Run: 2026-04-25-01KQ2FK703RGX4MVX9EZ4AK6N3

Run Details

Duration:
2.3s
Cost:
$0.000039
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
52.53% 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 lantern flickered in silence. The body lay crumpled near the door. Her diamond necklace was conspicuously missing. Detective Shaw knelt beside the victim. A faint scent of perfume lingered. A torn ticket lay beneath her hand. The clock tower struck midnight precisely. Then a shutter banged in the wind.
created_at"2026-04-25T14:09:45.991Z" 4/25/2026, 2:09:45 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency538
moderation_latency(null)
generation_time2230
tokens_prompt46
tokens_completion141
native_tokens_prompt39
native_tokens_completion120
native_tokens_completion_images(null)
native_tokens_reasoning38
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"
usage0.00003906
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"a6d7679b-337e-422f-8012-64a5847959f0"
is_byokfalse
latency264
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-1777126185-qZZbyDhxoTGV5kwYHtMu"
session_id(null)
api_type"completions"
id"gen-1777126185-yoB4QcX2WYPpjMBsQ4jq"
upstream_id"a6d7679b-337e-422f-8012-64a5847959f0"
total_cost0.00003906
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
52.53% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
06
16
27
36
46
56
67
76
87