Run: 2026-04-25-01KQ2G5QZQ91D64G5XYKYH1NC8

Run Details

Model:
DeepSeek V4 Flash
Test:
Data extraction
Scenario:
Indirect birth year
Duration:
831ms
Cost:
$0.000009
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
Fail Matches text (details)
Fail Matches Regex (details)
no eval Overall

Model input

User/Human
What year was Sarah born? Only return the year as a four-digit number. In 2023, Sarah celebrated her 30th birthday with a big party. Her younger sister, who is 5 years younger, couldn't attend because she was studying abroad.

Model response

AI
2023
created_at"2026-04-25T14:19:53.211Z" 4/25/2026, 2:19:53 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency603
moderation_latency(null)
generation_time797
tokens_prompt58
tokens_completion1
native_tokens_prompt57
native_tokens_completion2
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"
usage0.00000854
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"b9bc771a-1ced-4b86-a0f9-f2abbb037cf5"
is_byokfalse
latency280
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-1777126793-tn2z8oMIV9Lg9uW8UNQq"
session_id(null)
api_type"completions"
id"gen-1777126793-YVstBUSNZo9dQwjzf4W1"
upstream_id"b9bc771a-1ced-4b86-a0f9-f2abbb037cf5"
total_cost0.00000854
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Fail Matches text
Case sensitive: 1993
 n/a
Fail Matches Regex
/\b1993\b/
 n/a
no eval