Run: 2026-09-23-01M36V9ECKZVKQBGY7V8TR8FS9

Run Details

Model:
Grok 4.7 (Reasoning, High)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
4.3s
Cost:
$0.001955
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"2026-09-23T09:59:28.411Z" 9/23/2026, 9:59:28 AM
model"x-ai/grok-4.7-20260916"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency590
moderation_latency(null)
generation_time4303
tokens_prompt74
tokens_completion32
native_tokens_prompt1303
native_tokens_completion293
native_tokens_completion_images(null)
native_tokens_reasoning292
native_tokens_cached1280
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"
usage0.0019552
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790157568-LE8C8V5WNeGa8N2m01gT"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790157568-8p7Ad291qAtQKaR2CfHh"
upstream_id"eaab99bf-83f7-9b16-9eaf-d0c2cf7997dc"
provider_responses
0
endpoint_id"c942f37a-87e1-4fa8-83d0-8c67fda4fb4a"
id"eaab99bf-83f7-9b16-9eaf-d0c2cf7997dc"
is_byokfalse
latency188
model_permaslug"x-ai/grok-4.7-20260916"
provider_name"xAI"
status200
total_cost0.0019552
cache_discount0.001536
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