Run: 2026-09-03-01M1M01EPBS8EMXXV4BPYM86SC

Run Details

Model:
Qwen 3.8 27B (Reasoning, XHigh)
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
26.4s
Cost:
$0.004188
Provider:
Reka

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
The rain soaked the old stone mansion silently again tonight. A shattered window glowed faintly under the pale moonlight outside. Inside, a body lay still on the cold floor below. The detective bent down, noticing a single silver coin there. Blood dripped slowly onto the floor from a knife there.
created_at"2026-09-03T16:01:13.426Z" 9/3/2026, 4:01:13 PM
model"qwen/qwen3.8-27b-20260814"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency348
moderation_latency(null)
generation_time26317
tokens_prompt46
tokens_completion1549
native_tokens_prompt89
native_tokens_completion1634
native_tokens_completion_images(null)
native_tokens_reasoning1472
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)
usage0.00418806
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788451273-0iXmE5LUlR0I0NQ8S83r"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788451273-1tGqzKbLpDdw2tigAbbG"
upstream_id"chatcmpl-7889c1a9-498a-49e0-995d-8a42463bb3bb"
provider_responses
0
endpoint_id"15086968-df2f-4d69-86bb-c74c31644bb6"
id"chatcmpl-7889c1a9-498a-49e0-995d-8a42463bb3bb"
is_byokfalse
latency345
model_permaslug"qwen/qwen3.8-27b-20260814"
provider_name"Reka"
status200
total_cost0.00418806
cache_discount(null)
upstream_inference_cost0
provider_name"Reka"
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
sentences5
wordCounts
010
110
210
310
410