Run: 2026-09-01-01M1EM9RDENVWDVZPG9FHY9SAB

Run Details

Model:
Grok 4.6 (Reasoning, High)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
5.1s
Cost:
$0.002280
Provider:
xAI

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"2026-09-01T13:59:50.453Z" 9/1/2026, 1:59:50 PM
model"x-ai/grok-4.6-20260810"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency513
moderation_latency(null)
generation_time5085
tokens_prompt74
tokens_completion32
native_tokens_prompt267
native_tokens_completion323
native_tokens_completion_images(null)
native_tokens_reasoning322
native_tokens_cached128
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"
usage0.00228
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788271190-2WhqNAxGGyodABSV6x8u"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788271190-AbXPOb167WgRxxN3zCAM"
upstream_id"9ae2461d-e86e-9cea-8e14-57f6df2d13b7"
provider_responses
0
endpoint_id"0d0536e3-7eb1-4acb-8249-c8813365c2d8"
id"9ae2461d-e86e-9cea-8e14-57f6df2d13b7"
is_byokfalse
latency418
model_permaslug"x-ai/grok-4.6-20260810"
provider_name"xAI"
status200
total_cost0.00228
cache_discount0.000192
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

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