Run: 2026-04-24-01KQ056WHHA3ZWA64YJY3BMYTA

Run Details

Duration:
20.5s
Cost:
$0.000684
Provider:
Fireworks

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
Rain hammered the cobblestones as Detective Marlow arrived, his coat dripping, eyes scanning the dimly lit alley for a mystery. A crimson stain glistened on the pavement, spreading slowly, whispering secrets of a life abruptly extinguished under the shivering moonlight. Neighbors peered from cracked windows, murmuring prayers, unaware that the murderer lingered, hidden within their frightened shadows of the night. Marlow knelt, inhaling metallic perfume, his mind cataloguing clues, each detail forming a tapestry of betrayal within the silent city. A distant clock struck midnight, echoing through alleys, announcing that justice would awaken, relentless, unforgiving, and inevitable in the dark.
created_at"2026-04-24T16:29:47.45Z" 4/24/2026, 4:29:47 PM
model"openai/gpt-oss-120b"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency424
moderation_latency(null)
generation_time20401
tokens_prompt46
tokens_completion1167
native_tokens_prompt107
native_tokens_completion1129
native_tokens_completion_images(null)
native_tokens_reasoning991
native_tokens_cached69
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"stop"
usage0.000684066
router(null)
provider_responses
0
endpoint_id"0d478558-8c4b-4f0c-b3b0-871c959225ae"
id"chatcmpl-e132bc1e8fb84435bed34b12e9f94217"
is_byokfalse
latency424
model_permaslug"openai/gpt-oss-120b"
provider_name"Fireworks"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777048187-1QvxuDQHn7PTbC9BmXjn"
session_id(null)
api_type"completions"
id"gen-1777048187-qpXvDCMmnKsZ3HIMEbHd"
upstream_id"chatcmpl-e132bc1e8fb84435bed34b12e9f94217"
total_cost0.000684066
cache_discount0.000009384
upstream_inference_cost0
provider_name"Fireworks"
response_cache_source_id(null)

Evaluation details

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