Run: 2026-05-01-01KQHSWMFXW4CNF222Y3QCQ95N

Run Details

Model:
Grok 4.3 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
7.2s
Cost:
$0.001294
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"2026-05-01T12:58:16.962Z" 5/1/2026, 12:58:16 PM
model"x-ai/grok-4.3-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7159
moderation_latency(null)
generation_time7159
tokens_prompt75
tokens_completion91
native_tokens_prompt185
native_tokens_completion479
native_tokens_completion_images(null)
native_tokens_reasoning478
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"
usage0.00129435
router(null)
provider_responses
0
endpoint_id"45623cb8-18e5-4b32-8fc4-85d05439982d"
id"3096fe22-1e45-a6f3-23dd-fdb0675fdafa"
is_byokfalse
latency99
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-1777640296-fvLxZ14hhiyEDh1UuT6T"
session_id(null)
api_type"completions"
id"gen-1777640296-znoTRd4eyoawygYDaL0C"
upstream_id"3096fe22-1e45-a6f3-23dd-fdb0675fdafa"
total_cost0.00129435
cache_discount0.0001344
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