Model

Gemini 2.5 Pro

Test

Data extraction

Scenario

What instrument does Lucy play?

Run ID

2025-11-18-01KACPDJVNKDZC7K2P6KXV01GS

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"2025-11-18T23:57:29.009906+00:00" Tuesday, November 18th, 2025 at 11:57:29 PM GMT+00:00
model"google/gemini-2.5-pro" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2034
moderation_latency(null)
generation_time6312
tokens_prompt69
tokens_completion206
native_tokens_prompt66
native_tokens_completion595
native_tokens_completion_images0
native_tokens_reasoning595
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" 
usage0.0060325
api_type"completions" 
id"gen-1763510242-PBNeSdQsgRren364HoDh" 
upstream_id(null)
total_cost0.0060325
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio" 

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%