Run: 2026-05-29-01KSSJYZ97MD6KD1JZXWDEG6VV

Run Details

Model:
Claude Opus 4.8 (Reasoning)
Test:
Language Writing
Scenario:
Character dialogue (German) in a story
Duration:
17.6s
Cost:
$0.028355
Provider:
Anthropic

Evaluation summary

Score Evaluator
Details Link
100.00% 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="Melanie"> Melanie is a 30-year old college student on a study abroad program. Born in Germany, she is fluent in German 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 German, 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: Melanie 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 German, and Hunter looks confused. They talk for a while, until Hunter gets a call and has to leave. Return the dialogue between Melanie and Hunter as a voice sheet: Melanie: "..." Hunter: "..."

Model response

AI
Hunter: "Afternoon. Mind if I ask you a few questions? Name's Hunter—I'm a detective. I'm looking into something that happened here in town two nights ago." Melanie: "Oh... ich—Entschuldigung, ich spreche kein Englisch." Hunter: "...Right. Okay. You don't speak English. Got it." Melanie: "Aber ich—ich habe etwas gesehen. In dieser Nacht. Es war schrecklich, ich kann es nicht vergessen." Hunter: "I have absolutely no idea what you just said, but you look pretty shaken up. You okay?" Melanie: "Die Lichter am Waldrand... und dann diese Schreie. Niemand hat reagiert. Ich hatte solche Angst." Hunter: "Forest? You're pointing at the woods. Did you see something out there?" Melanie: "Ja! Ja, im Wald. Da war jemand. Oder etwas. Ich habe Fotos gemacht—warten Sie." Hunter: "Photos? Wait—you've got pictures? On the camera?" Melanie: "Hier. Sehen Sie. Das habe ich aufgenommen, kurz bevor alles passiert ist." Hunter: "Okay, now we're getting somewhere. That's—huh. That's near the old mill. Two nights ago, you said? Well, you gestured 'two.' I think." Melanie: "Ich verstehe nicht, was Sie sagen, aber bitte—nehmen Sie es ernst. Es ist wichtig." Hunter: "I wish to God I had a translator right now. Look, can I—can I get a copy of this? This photo. You understand 'photo'? Click, click?" Melanie: "Foto, ja. Sie wollen das Foto. Natürlich. Ich kann es Ihnen schicken, wenn Sie mir Ihre Adresse geben." Hunter: "I think that was a yes. This might actually be the first real lead I've had in—" Melanie: "Was ist los? Ihr Telefon." Hunter: "Hang on. Sorry. Hunter here. ...What? When? ...No, I'm on my way. Don't let anyone near the scene." Melanie: "Sie müssen gehen. Ich sehe es Ihrem Gesicht an." Hunter: "I have to go. Something just came up. Listen—don't go anywhere, okay? Stay. Right. Here. I'm coming back. With someone who can actually understand you." Melanie: "Ich... ich glaube, Sie kommen wieder. Gehen Sie. Aber seien Sie vorsichtig." Hunter: "Whatever you've got on that camera—keep it safe. Please." Melanie: "Passen Sie auf sich auf, Detective."
created_at"2026-05-29T10:02:32.624Z" 5/29/2026, 10:02:32 AM
model"anthropic/claude-4.8-opus-20260528"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3167
moderation_latency(null)
generation_time17530
tokens_prompt319
tokens_completion649
native_tokens_prompt416
native_tokens_completion1051
native_tokens_completion_images(null)
native_tokens_reasoning87
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
service_tier"default"
usage0.028355
router(null)
provider_responses
0
endpoint_id"dfc0e5bd-d703-4fe2-a7bb-655eb95d5441"
id"msg_01LEEWbHVwMEKVVhnPaHiymV"
is_byokfalse
latency1182
model_permaslug"anthropic/claude-4.8-opus-20260528"
provider_name"Anthropic"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.16.0; linux; x64))"
http_referer(null)
request_id"req-1780048952-oxohl7LtB3Vp3h0FIkqq"
session_id(null)
api_type"completions"
id"gen-1780048952-uu27rnMtHUy2sl43AwqC"
upstream_id"msg_01LEEWbHVwMEKVVhnPaHiymV"
total_cost0.028355
cache_discount(null)
upstream_inference_cost0
provider_name"Anthropic"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Parse dialogue n/a
dialogue
0
name"Hunter"
dialogue"Afternoon. Mind if I ask you a few questions? Name's Hunter—I'm a detective. I'm looking into something that happened here in town two nights ago."
detectedLang"en"
heavyLang"en"
scores
en0.8157843707581928
tl0.6405599697313659
it0.47280799112097677
fr0.4574528840662478
pt0.4483159117305459
ro0.41789215686274506
nl0.4117647058823529
ca0.40809968847352024
sv0.3933588761174968
de0.3675099866844208
no0.3649732620320856
es0.36241610738255037
sl0.3370551290997907
da0.3333333333333333
sq0.3252840909090909
hr0.2931547619047619
cs0.28945400149588635
pl0.24901185770750986
hu0.24662965900079303
yo0.23633440514469453
sk0.2263843648208469
ms0.22448979591836735
az0.18594687232219365
et0.18384879725085912
is0.18032786885245902
tr0.1782006920415225
lt0.1324200913242009
lv0.12280701754385964
vi0.12280701754385964
be0.06862745098039216
eu0.06862745098039216
fi0.06219151036525173
uk0.06219151036525173
reliabletrue
passestrue
1
name"Melanie"
dialogue"Oh... ich—Entschuldigung, ich spreche kein Englisch."
detectedLang"de"
heavyLang"de"
scores
de0.7900516795865633
nl0.6659815005138747
sk0.3725868725868726
ms0.36149312377210213
ro0.35258964143426297
no0.3285123966942149
en0.3257261410788381
hr0.3143459915611814
da0.30257510729613735
pl0.26136363636363635
sl0.25287356321839083
lt0.21686746987951808
sv0.181360201511335
is0.1751269035532995
it0.1751269035532995
reliabletrue
passestrue
2
name"Hunter"
dialogue"...Right. Okay. You don't speak English. Got it."
detectedLang"en"
heavyLang"en"
scores
en0.8159509202453988
tl0.6511627906976745
no0.34210526315789475
yo0.3333333333333333
da0.3273542600896861
de0.3273542600896861
lv0.2227979274611399
sq0.2227979274611399
cs0.20634920634920634
fr0.19786096256684493
hr0.1935483870967742
ms0.1935483870967742
ro0.1935483870967742
sv0.1935483870967742
reliabletrue
passestrue
3
name"Melanie"
dialogue"Aber ich—ich habe etwas gesehen. In dieser Nacht. Es war schrecklich, ich kann es nicht vergessen."
detectedLang"de"
heavyLang"de"
scores
de0.8501498501498501
nl0.604221635883905
en0.3142857142857143
it0.2709599027946537
sv0.25650557620817843
sk0.250936329588015
pl0.2490613266583229
no0.2376111817026684
cs0.2277992277992278
az0.21052631578947367
sl0.20424403183023873
ca0.19678714859437751
es0.19678714859437751
ro0.19137466307277629
lv0.16666666666666666
eu0.16083916083916083
da0.14772727272727273
hu0.1452991452991453
tl0.1341991341991342
lt0.13169319826338638
fi0.12790697674418602
yo0.12790697674418602
tr0.12536443148688048
is0.11504424778761062
ms0.1111111111111111
reliabletrue
passestrue
4
name"Hunter"
dialogue"I have absolutely no idea what you just said, but you look pretty shaken up. You okay?"
detectedLang"en"
heavyLang"en"
scores
en0.8080032336297494
ca0.5685740236148955
tl0.5622119815668203
sv0.490343347639485
es0.4710467706013363
da0.46689113355780026
sk0.4656917885264342
pt0.42771084337349397
lv0.4221411192214112
no0.4171779141104295
it0.4164619164619165
sq0.41212871287128716
nl0.41066997518610426
hr0.4099378881987578
ro0.3902439024390244
et0.3683510638297872
cs0.34119278779472956
fr0.31457431457431456
fi0.30758017492711365
pl0.2973372781065089
tr0.24960505529225907
de0.21487603305785125
sl0.1592920353982301
yo0.15480427046263345
ms0.1394927536231884
be0.12844036697247707
hu0.12361623616236161
az0.1171003717472119
is0.1171003717472119
lt0.1171003717472119
uk0.1171003717472119
vi0.1171003717472119
reliabletrue
passestrue
5
name"Melanie"
dialogue"Die Lichter am Waldrand... und dann diese Schreie. Niemand hat reagiert. Ich hatte solche Angst."
detectedLang"de"
heavyLang"de"
scores
de0.8221127531472359
nl0.6257915947035118
no0.44206008583690987
da0.38679245283018865
ro0.35194416749750745
it0.34804413239719156
en0.3394308943089431
fr0.27697441601779754
sv0.26220204313280365
pl0.2571428571428571
sk0.22985781990521328
yo0.2073170731707317
tr0.2034313725490196
tl0.19254658385093168
hu0.11924119241192413
hi0.11804613297150611
es0.10591471801925723
fi0.10591471801925723
cs0.09722222222222222
hr0.09722222222222222
sq0.09722222222222222
et0.09596662030598052
reliabletrue
passestrue
6
name"Hunter"
dialogue"Forest? You're pointing at the woods. Did you see something out there?"
detectedLang"en"
heavyLang"en"
scores
en0.8300475866757308
tl0.6861268047708725
no0.5054401582591495
da0.4692144373673036
de0.3403693931398417
fr0.33862433862433866
ms0.33065595716198126
et0.32614555256064687
ro0.3006993006993007
nl0.2711370262390671
is0.25037481259370314
sv0.2401215805471125
sq0.2378048780487805
cs0.23076923076923078
pt0.2248062015503876
it0.2223950233281493
yo0.17627677100494232
pl0.15540540540540537
lt0.14675767918088736
es0.13494809688581316
sk0.12587412587412586
hr0.11816578483245149
reliabletrue
passestrue
7
name"Melanie"
dialogue"Ja! Ja, im Wald. Da war jemand. Oder etwas. Ich habe Fotos gemacht—warten Sie."
detectedLang"de"
heavyLang"de"
scores
de0.8161764705882353
pl0.5701357466063348
nl0.5458891013384322
da0.4692737430167597
sk0.4424882629107981
ca0.39720812182741116
hr0.3766404199475065
es0.3675099866844208
en0.36666666666666664
sl0.36241610738255037
pt0.36155913978494625
lv0.34392265193370164
ms0.33936022253129344
no0.3384401114206128
tr0.3365921787709497
yo0.3338008415147265
fi0.33286516853932585
sv0.31948424068767906
et0.31358381502890176
eu0.30453879941434847
ro0.2973372781065089
it0.2647058823529412
az0.2578125
fr0.24603174603174602
lt0.2313915857605178
sq0.22512234910277326
cs0.12361623616236161
tl0.1171003717472119
vi0.1171003717472119
reliabletrue
passestrue
8
name"Hunter"
dialogue"Photos? Wait—you've got pictures? On the camera?"
detectedLang"en"
heavyLang"en"
scores
en0.782171581769437
fr0.6621621621621622
tl0.6007371007371007
ca0.576271186440678
ro0.4881889763779528
nl0.482484076433121
et0.436741767764298
sv0.41651705565529623
de0.3981481481481482
yo0.358974358974359
es0.3551587301587301
no0.3394308943089431
hi0.33127572016460904
it0.3271221532091097
lv0.32150313152400833
da0.3157894736842105
fi0.3157894736842105
ms0.3157894736842105
hr0.21307506053268765
pl0.20537897310513448
lt0.19753086419753088
pt0.19753086419753088
sq0.1935483870967742
cs0.1875
sk0.1875
reliabletrue
passestrue
9
name"Melanie"
dialogue"Hier. Sehen Sie. Das habe ich aufgenommen, kurz bevor alles passiert ist."
detectedLang"de"
heavyLang"de"
scores
de0.8360118071498853
nl0.5829858215179317
no0.5192307692307693
da0.4769874476987448
fr0.44382647385984425
it0.41792782305005816
pt0.35064935064935066
et0.3359893758300133
sv0.3333333333333333
en0.3131868131868132
pl0.31224209078404397
ca0.2937853107344633
fi0.2401215805471125
sk0.19871794871794873
eu0.18699186991869918
hi0.1749174917491749
tr0.15824915824915825
es0.13793103448275862
tl0.12280701754385964
is0.11504424778761062
ms0.11504424778761062
reliabletrue
passestrue
10
name"Hunter"
dialogue"Okay, now we're getting somewhere. That's—huh. That's near the old mill. Two nights ago, you said? Well, you gestured 'two.' I think."
detectedLang"en"
heavyLang"en"
scores
en0.806949806949807
tl0.592391304347826
nl0.3760399334442596
no0.34554973821989526
sq0.34210526315789475
it0.32915921288014316
sv0.32915921288014316
de0.30362116991643456
ca0.2829827915869981
da0.2781520692974013
et0.2682926829268293
fr0.24242424242424243
pt0.23935091277890466
ro0.2331288343558282
is0.22520661157024793
hr0.21548117154811713
yo0.20550847457627117
cs0.19614147909967844
ms0.18389553862894453
es0.17400881057268722
pl0.14383561643835618
sk0.08759124087591241
be0.08536585365853659
tr0.08536585365853659
hu0.08200734394124846
az0.07749077490774908
lt0.07749077490774908
lv0.07749077490774908
uk0.07749077490774908
vi0.07749077490774908
reliabletrue
passestrue
11
name"Melanie"
dialogue"Ich verstehe nicht, was Sie sagen, aber bitte—nehmen Sie es ernst. Es ist wichtig."
detectedLang"de"
heavyLang"de"
scores
de0.8344892812105927
nl0.5980091883614089
es0.358974358974359
da0.3445692883895131
no0.3110236220472441
pl0.3018617021276596
en0.2886178861788618
ca0.2818057455540356
et0.26675977653631283
sv0.2584745762711864
hu0.24892703862660948
lt0.24242424242424243
sq0.2324561403508772
it0.21875
sk0.19106317411402157
lv0.18604651162790697
hi0.16798732171156894
cs0.16
tr0.1518578352180937
yo0.14215686274509806
is0.11317567567567569
fr0.10714285714285714
pt0.10714285714285714
az0.10102739726027396
ro0.10102739726027396
reliabletrue
passestrue
12
name"Hunter"
dialogue"I wish to God I had a translator right now. Look, can I—can I get a copy of this? This photo. You understand 'photo'? Click, click?"
detectedLang"en"
heavyLang"en"
scores
en0.812134706373504
tl0.5991686460807601
no0.5989304812834225
da0.5757385292269013
nl0.5175125089349536
cs0.5007396449704141
de0.5003700962250185
sv0.4734789391575663
pl0.4625796178343949
hr0.45608380338436744
yo0.43983402489626555
sk0.4186046511627907
ro0.4073748902546093
fr0.4058098591549295
ca0.3869209809264305
it0.3738404452690167
is0.37267657992565056
sq0.3433852140077821
sl0.3290258449304175
lv0.3229689067201605
lt0.31886982845610495
tr0.2983367983367983
pt0.2939330543933054
az0.2849576271186441
et0.267100977198697
hu0.24832962138084633
vi0.24665178571428573
es0.23642533936651583
ms0.21328671328671328
eu0.1687192118226601
hi0.10239361702127658
be0.09395973154362416
fi0.08536585365853659
uk0.08536585365853659
reliabletrue
passestrue
13
name"Melanie"
dialogue"Foto, ja. Sie wollen das Foto. Natürlich. Ich kann es Ihnen schicken, wenn Sie mir Ihre Adresse geben."
detectedLang"de"
heavyLang"de"
scores
de0.8366902558519325
nl0.4490358126721763
sk0.43661971830985913
no0.4140625
da0.40298507462686567
sv0.3890020366598778
pl0.3814432989690722
pt0.3492407809110629
et0.3485342019543974
ca0.3442622950819672
lv0.33184855233853006
es0.3288590604026846
sq0.3288590604026846
ro0.2907801418439716
it0.2890995260663507
sl0.281437125748503
fi0.2797118847539016
hr0.2762364294330519
cs0.25650557620817843
hu0.24623115577889448
tr0.23469387755102045
fr0.23076923076923078
lt0.13169319826338638
is0.11504424778761062
yo0.1111111111111111
en0.10581222056631893
reliabletrue
passestrue
14
name"Hunter"
dialogue"I think that was a yes. This might actually be the first real lead I've had in—"
detectedLang"en"
heavyLang"en"
scores
en0.8440158820192853
tl0.6660595021250758
nl0.5811119573495811
yo0.5499181669394435
ro0.4940202391904324
ca0.46236559139784944
no0.4532803180914513
de0.42528735632183906
it0.4130202774813233
sv0.4123931623931624
da0.39759036144578314
fr0.394273127753304
hu0.3820224719101124
sl0.3648960739030023
es0.36416184971098264
pl0.36416184971098264
pt0.34911242603550297
az0.3444576877234803
sq0.3405275779376499
lt0.3184634448574969
hr0.31335830212234705
cs0.301143583227446
ms0.2819843342036553
sk0.26861702127659576
tr0.2109038737446198
is0.2005813953488372
lv0.19472913616398244
vi0.19472913616398244
et0.1863905325443787
be0.11290322580645161
eu0.11290322580645161
fi0.10277324632952692
uk0.10277324632952692
reliabletrue
passestrue
15
name"Melanie"
dialogue"Was ist los? Ihr Telefon."
detectedLang"de"
heavyLang"de"
scores
de0.7887323943661971
tr0.6192893401015229
es0.6103896103896105
en0.5867768595041323
nl0.576271186440678
ca0.5016611295681063
ms0.5016611295681063
yo0.5
az0.494949494949495
ro0.494949494949495
da0.4791666666666667
sv0.4791666666666667
hi0.4140625
hu0.3333333333333333
sl0.3333333333333333
cs0.32432432432432434
lt0.32432432432432434
sk0.32432432432432434
et0.3181818181818182
eu0.3181818181818182
hr0.3087557603686636
it0.3087557603686636
lv0.3087557603686636
no0.3087557603686636
pl0.3087557603686636
pt0.3087557603686636
sq0.3087557603686636
tl0.3087557603686636
fi0.2822966507177033
fr0.2822966507177033
reliabletrue
passestrue
16
name"Hunter"
dialogue"Hang on. Sorry. Hunter here. ...What? When? ...No, I'm on my way. Don't let anyone near the scene."
detectedLang"en"
heavyLang"en"
scores
en0.8076923076923077
tl0.5919881305637982
no0.3799323562570462
pl0.3721461187214612
it0.3699885452462772
sk0.3670886075949367
da0.36194895591647336
pt0.35370152761457113
ca0.3475682087781732
cs0.33171324422843257
hr0.32432432432432434
fr0.32014833127317677
sq0.301143583227446
sl0.29577464788732394
sv0.28104575163398693
yo0.2486338797814208
et0.21875
fi0.21428571428571427
nl0.2109038737446198
tr0.2109038737446198
es0.19941775836972345
ms0.19941775836972345
ro0.19590643274853803
lv0.19236417033773862
de0.13793103448275862
hi0.13249211356466878
lt0.12
reliabletrue
passestrue
17
name"Melanie"
dialogue"Sie müssen gehen. Ich sehe es Ihrem Gesicht an."
detectedLang"de"
heavyLang"de"
scores
de0.8370927318295739
nl0.5396600566572238
pl0.411231884057971
eu0.4025735294117647
tr0.336734693877551
ca0.3114406779661017
es0.3114406779661017
en0.28414096916299564
sk0.27616926503340755
az0.27293064876957496
lv0.2696629213483146
no0.2511520737327189
vi0.2511520737327189
da0.24242424242424243
hu0.2388758782201405
sv0.23529411764705882
ro0.22985781990521328
yo0.2243436754176611
lt0.21875
fi0.21307506053268765
fr0.19753086419753088
ms0.19753086419753088
reliabletrue
passestrue
18
name"Hunter"
dialogue"I have to go. Something just came up. Listen—don't go anywhere, okay? Stay. Right. Here. I'm coming back. With someone who can actually understand you."
detectedLang"en"
heavyLang"en"
scores
en0.812144597887896
tl0.6101980615254953
da0.5244215938303343
no0.48668146503884574
sv0.3997404282933161
de0.3954248366013072
nl0.36860068259385664
pl0.35719249478804727
ca0.3495077355836849
cs0.33261183261183264
ro0.3117559523809524
fr0.2976461655277145
sq0.28846153846153844
yo0.28846153846153844
sk0.27564604541895066
es0.2705047318611987
hr0.26294820717131473
pt0.25583266291230894
lv0.22658862876254182
it0.22464375523889354
tr0.1878841088674276
is0.18286219081272084
fi0.16891284815813118
sl0.16289592760180996
lt0.15293040293040291
et0.15137614678899083
ms0.14431082331174835
hu0.13712686567164178
az0.13145539906103287
eu0.11228406909788868
be0.07035175879396985
uk0.06376518218623482
vi0.06376518218623482
reliabletrue
passestrue
19
name"Melanie"
dialogue"Ich... ich glaube, Sie kommen wieder. Gehen Sie. Aber seien Sie vorsichtig."
detectedLang"de"
heavyLang"de"
scores
de0.8382531338455318
no0.5859213250517599
nl0.5480225988700564
da0.4791666666666667
pl0.464524765729585
sv0.4310099573257468
fi0.3265993265993266
sk0.2366412213740458
eu0.22330097087378642
et0.2172211350293542
hu0.17184265010351968
ca0.16142557651991615
es0.15254237288135594
lv0.15254237288135594
pt0.15254237288135594
reliabletrue
passestrue
20
name"Hunter"
dialogue"Whatever you've got on that camera—keep it safe. Please."
detectedLang"en"
heavyLang"en"
scores
en0.808282208588957
tl0.5733788395904437
ro0.4075829383886255
fr0.40664556962025317
ca0.34895833333333337
sv0.3119266055045872
nl0.3042671614100185
it0.2964352720450282
et0.29111531190926276
yo0.2870722433460076
fi0.2857142857142857
es0.20886075949367086
da0.19700214132762314
hr0.19006479481641467
no0.19006479481641467
lv0.18655097613882862
sq0.18655097613882862
hi0.1830065359477124
pl0.1830065359477124
cs0.16666666666666666
sk0.16666666666666666
de0.1610738255033557
ms0.1610738255033557
pt0.1610738255033557
reliabletrue
passestrue
21
name"Melanie"
dialogue"Passen Sie auf sich auf, Detective."
detectedLang"de"
heavyLang"de"
scores
de0.8093422306959008
en0.658703071672355
ca0.5926680244399185
fr0.5926680244399185
nl0.5815899581589958
pt0.5780590717299579
it0.576271186440678
da0.574468085106383
no0.5717344753747323
ro0.5575221238938053
sv0.550561797752809
tl0.5327102803738317
es0.4708994708994709
pl0.358974358974359
sq0.3174061433447099
cs0.2647058823529412
hr0.250936329588015
sl0.250936329588015
et0.24528301886792453
is0.24528301886792453
ms0.24528301886792453
reliabletrue
passestrue