Run: 2026-02-25-01KJ9559W31DQQQFBJ3T16V8MK

Run Details

Duration:
5.1s
Cost:
$0.002701
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
65.22% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The old manor loomed, silhouetted against a bruised sky. Rain lashed windows, mournfully drumming a relentless, chilling rhythm. Reginald “Reggie” Finch shivered, pulling his worn coat tighter. He hated these late-night calls to Lord Ashworth. The heavy oak door creaked open, uninvited, unlocked. A draft, icy and unwelcome, swept through the hall. Reggie stepped inside, heart thumping an uneasy cadence. Darkness clung everywhere, swallowing all familiar shapes whole. Then he saw it, slumped beside a grand armchair. Lord Ashworth lay still, blood staining his white shirt crimson. A priceless ancient letter opener rested firmly within his chest. Reggie gasped, the horrific sight stealing his very breath. Silent terror gripped him fast, a cold, hard fist. He knew immediately: a terrible, calculated murder had occurred.
created_at"2026-02-25T01:03:36.33Z" 2/25/2026, 1:03:36 AM
model"google/gemini-2.5-flash"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1252
moderation_latency(null)
generation_time5059
tokens_prompt46
tokens_completion588
native_tokens_prompt38
native_tokens_completion1076
native_tokens_completion_images0
native_tokens_reasoning910
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"STOP"
usage0.0027014
router(null)
provider_responses
0
endpoint_id"16c01e26-9b91-4d22-b487-ed35634b017d"
is_byokfalse
latency1252
model_permaslug"google/gemini-2.5-flash"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771981416-aultD2AB8qw7Xxg1SOHi"
upstream_id(null)
total_cost0.0027014
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
65.22% Matches word count n/a
neededCleanfalse
sentences14
wordCounts
09
19
29
38
48
59
68
78
89
910
1010
119
129
139