Run: 2026-02-25-01KJ9588JEPCGQ9VMYZDG5BKFM

Run Details

Duration:
5.9s
Cost:
$0.000594
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
9.98% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The grand ballroom lay eerily silent, a stark contrast to its usual vibrant Saturday evening revelries and laughter. Policemen moved with almost supernatural quietness amidst the shattered crystal glassware scattered across the polished mahogany floor. A single, ornate candelabra had been violently overturned near the dark, sprawling, lifeless form of the unfortunate host. Detective Inspector Harding surveyed the macabre scene with eyes that had witnessed countless tragedies unfold before tonight. Crimson stained the antique Persian rug beneath the fallen figure, a stark, disturbing splash of vibrant, ghastly color. A chilling draft snaked through the vast, opulent room, carrying faint whispers of a terrible, unspeakable secret untold. The air hung thick with the metallic tang of fresh blood and an unsettling, profound sense of dread.
created_at"2026-02-25T01:05:13.301Z" 2/25/2026, 1:05:13 AM
model"google/gemini-2.5-flash-lite"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency905
moderation_latency(null)
generation_time5848
tokens_prompt46
tokens_completion1062
native_tokens_prompt38
native_tokens_completion1476
native_tokens_completion_images0
native_tokens_reasoning1321
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"
usage0.0005942
router(null)
provider_responses
0
endpoint_id"ce839073-aa24-4f29-8358-15b319bd05ec"
is_byokfalse
latency905
model_permaslug"google/gemini-2.5-flash-lite"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771981513-jLDil3Vq9l7DB6lU3rjA"
upstream_id(null)
total_cost0.0005942
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
9.98% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
018
117
218
317
418
518
618