Run: 2026-04-24-01KQ0NTWD11D3WANN8J4448T77

Run Details

Model:
GPT-5.5 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
4.6s
Cost:
$0.002135
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"2026-04-24T21:20:19.883Z" 4/24/2026, 9:20:19 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4454
moderation_latency(null)
generation_time4482
tokens_prompt75
tokens_completion99
native_tokens_prompt67
native_tokens_completion60
native_tokens_completion_images0
native_tokens_reasoning53
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"
usage0.002135
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_04843061a6b2ef500169ebde93f4a48194b86cf9cbb5b28218"
is_byokfalse
latency382
model_permaslug"openai/gpt-5.5-20260423"
provider_name"OpenAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777065619-ykKW8dhn93soRIwEM6eW"
session_id(null)
api_type"completions"
id"gen-1777065619-9dQJChqYuoTHjhY0mYms"
upstream_id"resp_04843061a6b2ef500169ebde93f4a48194b86cf9cbb5b28218"
total_cost0.002135
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"
response_cache_source_id(null)

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