Run: 2026-04-25-01KQ2HR911TKE81TPZ8Z6D861V

Run Details

Duration:
1.3s
Cost:
$0.000018
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
85.25% 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 rain soaked the cobblestone street. A single gaslight flickered weakly. Doctor Alistair found the body. The victim wore a red scarf. Blood pooled beneath the broken lantern. No footprints led away from here.
created_at"2026-04-25T14:47:29.062Z" 4/25/2026, 2:47:29 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency534
moderation_latency(null)
generation_time1224
tokens_prompt46
tokens_completion53
native_tokens_prompt39
native_tokens_completion46
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"
usage0.00001834
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"0f9b288c-04ea-4767-b3e8-789e6aaeba0a"
is_byokfalse
latency274
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-1777128449-eJOzyu10MDO5XYD2WlC0"
session_id(null)
api_type"completions"
id"gen-1777128449-rwWbGlIqkhSkGc2Nq7XJ"
upstream_id"0f9b288c-04ea-4767-b3e8-789e6aaeba0a"
total_cost0.00001834
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
85.25% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
06
15
25
36
46
56