Run: 2026-09-03-01M1K9X7NYJ5BKYFZZV89NG1QB

Run Details

Duration:
4.9s
Cost:
$0.000664
Provider:
StreamLake

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"2026-09-03T09:34:26.511Z" 9/3/2026, 9:34:26 AM
model"deepseek/deepseek-v4-pro-20260813"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2012
moderation_latency(null)
generation_time4877
tokens_prompt74
tokens_completion165
native_tokens_prompt145
native_tokens_completion150
native_tokens_completion_images(null)
native_tokens_reasoning147
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)
usage0.000663663
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788428066-SLHVYU745pi6R7KArCip"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788428066-WR1oLVfo2VzjW7uumv0z"
upstream_id"req-7c03dn-1788428067114540920"
provider_responses
0
endpoint_id"072c1c23-c069-4242-bb6d-1b30ca5f4eb8"
id"req-7c03dn-1788428067114540920"
is_byokfalse
latency2012
model_permaslug"deepseek/deepseek-v4-pro-20260813"
provider_name"StreamLake"
status200
total_cost0.000663663
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 insensitive: bass
n/a
Pass Matches Regex
/\bbass\b/i
n/a
no eval