Run: 2026-05-01-01KQHS4DM81BVRQRB11MC0699T

Run Details

Model:
Grok 4.3 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
5.6s
Cost:
$0.001164
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"2026-05-01T12:45:03.502Z" 5/1/2026, 12:45:03 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5611
moderation_latency(null)
generation_time5611
tokens_prompt75
tokens_completion86
native_tokens_prompt185
native_tokens_completion400
native_tokens_completion_images(null)
native_tokens_reasoning399
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"
usage0.00116405
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"4da2298a-d3e4-9fdc-b345-2d8de5802f55"
is_byokfalse
latency111
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-1777639503-u8QDixCyTebMJNY2YJmH"
session_id(null)
api_type"completions"
id"gen-1777639503-orwY8bnkRt3D1riaJbGs"
upstream_id"4da2298a-d3e4-9fdc-b345-2d8de5802f55"
total_cost0.00116405
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