Run: 2026-09-03-01M1KB1PQ3W8EM4VYCV540RNN0

Run Details

Model:
DeepSeek V4 Flash 0731 (Reasoning, High)
Test:
Data extraction
Scenario:
Indirect birth year
Duration:
17.1s
Cost:
$0.000048
Provider:
StreamLake

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"2026-09-03T09:54:21.553Z" 9/3/2026, 9:54:21 AM
model"deepseek/deepseek-v4-flash-20260731"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1472
moderation_latency(null)
generation_time1805
tokens_prompt57
tokens_completion62
native_tokens_prompt136
native_tokens_completion75
native_tokens_completion_images(null)
native_tokens_reasoning71
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"
service_tier(null)
usage0.000047652
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788429261-klWjavPjRBdpTKOPbcRV"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788429261-GUtrk7YAEjFQoT7rO92q"
upstream_id"req-0k3y5n-1788429276934513703"
provider_responses
0
endpoint_id"89e67dfe-8499-4a5c-a1eb-2baf0e8d63ee"
is_byokfalse
latency5188
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"Inceptron"
status429
1
endpoint_id"604391ba-7c17-4f8b-8a18-b38c5b45ac52"
is_byokfalse
latency10057
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"Together"
status504
2
endpoint_id"d880a270-04ff-479c-b312-6246c0f985b0"
id"req-0k3y5n-1788429276934513703"
is_byokfalse
latency1472
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"StreamLake"
status200
total_cost0.000047652
cache_discount(null)
upstream_inference_cost0
provider_name"StreamLake"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

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