Model

GPT-4.1 Nano

Test

Data extraction

Scenario

What instrument does Lucy play?

Run ID

2025-04-14-01JRTSX8TFSZCJN9P6TY3KMEBT

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
id"gen-1744656311-5KHMiOE1jyH3TkUiL3Nh" 
upstream_id"chatcmpl-BMJ5reS3c3CEsAttm3HpLYTFaXXtZ" 
total_cost0.0000076
cache_discount(null)
provider_name"OpenAI" 
created_at"2025-04-14T18:45:12.692515+00:00" Monday, April 14th, 2025 at 6:45:12 PM GMT+00:00
model"openai/gpt-4.1-nano-2025-04-14" 
app_id182717
streamedtrue
cancelledfalse
latency385
moderation_latency102
generation_time27
tokens_prompt69
tokens_completion1
native_tokens_prompt68
native_tokens_completion2
native_tokens_reasoning0
num_media_prompt(null)
num_media_completion(null)
num_search_results(null)
origin"https://ncbench.com/" 
is_byokfalse
finish_reason"stop" 
native_finish_reason"stop" 
usage0.0000076

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case insensitive: bass
 n/a
Pass Matches Regex
/\bbass\b/i
 n/a
100.0000%