Run: 2026-05-19-01KS0TM6DQFC70QMRJX46PGDBV

Run Details

Model:
Gemini 3.5 Flash (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
1.6s
Cost:
$0.002043
Provider:
Google AI Studio

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"2026-05-19T19:15:27.292Z" 5/19/2026, 7:15:27 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1512
moderation_latency(null)
generation_time1512
tokens_prompt75
tokens_completion1
native_tokens_prompt66
native_tokens_completion216
native_tokens_completion_images0
native_tokens_reasoning215
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"STOP"
service_tier"standard"
usage0.002043
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"z7YMat_yGpiI-sAP4NbJqA8"
is_byokfalse
latency1511
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218127-KRKpaxmisPjZcCv1Nx8q"
session_id(null)
api_type"completions"
id"gen-1779218127-bXbGpFILBuCGb7DszsVW"
upstream_id"z7YMat_yGpiI-sAP4NbJqA8"
total_cost0.002043
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
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