Run: 2026-07-08-01KX1KRSN6FJ1X8RMFCBFJQS7H

Run Details

Model:
Grok 4.5 (Reasoning, High)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
3.7s
Cost:
$0.001806
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"2026-07-08T19:37:39.756Z" 7/8/2026, 7:37:39 PM
model"x-ai/grok-4.5-20260708"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency463
moderation_latency(null)
generation_time3714
tokens_prompt75
tokens_completion33
native_tokens_prompt267
native_tokens_completion276
native_tokens_completion_images(null)
native_tokens_reasoning275
native_tokens_cached256
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"
usage0.001806
router(null)
provider_responses
0
endpoint_id"0e927811-b1a8-4604-8b86-db5ce6eaa87c"
id"af225f37-f294-9d1a-82b8-f417b32873d6"
is_byokfalse
latency114
model_permaslug"x-ai/grok-4.5-20260708"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783539459-X6l1xP9G9jml4YDiVwNs"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783539459-yF2OTjmvvcFXMkRb39c6"
upstream_id"af225f37-f294-9d1a-82b8-f417b32873d6"
total_cost0.001806
cache_discount0.000384
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)
data_region"global"

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