Run: 2026-02-16-01KHK9YSBJECTXM4Z2XE667JQ7

Run Details

Model:
GPT-5 Nano
Test:
Language Writing
Scenario:
Character dialogue (Italian) in a story
Duration:
1m 20s
Cost:
$0.002776
Provider:
OpenAI

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="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
Hunter: Miss, I'm with the Alborn Police. Can you tell me what you saw about the recent disappearances in town? Isabella: Mi dispiace, non parlo l'inglese; sono molto spaventata. Hunter: I can't understand you. Is there anyone who can translate for you? Isabella: Qualcosa di brutto è successo qui in città la notte scorsa. Le strade sono vuote e ho visto ombre. Hunter: I still can't understand you. Please, tell me in simple terms what you saw—if you can. Isabella: Ho appena scattato una foto. Hunter: A photo might help. Let me see. Isabella: La foto è sul mio telefono. Hunter: I have to take this—it's urgent.
created_at"2026-02-16T13:25:28.521514+00:00" 2/16/2026, 1:25:28 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency46497
moderation_latency(null)
generation_time79918
tokens_prompt321
tokens_completion1214
native_tokens_prompt271
native_tokens_completion6906
native_tokens_completion_images0
native_tokens_reasoning6720
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"
usage0.00277595
router(null)
provider_responses
0
id"resp_08055c79444504170169931a784364819683d02229aa15c895"
status200
is_byokfalse
latency127
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771248248-4KccOm8Y6Bg5mYlZV2tH"
upstream_id"resp_08055c79444504170169931a784364819683d02229aa15c895"
total_cost0.00277595
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.00% Parse dialogue n/a
dialogue
0
name"Hunter"
dialogue"Miss, I'm with the Alborn Police. Can you tell me what you saw about the recent disappearances in town?"
detectedLang"en"
heavyLang"en"
scores
en0.8049921996879876
fr0.5586158192090396
tl0.5493871665465032
nl0.5214395099540582
ms0.4877049180327869
it0.46808510638297873
sl0.42765567765567764
ro0.422365988909427
sv0.41424554826616683
ca0.41259398496240596
pt0.3984600577478344
cs0.39320388349514557
es0.3448637316561845
sq0.33011789924973206
sk0.3293991416309013
no0.3055555555555556
da0.28977272727272724
pl0.27829099307159355
az0.27409988385598144
hr0.26985981308411217
de0.2664319248826291
yo0.2378048780487805
et0.22744128553770088
lv0.20685279187817257
fi0.2028061224489796
lt0.1935483870967742
tr0.1925064599483204
eu0.13073713490959665
hu0.10714285714285714
reliabletrue
passestrue
1
name"Isabella"
dialogue"Mi dispiace, non parlo l'inglese; sono molto spaventata."
detectedLang"it"
heavyLang"it"
scores
it0.7923156801661475
fr0.5675675675675675
ca0.5449374288964732
es0.5203836930455635
ro0.50920245398773
sk0.44521497919556174
en0.4428969359331476
pt0.36908517350157727
hr0.35275080906148865
cs0.3485342019543974
yo0.34210526315789475
sl0.27927927927927926
hu0.2753623188405797
da0.26605504587155965
pl0.26605504587155965
et0.25925925925925924
nl0.250936329588015
de0.24812030075187969
tr0.24670433145009416
no0.24528301886792453
sq0.24242424242424243
eu0.17864476386036962
az0.14893617021276595
lt0.13606911447084233
ms0.13606911447084233
lv0.12854030501089325
sv0.12854030501089325
reliabletrue
passestrue
2
name"Hunter"
dialogue"I can't understand you. Is there anyone who can translate for you?"
detectedLang"en"
heavyLang"en"
scores
en0.824150058616647
no0.6212121212121212
da0.5953237410071942
tl0.5622568093385214
de0.49324324324324326
sv0.4755244755244755
nl0.47058823529411764
ro0.4238156209987196
cs0.4201030927835051
ca0.39189189189189183
sq0.3869209809264305
hr0.38101788170563966
pl0.3784530386740331
it0.35988620199146515
is0.337260677466863
sk0.33234421364985167
hu0.3293591654247392
tr0.3181818181818182
yo0.3150684931506849
az0.3066255778120185
pt0.2694805194805195
vi0.25124792013311154
lt0.22413793103448276
lv0.22413793103448276
et0.21328671328671328
fr0.15094339622641512
es0.14611005692599618
be0.1346153846153846
eu0.12959381044487428
uk0.12280701754385964
ms0.11591355599214145
sl0.11591355599214145
reliabletrue
passestrue
3
name"Isabella"
dialogue"Qualcosa di brutto è successo qui in città la notte scorsa. Le strade sono vuote e ho visto ombre."
detectedLang"it"
heavyLang"it"
scores
it0.8193473193473194
fr0.6275828928399808
ca0.54518779342723
ro0.5104232469993684
en0.4870946393117141
pt0.48641484426772696
tl0.4774106540795684
yo0.4695414099931554
sl0.4584206848357792
es0.4580419580419581
no0.45422535211267606
sv0.42464736451373425
de0.4074923547400612
nl0.404304381245196
da0.40108191653786707
sk0.30368373764600176
ms0.28040854224698236
fi0.27973977695167285
sq0.2702448210922787
pl0.23945044160942097
tr0.23720472440944884
hr0.23038728897715988
lt0.2226680040120361
az0.20998980632008157
is0.20998980632008157
lv0.20918367346938777
cs0.19605809128630705
et0.19605809128630705
vi0.1893305439330544
hu0.1842105263157895
reliabletrue
passestrue
4
name"Hunter"
dialogue"I still can't understand you. Please, tell me in simple terms what you saw—if you can."
detectedLang"en"
heavyLang"en"
scores
en0.8142519419115164
sv0.5603517186250999
ro0.5319148936170213
no0.5303159692570453
tl0.5278969957081545
nl0.5254529767040552
da0.5188101487314085
sq0.46859903381642515
it0.4655004859086492
de0.4586614173228346
ca0.44500504540867813
ms0.42767950052029136
sl0.39956331877729256
pl0.39226519337016574
fr0.3778280542986425
hr0.375
cs0.3721461187214612
es0.3648960739030023
is0.33894230769230765
pt0.2948717948717949
az0.289405684754522
sk0.2857142857142857
tr0.2724867724867725
lv0.2597577388963661
lt0.2557510148849797
yo0.2413793103448276
et0.2231638418079096
hu0.207492795389049
fi0.12
be0.11290322580645161
uk0.10277324632952692
vi0.10277324632952692
reliabletrue
passestrue
5
name"Isabella"
dialogue"Ho appena scattato una foto."
detectedLang"it"
heavyLang"it"
scores
it0.8148148148148148
ca0.624765478424015
es0.5121951219512195
no0.4910941475826972
sk0.48186528497409326
tl0.46380697050938335
cs0.4520547945205479
ro0.4444444444444444
da0.42196531791907516
pt0.4065281899109792
eu0.33993399339933994
en0.3265993265993266
fr0.3150684931506849
lt0.3055555555555556
ms0.3055555555555556
sl0.2779783393501805
de0.23954372623574144
lv0.23954372623574144
nl0.23954372623574144
pl0.23954372623574144
et0.2277992277992278
hr0.2277992277992278
reliabletrue
passestrue
6
name"Hunter"
dialogue"A photo might help. Let me see."
detectedLang"en"
heavyLang"en"
scores
en0.8134328358208955
fr0.6771879483500717
cs0.5960502692998204
et0.593128390596745
sl0.5570866141732284
tl0.5263157894736842
no0.5108695652173912
es0.5098039215686274
pt0.5033112582781457
da0.49776785714285715
sq0.4943820224719101
it0.47674418604651164
yo0.4617224880382775
hu0.4094488188976378
nl0.4063324538258575
ms0.3951612903225807
de0.38524590163934425
ro0.3818681318681319
fi0.38016528925619836
ca0.3767313019390581
sk0.36619718309859156
hr0.33234421364985167
pl0.3181818181818182
lt0.267100977198697
hi0.2549668874172185
tr0.2549668874172185
is0.25
az0.23728813559322032
eu0.23728813559322032
lv0.23728813559322032
vi0.23728813559322032
sv0.21875
reliabletrue
passestrue
7
name"Isabella"
dialogue"La foto è sul mio telefono."
detectedLang"it"
heavyLang"it"
scores
it0.7835497835497836
es0.6688741721854304
ca0.6503496503496503
ro0.6383363471971067
yo0.5943204868154158
no0.5934959349593496
da0.5926680244399185
pt0.5824634655532359
et0.5708154506437768
de0.5680345572354212
fr0.5294117647058824
sl0.51338199513382
sq0.504950495049505
cs0.48717948717948717
lv0.48586118251928023
hr0.4805194805194805
tl0.4301994301994302
sk0.42363112391930835
tr0.40828402366863903
lt0.40298507462686567
hu0.40119760479041916
nl0.3993993993993994
az0.3957703927492447
pl0.3939393939393939
sv0.37888198757763975
vi0.29577464788732394
eu0.25925925925925924
ms0.250936329588015
en0.23954372623574144
fi0.2277992277992278
reliabletrue
passestrue
8
name"Hunter"
dialogue"I have to take this—it's urgent."
detectedLang"en"
heavyLang"en"
scores
en0.8214285714285714
da0.6610169491525424
tl0.6303142329020333
no0.6219281663516069
ca0.6
pl0.5661605206073753
hr0.5604395604395604
ro0.5584988962472406
cs0.5412844036697247
yo0.5283018867924528
sk0.504950495049505
sl0.49874686716791977
lv0.4805194805194805
lt0.4550408719346049
sv0.40828402366863903
sq0.40119760479041916
it0.36507936507936506
fr0.3127147766323024
es0.2805755395683453
nl0.2727272727272727
be0.25925925925925924
tr0.25925925925925924
hu0.250936329588015
az0.23954372623574144
et0.23954372623574144
is0.23954372623574144
uk0.23954372623574144
vi0.23954372623574144
reliabletrue
passestrue