Run: 2026-04-25-01KQ2EDM8NYDPCWJRE3Q06YERM

Run Details

Duration:
1.3s
Cost:
$0.000019
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
68.89% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The clock struck midnight’s heavy chime. A body lay upon the rug. Blood pooled beneath the silent corpse. A single key clutched in its hand. The door was locked from inside. Rain tapped against the windowpane.
created_at"2026-04-25T13:49:14.394Z" 4/25/2026, 1:49:14 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency559
moderation_latency(null)
generation_time1208
tokens_prompt46
tokens_completion57
native_tokens_prompt39
native_tokens_completion48
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"
usage0.0000189
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"62c7a856-fac7-4773-9981-cdc50138ddb0"
is_byokfalse
latency278
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-1777124954-In7R05ZKQwFBDTCQbv3O"
session_id(null)
api_type"completions"
id"gen-1777124954-fKjerlfC9onkIa8o19JV"
upstream_id"62c7a856-fac7-4773-9981-cdc50138ddb0"
total_cost0.0000189
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
68.89% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
06
16
26
37
46
55