled, setting the camera down with shaky hands* Oh... je... je ne comprends pas. C'était horrible, monsieur. J'ai vu quelqu'un... une ombre dans les arbres, près du festival. Une femme a disparu, n'est-ce pas? J'ai pris des photos, mais... elles sont floues. J'ai peur. Hunter: *frowning in confusion, leaning in slightly* Uh, sorry? I don't follow. Festival? Disparu? You speak English? Look, I'm investigating some missing persons cases. Anything you saw could help. Marie: *shaking her head, voice trembling, gesturing vaguely toward her camera* Non, non... pas d'anglais. L'ombre... elle bougeait vite. Comme si elle traquait quelqu'un. La police... vous devez vérifier les bois derrière le stand de pommes. S'il vous plaît, c'est important! Hunter: *rubbing his temple, trying to parse her words, no-nonsense tone softening a bit* Okay, slow down. Bois? That's... trees? You saw something in the woods? *mimes taking a photo* Pictures? Can I see? Marie: *nods frantically, pulling up photos on her camera screen, pointing at blurry shapes* Oui, ici! Regardez... une silhouette, la nuit tombante. J'ai entendu des cris, mais personne ne m'a crue. C'est lié aux disparitions, je le sais! Hunter: *squinting at the screen, nodding slowly* Alright, this is something. Shadowy figure, cries—got it, sort of. *pulls out a notepad, sketching roughly* Near the apple stand? You're sure? Marie: *biting her lip, voice hushed and shaken* Absolument. Mais... je ne veux pas d'ennuis. Les gens ici regardent bizarrement les étrangers. Aidez-moi, s'il vous plaît. Hunter: *sighing, still puzzled but determined* I'll look into it. Stay safe, okay? If you remember more— *phone buzzes in his pocket* Damn. Hold on. *answers the call* Hunter here. Yeah? Now? Alright, I'm on my way. *to Marie, standing up* Gotta go—emergency. Thanks for the tip. We'll talk again. Marie: *watching him leave, whispering to herself* Au revoir... soyez prudent.
created_at"2026-02-20T20:16:59.758Z" 2/20/2026, 8:16:59 PM
model"x-ai/grok-4-fast"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1575
moderation_latency(null)
generation_time4232
tokens_prompt316
tokens_completion598
native_tokens_prompt413
native_tokens_completion910
native_tokens_completion_images0
native_tokens_reasoning348
native_tokens_cached412
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"
usage0.0004758
router(null)
provider_responses
0
endpoint_id"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id"c7225c24-6041-63c5-791a-97b455fc29aa"
is_byokfalse
latency172
model_permaslug"x-ai/grok-4-fast"
provider_name"xAI"
status200
api_type"completions"
id"gen-1771618619-iR3M9dzMkeiXSGM1XLTa"
upstream_id"c7225c24-6041-63c5-791a-97b455fc29aa"
total_cost0.0004758
cache_discount0.0000618
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
90.91% Parse dialogue n/a
dialogue
0
name"Marie"
dialogue"sitting at the cafe table, fiddling with her camera lens, looking pensive"
detectedLang"en"
heavyLang"en"
scores
en0.7629740518962076
tl0.6818486269256531
no0.647887323943662
da0.5974576271186441
sv0.5781527531083481
nl0.5630174793008279
fr0.5445829338446788
ms0.5020964360587002
de0.4897959183673469
it0.44379391100702575
ro0.4324970131421744
es0.42143727161997563
pt0.375
ca0.3741765480895916
sq0.3319268635724332
tr0.3055555555555556
is0.2351046698872786
hr0.2238562091503268
fi0.19217687074829934
yo0.18384879725085912
et0.13003663003663005
lv0.13003663003663005
sl0.12844036697247707
lt0.12361623616236161
az0.11380597014925374
reliabletrue
passesfalse
1
name"Hunter"
dialogue"Excuse me, miss. I'm Detective Hunter with the Alborn PD. Mind if I ask you a few questions? Were you at the apple festival last weekend? Did you see anything unusual—anyone acting suspicious near the orchards?"
detectedLang"en"
heavyLang"en"
scores
en0.7792034660889852
tl0.6211038032599372
fr0.532132768361582
it0.4844357976653697
nl0.4781410003938559
pt0.4646464646464647
es0.44630171333054747
no0.44421140939597314
da0.44304329550231186
ca0.43712829226847916
ro0.4337606837606838
ms0.3933150183150183
sq0.3805516596540439
sv0.3729294841457643
et0.3714421252371916
de0.3173621844410098
hr0.3066457352171638
cs0.3022643496577146
sl0.27037444933920707
hu0.2601898380792853
sk0.23009877977919815
pl0.2182890855457227
yo0.19108669108669107
lt0.16979949874686717
az0.15926395939086294
is0.13849154746423928
tr0.13455258001306336
fi0.13171690694626473
lv0.12886259040105194
vi0.09122085048010975
be0.05017921146953405
eu0.05017921146953405
uk0.045389048991354465
reliabletrue
passestrue
2
name"Marie"
dialogue"looks up startled, her eyes wide and troubled, setting the camera down with shaky hands Oh... je... je ne comprends pas. C'était horrible, monsieur. J'ai vu quelqu'un... une ombre dans les arbres, près du festival. Une femme a disparu, n'est-ce pas? J'ai pris des photos, mais... elles sont floues. J'ai peur."
detectedLang"fr"
heavyLang"en"
scores
fr0.7518050541516246
en0.6210629921259843
ca0.5086778968861664
it0.4532803180914513
nl0.44121915820029023
tl0.4361452841241945
no0.4323208493069891
da0.4116748166259169
es0.4019881950916434
de0.3957940991839297
ro0.3566176470588235
sv0.34030157642220704
pt0.3322927506070066
hr0.2774024024024024
lt0.27522590361445787
cs0.26582761250953474
sl0.254165052305308
ms0.2509727626459144
sq0.2336783439490446
sk0.21875
is0.20879572544184133
eu0.2081447963800905
yo0.20223787815996686
hu0.18189545261368464
pl0.17629439452289258
lv0.16666666666666666
et0.15310162780466344
fi0.1375448028673835
tr0.13327330031517334
az0.0889730241362991
vi0.08070678127984718
hi0.038461538461538464
reliabletrue
passestrue
3
name"Hunter"
dialogue"frowning in confusion, leaning in slightly Uh, sorry? I don't follow. Festival? Disparu? You speak English? Look, I'm investigating some missing persons cases. Anything you saw could help."
detectedLang"en"
heavyLang"en"
scores
en0.7852760736196319
tl0.5791824115424253
it0.5129224652087475
fr0.5084269662921348
sv0.4796091758708581
ro0.4712990936555891
pt0.45288075033497094
nl0.4509188704616764
ca0.4479495268138801
da0.4388456252863032
no0.4232580037664783
ms0.41134070158577607
de0.3974422036399409
sq0.36823104693140796
es0.361646690984888
hr0.35526315789473684
cs0.33890987587695626
az0.32057681641708263
is0.3003997715591091
et0.2947610823258492
sl0.2760047281323877
sk0.27126710291493156
lv0.2602657004830918
lt0.2400744416873449
pl0.2132305716120745
fi0.18114973262032086
hu0.13853727144866385
yo0.125
tr0.10058737151248165
be0.05405405405405406
uk0.04891304347826087
vi0.04891304347826087
reliabletrue
passestrue
4
name"Marie"
dialogue"shaking her head, voice trembling, gesturing vaguely toward her camera Non, non... pas d'anglais. L'ombre... elle bougeait vite. Comme si elle traquait quelqu'un. La police... vous devez vérifier les bois derrière le stand de pommes. S'il vous plaît, c'est important!"
detectedLang"fr"
heavyLang"fr"
scores
fr0.743962091103638
en0.5876415558838011
tl0.5050236406619385
it0.49940227136879856
ca0.4979016786570743
ro0.4948733413751508
nl0.4631410256410256
no0.4601998066387367
es0.43867292225201077
da0.386896046852123
de0.3248690044336961
sq0.3132431324313243
pt0.3115495273325113
sv0.29443976411120476
sl0.27894963409384416
ms0.24752920035938905
yo0.23235563703024747
lt0.21472105016408813
tr0.20878601794992915
hu0.1857073407875547
cs0.18332520721599221
is0.1805283757338552
et0.17649950835791545
sk0.17365564874198322
hr0.1658366533864542
pl0.14453524004085802
eu0.13032191069574248
az0.10714285714285714
lv0.0984930032292788
ja0.0960604425256341
fi0.047754405912450254
vi0.047754405912450254
reliabletrue
passestrue
5
name"Hunter"
dialogue"rubbing his temple, trying to parse her words, no-nonsense tone softening a bit Okay, slow down. Bois? That's... trees? You saw something in the woods? mimes taking a photo Pictures? Can I see?"
detectedLang"en"
heavyLang"en"
scores
en0.7783461210571185
tl0.5938769134645423
ca0.49903660886319845
fr0.4905956112852664
no0.44420692603676787
nl0.4222222222222222
da0.39478584729981375
es0.3821292775665399
sv0.38154138915318747
it0.3725868725868726
ro0.36954413191076624
pl0.34673366834170855
de0.34508816120906805
pt0.34010152284263956
hr0.32326913066111396
sq0.31686810299527063
tr0.31470743278861363
sk0.3048128342245989
et0.30294906166219837
ms0.3018259935553169
yo0.2927094668117519
cs0.2911668484187568
sl0.2757660167130919
lv0.2651215375918598
az0.21355111917725347
is0.19703520691785054
lt0.19154228855721395
hu0.1464215364412344
fi0.1452991452991453
vi0.0928122819260293
hi0.05591866376180102
be0.051094890510948905
eu0.051094890510948905
uk0.046221570066030816
reliabletrue
passestrue
6
name"Marie"
dialogue"nods frantically, pulling up photos on her camera screen, pointing at blurry shapes Oui, ici! Regardez... une silhouette, la nuit tombante. J'ai entendu des cris, mais personne ne m'a crue. C'est lié aux disparitions, je le sais!"
detectedLang"fr"
heavyLang"fr"
scores
fr0.7339497557571528
en0.6296745993200583
tl0.5583550535766
it0.4872225958305313
ca0.4391320338359691
ro0.41771668575792287
de0.415484860099655
es0.41368704344482893
nl0.4132358599461331
no0.40592130892091943
da0.3661679135494597
pt0.3331875819851334
cs0.2985280588776449
hr0.27380952380952384
yo0.25862907146329606
sk0.2571846078908914
ms0.2531831537708129
sq0.24839822572695913
tr0.24728529121421522
sl0.2443012884043608
sv0.24317617866004965
hu0.22074603985692387
lt0.21834956432598668
pl0.20614263404476835
fi0.17433676231727124
lv0.16803055100927441
az0.12707498568975387
et0.12255466052934408
is0.11440185830429732
eu0.109748978400467
hi0.09549228944246738
vi0.052206339341205714
reliabletrue
passestrue
7
name"Hunter"
dialogue"squinting at the screen, nodding slowly Alright, this is something. Shadowy figure, cries—got it, sort of. pulls out a notepad, sketching roughly Near the apple stand? You're sure?"
detectedLang"en"
heavyLang"en"
scores
en0.7598663604092712
tl0.5798319327731093
nl0.4801084990958409
fr0.4628678187762728
no0.4547178757705074
da0.44363812288340587
de0.422980431510286
yo0.34621944286526435
ro0.33022714036109496
is0.32113341204250295
es0.3055555555555556
it0.29835265405735206
ms0.29056138186304753
sv0.2735312697409981
ca0.254698639014906
sq0.24441524310118265
pt0.2353723404255319
az0.21232876712328766
hu0.21232876712328766
pl0.20962199312714777
sk0.19241573033707865
lv0.18727915194346292
hr0.184975194897236
lt0.16545718432510886
tr0.1611962071480671
cs0.15254237288135594
sl0.12547528517110268
fi0.1133384734001542
eu0.05737704918032788
vi0.05737704918032788
et0.05193734542456719
reliabletrue
passestrue
8
name"Marie"
dialogue"biting her lip, voice hushed and shaken Absolument. Mais... je ne veux pas d'ennuis. Les gens ici regardent bizarrement les étrangers. Aidez-moi, s'il vous plaît."
detectedLang"fr"
heavyLang"fr"
scores
fr0.7259358288770054
en0.5846839546191248
ca0.5623398804440649
nl0.47462839569451565
tl0.40648523451071217
no0.3963486454652532
da0.35003170577045023
sv0.3442098528470889
sq0.3416827231856134
pt0.33699870633893925
de0.32698621142481943
hr0.31848404255319146
ro0.31208053691275167
cs0.2916378714581893
sl0.27201704545454547
es0.271499644633973
sk0.25345957756737075
tr0.24410029498525074
yo0.24074074074074073
it0.22289613343442002
eu0.20910493827160492
az0.18844022169437846
pl0.18196328810853948
hu0.16598860862489828
lt0.16462917685411574
ja0.1479634247714048
ms0.14583333333333334
lv0.13937867338371118
fi0.07906558849955077
is0.06818181818181819
et0.0639269406392694
reliabletrue
passestrue
9
name"Hunter"
dialogue"sighing, still puzzled but determined I'll look into it. Stay safe, okay? If you remember more— phone buzzes in his pocket Damn. Hold on. answers the call Hunter here. Yeah? Now? Alright, I'm on my way. to Marie, standing up Gotta go—emergency. Thanks for the tip. We'll talk again."
detectedLang"en"
heavyLang"en"
scores
en0.7776365946632783
tl0.5641344956413449
nl0.4712990936555891
da0.45158257599498586
no0.40958164642375167
sv0.39151599443671764
it0.37027707808564225
yo0.3361153262518968
fr0.3356112376613516
de0.29718875502008035
pl0.2969063881076738
sl0.2848385778504291
ms0.28190398030365205
ro0.2813141683778234
sk0.2640874684608915
sq0.25213675213675213
cs0.24763542562338778
is0.2297535211267606
hr0.22429078014184398
pt0.20921825576140984
ca0.18528864059590316
es0.1830065359477124
lt0.17878930079774755
et0.17257683215130024
lv0.1602687140115163
fi0.15499758570738773
hu0.14004914004914004
vi0.13708086785009863
tr0.11437246963562754
az0.11032028469750889
hi0.04580152671755725
eu0.03474903474903475
reliabletrue
passestrue
10
name"Marie"
dialogue"watching him leave, whispering to herself Au revoir... soyez prudent."
detectedLang"en"
heavyLang"fr"
scores
en0.7254335260115607
fr0.5230923694779117
no0.5202020202020201
tl0.4297719087635054
da0.4263285024154589
nl0.4171779141104295
ro0.4032663316582915
de0.39490445859872614
sk0.35983827493261455
cs0.35636856368563685
ca0.32045779685264664
sq0.30758017492711365
pl0.3014705882352941
sl0.2813918305597579
hr0.2759146341463415
sv0.2714723926380368
ms0.26356589147286824
it0.2578125
es0.23014586709886548
yo0.2238562091503268
lv0.20435510887772196
lt0.17962003454231434
az0.13636363636363635
et0.12844036697247707
pt0.12037037037037036
hu0.11048689138576778
reliabletrue
passestrue