Run: 2026-02-16-01KHK9FWMVHAWDTR4ZS9NSZ21C

Run Details

Model:
GPT-5 Nano
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
13.8s
Cost:
$0.000385
Provider:
OpenAI

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"2026-02-16T13:16:14.868341+00:00" 2/16/2026, 1:16:14 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6791
moderation_latency(null)
generation_time13715
tokens_prompt75
tokens_completion345
native_tokens_prompt67
native_tokens_completion953
native_tokens_completion_images0
native_tokens_reasoning896
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"completed"
usage0.00038455
router(null)
provider_responses
0
id"resp_0cc81a6cb824877801699318901eb081969e739ec8642a4d95"
status200
is_byokfalse
latency144
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771247760-3LcdhPTUXDlIxjClbiWG"
upstream_id"resp_0cc81a6cb824877801699318901eb081969e739ec8642a4d95"
total_cost0.00038455
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

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%