Run: 2026-04-25-01KQ2G7NWY3K0PHZSN0DG9Z2PG

Run Details

Model:
DeepSeek V4 Flash (Reasoning)
Test:
Data extraction
Scenario:
Indirect birth year
Duration:
1.7s
Cost:
$0.000033
Provider:
DeepSeek

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass 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
1993
created_at"2026-04-25T14:20:56.609Z" 4/25/2026, 2:20:56 PM
model"deepseek/deepseek-v4-flash-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency494
moderation_latency(null)
generation_time1604
tokens_prompt58
tokens_completion75
native_tokens_prompt57
native_tokens_completion88
native_tokens_completion_images(null)
native_tokens_reasoning85
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"
usage0.00003262
router(null)
provider_responses
0
endpoint_id"722e0746-2034-4d6e-a08f-e6271849ee9e"
id"90a1eb82-9b6e-4376-bcee-94cb6aeb1264"
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-1777126856-SrjifeWd7jSBc9fsz3xq"
session_id(null)
api_type"completions"
id"gen-1777126856-iJxlTaW0w3Yn1Es4uOtM"
upstream_id"90a1eb82-9b6e-4376-bcee-94cb6aeb1264"
total_cost0.00003262
cache_discount(null)
upstream_inference_cost0
provider_name"DeepSeek"
response_cache_source_id(null)

Evaluation details

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