Run: 2026-04-25-01KQ2E9GN0766NZ3AW6S88CZ4Z

Run Details

Model:
DeepSeek V4 Pro (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
5.3s
Cost:
$0.000198
Provider:
DeepSeek

Evaluation summary

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

Model input

User/Human
What instrument does Lucy play based on the following text? Only return the instrument, nothing else. In the school band, there are four instruments: drums, bass, flute, trumped. John plays the drums, Mary plays the flute, and Pete plays the trumpet. Lucy doesn't play a wind instrument.

Model response

AI
bass
created_at"2026-04-25T13:46:59.619Z" 4/25/2026, 1:46:59 PM
model"deepseek/deepseek-v4-pro-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1168
moderation_latency(null)
generation_time5275
tokens_prompt75
tokens_completion208
native_tokens_prompt66
native_tokens_completion195
native_tokens_completion_images(null)
native_tokens_reasoning192
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"
usage0.00019836
router(null)
provider_responses
0
endpoint_id"d084170b-dd99-4e53-9ae1-b63881f3cfbf"
id"fbe20779-4f32-49f2-be98-3a8ca7ed7bc3"
is_byokfalse
latency270
model_permaslug"deepseek/deepseek-v4-pro-20260423"
provider_name"DeepSeek"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777124819-o0w58PIrOmHHhZZrYGL1"
session_id(null)
api_type"completions"
id"gen-1777124819-uxMZrAHHOZ5pEEeO8tfs"
upstream_id"fbe20779-4f32-49f2-be98-3a8ca7ed7bc3"
total_cost0.00019836
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 insensitive: bass
 n/a
Pass Matches Regex
/\bbass\b/i
 n/a
no eval