Run: 2026-10-13-01M4TP79FMV08SWE5TFJE9PJWA

Run Details

Duration:
21.3s
Cost:
$0.024279
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain carved silver lines across the harbor's black glass tonight. Detective Mara Voss arrived before the ambulance lost its siren. The pier smelled of salt, diesel, and very recent fear. A lantern burned inside the boathouse though nobody answered her. The victim lay beneath canvas wearing a gray winter coat. His hands were clean except for one small crimson crescent. Mara noticed pale sand inside his cuffs despite the drought. A damp receipt showed coffee for two at midnight exactly. The coroner whispered murder before the gulls above stopped screaming. Then Mara found the brass key taped beneath his tongue. Somewhere behind them, a hidden camera clicked once and vanished. Mara pocketed the key and lied softly to the dawn.
created_at"2026-10-13T13:11:25.598Z" 10/13/2026, 1:11:25 PM
model"fireworks/ember-1-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1093
moderation_latency(null)
generation_time21044
tokens_prompt46
tokens_completion1544
native_tokens_prompt123
native_tokens_completion1594
native_tokens_completion_images(null)
native_tokens_reasoning1434
native_tokens_cached0
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"
service_tier(null)
usage0.024279
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791897085-vma0IWYZJCJqXQlHhvDl"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791897085-xCF3yCyxLUkIk874L0Mh"
upstream_id"chatcmpl-158e39a4e50a487eb50164f02782938a"
provider_responses
0
endpoint_id"b89a2f05-4051-4446-a9b0-7bc8ae7b7c90"
id"chatcmpl-158e39a4e50a487eb50164f02782938a"
is_byokfalse
latency1092
model_permaslug"fireworks/ember-1-20260923"
provider_name"Fireworks"
status200
total_cost0.024279
cache_discount(null)
upstream_inference_cost0
provider_name"Fireworks"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences12
wordCounts
010
110
210
310
410
510
610
710
810
910
1010
1110