Run: 2026-09-23-01M36TX0264G394MQV9DZRXQ6Y

Run Details

Model:
Grok 4.7 (Reasoning, High)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
3.9s
Cost:
$0.002061
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"2026-09-23T09:52:40.524Z" 9/23/2026, 9:52:40 AM
model"x-ai/grok-4.7-20260916"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency615
moderation_latency(null)
generation_time3851
tokens_prompt74
tokens_completion32
native_tokens_prompt1303
native_tokens_completion283
native_tokens_completion_images(null)
native_tokens_reasoning282
native_tokens_cached1152
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"
usage0.0020608
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790157160-1Z1cMfuA3by1qvVcRGQf"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790157160-rCjSRrumWC4k46DRUFkd"
upstream_id"6bbefea6-f8f3-9898-bd8f-53808e892c17"
provider_responses
0
endpoint_id"48cfe052-27db-4511-bd21-db8053f20023"
id"6bbefea6-f8f3-9898-bd8f-53808e892c17"
is_byokfalse
latency166
model_permaslug"x-ai/grok-4.7-20260916"
provider_name"xAI"
status200
total_cost0.0020608
cache_discount0.0013824
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