Run: 2026-02-16-01KHM5HQCZ0TTKDMW2ETWNZF5V

Run Details

Model:
DeepSeek V3.1
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
4.6s
Cost:
$0.000078
Provider:
SiliconFlow

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
Based on the text, Lucy doesn't play a wind instrument (flute or trumpet). The only remaining instrument is the drums, but John already plays the drums. However, since the bass wasn't assigned to anyone else and is not a wind instrument, Lucy must play the bass. Bass
created_at"2026-02-16T21:26:25.906971+00:00" 2/16/2026, 9:26:25 PM
model"deepseek/deepseek-chat-v3.1"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2343
moderation_latency(null)
generation_time4554
tokens_prompt93
tokens_completion69
native_tokens_prompt69
native_tokens_completion59
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.00007763
router(null)
provider_responses
0
id"019c6858e4ac301a36580d90a2150e34"
status200
is_byokfalse
latency2343
endpoint_id"5d5c9c1d-af0d-4e4a-8aee-c5cd2b3883f3"
provider_name"SiliconFlow"
model_permaslug"deepseek/deepseek-chat-v3.1"
api_type"completions"
id"gen-1771277180-mdO8odkY7hQe3DucmAPD"
upstream_id"019c6858e4ac301a36580d90a2150e34"
total_cost0.00007763
cache_discount(null)
upstream_inference_cost0
provider_name"SiliconFlow"

Evaluation details

Result Evaluator Details Meta Data
Fail Matches text
Case insensitive: bass
 n/a
Pass Matches Regex
/\bbass\b/i
 n/a
50.0000%