Run: 2026-04-24-01KQ0N8TB7AAF6PNDEGXEY2QAX

Run Details

Model:
GPT-5.5
Duration:
748ms
Cost:
$0.000485
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"2026-04-24T21:10:27.95Z" 4/24/2026, 9:10:27 PM
model"openai/gpt-5.5-20260423"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency603
moderation_latency(null)
generation_time721
tokens_prompt75
tokens_completion1
native_tokens_prompt67
native_tokens_completion5
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.000485
router(null)
provider_responses
0
endpoint_id"58e5b336-423e-430b-a2ab-8bc353f0c51b"
id"resp_092f1d84903063440169ebdc44058c8196a9d3e409c278460f"
is_byokfalse
latency264
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-1777065027-fNIM8x0rYuwwINn8EZ7z"
session_id(null)
api_type"completions"
id"gen-1777065027-73tLsAvdxBZFhNw8c4US"
upstream_id"resp_092f1d84903063440169ebdc44058c8196a9d3e409c278460f"
total_cost0.000485
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