Run: 2026-07-09-01KX40QGX0YWZM2FNPCGMEMC1K

Run Details

Duration:
2.1s
Cost:
$0.000319
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

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"2026-07-09T18:02:38.377Z" 7/9/2026, 6:02:38 PM
model"openai/gpt-5.6-luna-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency960
moderation_latency(null)
generation_time1897
tokens_prompt75
tokens_completion107
native_tokens_prompt67
native_tokens_completion42
native_tokens_completion_images0
native_tokens_reasoning35
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"default"
usage0.000319
router(null)
provider_responses
0
endpoint_id"eebea444-34a5-4642-a766-cb319471d33a"
id"resp_045676e2cc89d773016a4fe23e74948194ac5e7ae49fb9274e"
is_byokfalse
latency245
model_permaslug"openai/gpt-5.6-luna-20260709"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783620158-lz83ZfxGKLytj0XLJDpD"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783620158-qj0Du9wEPRowe9BD9YO6"
upstream_id"resp_045676e2cc89d773016a4fe23e74948194ac5e7ae49fb9274e"
total_cost0.000319
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case insensitive: bass
n/a
Pass Matches Regex
/\bbass\b/i
n/a
no eval