Run: 2026-05-01-01KQHSE7NZRZPYRCSWQJH1013H

Run Details

Model:
Grok 4.3 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
3.7s
Cost:
$0.000824
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"2026-05-01T12:50:25.093Z" 5/1/2026, 12:50:25 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3661
moderation_latency(null)
generation_time3697
tokens_prompt75
tokens_completion32
native_tokens_prompt185
native_tokens_completion264
native_tokens_completion_images(null)
native_tokens_reasoning263
native_tokens_cached64
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"
usage0.00082405
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"3c50ac61-02d6-9642-a867-8b04523f1712"
is_byokfalse
latency105
model_permaslug"x-ai/grok-4.3-20260430"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777639825-8g0eyQGl2MeeBHm6C4fN"
session_id(null)
api_type"completions"
id"gen-1777639825-gqqxHSez7kW7XCjAyA2I"
upstream_id"3c50ac61-02d6-9642-a867-8b04523f1712"
total_cost0.00082405
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
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