Run: 2026-03-06-01KK1JARFKHXAYFK6Z4FNFXVX2

Run Details

Duration:
2.0s
Cost:
$0.000098
Provider:
Inception

Evaluation summary

Score Evaluator
Details Link
100.00% 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 rain hammered the cobblestones as the moonlit library waited for its guests, unaware of the lurking deeply quietly danger. Inside, the fireplace crackled, casting shadows across the polished mahogany desks, where portraits of past presidents stared in solemnly still. Suddenly, a scream pierced the silence, and the chandelier shattered, sending shards of glass across the floor into the night. The detective, a sharp-eyed scholar, entered the dim hall, his mind racing through possible motives and alibis for the night. He noticed the overturned chair, the missing candlestick, and the scent of lilies, clues that whispered danger in the room.
created_at"2026-03-06T12:35:32.987Z" 3/6/2026, 12:35:32 PM
model"inception/mercury"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1883
moderation_latency(null)
generation_time1946
tokens_prompt46
tokens_completion162
native_tokens_prompt47
native_tokens_completion125
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached32
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"
usage0.0000983
router(null)
provider_responses
0
endpoint_id"da1082ea-721e-460e-b330-034ae7aefc7f"
id"chatcmpl-a2da533f-b69a-4f5f-919f-87aaecbfd7da"
is_byokfalse
latency134
model_permaslug"inception/mercury"
provider_name"Inception"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1772800532-w8VPbxijrbUujm8L2vFl"
upstream_id"chatcmpl-a2da533f-b69a-4f5f-919f-87aaecbfd7da"
total_cost0.0000983
cache_discount0.0000072
upstream_inference_cost0
provider_name"Inception"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
020
120
220
320
420