Run: 2026-02-16-01KHKB5JXY7N4P560Z9365CMV8

Run Details

Duration:
5.4s
Cost:
$0.000140
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"2026-02-16T13:45:25.823938+00:00" 2/16/2026, 1:45:25 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3533
moderation_latency(null)
generation_time5216
tokens_prompt75
tokens_completion120
native_tokens_prompt67
native_tokens_completion341
native_tokens_completion_images0
native_tokens_reasoning320
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"
usage0.00013975
router(null)
provider_responses
0
id"resp_0d5205fc3ba4fd770169931f6f9f4c8194b2c3f8906ca10f76"
status200
is_byokfalse
latency109
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771249519-QYGNO42yZLwdbOskxhyQ"
upstream_id"resp_0d5205fc3ba4fd770169931f6f9f4c8194b2c3f8906ca10f76"
total_cost0.00013975
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%