Run: 2026-04-25-01KQ2J4125KV72Y02GERP5EJJD

Run Details

Duration:
1.8s
Cost:
$0.000026
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
0.00% 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 slicked cobblestones gleamed under the gas lamp’s weak, amber glow. A single silhouette paused near the iron gate, its breath a ghostly mist. Then a sharp cry sliced through the night, followed by a heavy, wet thud. The detective found her body cradled by roses, their thorns stained deepest crimson.
created_at"2026-04-25T14:53:54.122Z" 4/25/2026, 2:53:54 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency579
moderation_latency(null)
generation_time1700
tokens_prompt46
tokens_completion82
native_tokens_prompt39
native_tokens_completion75
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.00002646
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"82c82a8f-fc9f-4c26-b1d4-e136e9bd3957"
is_byokfalse
latency277
model_permaslug"deepseek/deepseek-v4-flash-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777128834-fj007uWb7dkVMAndH4nV"
session_id(null)
api_type"completions"
id"gen-1777128834-VFYt6hxQ94y4YUAc7iot"
upstream_id"82c82a8f-fc9f-4c26-b1d4-e136e9bd3957"
total_cost0.00002646
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
0.00% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
012
113
214
313