Run: 2026-03-12-01KKHZN9SJK3J4X1D40NJTMN5K

Run Details

Model:
Grok 4.20 (Beta, Reasoning)
Test:
Data extraction
Scenario:
Who's the sister?
Duration:
1.4s
Cost:
$0.001752
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
Who is the sister of Sandie based on the following text? Only return the name, nothing else. Sandie has a doll named Lulu, she carries it around all day. She says she's her little sister, but her actual sister's name is Cassie.

Model response

AI
Cassie
created_at"2026-03-12T21:36:20.793Z" 3/12/2026, 9:36:20 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1369
moderation_latency(null)
generation_time1380
tokens_prompt59
tokens_completion2
native_tokens_prompt175
native_tokens_completion272
native_tokens_completion_images0
native_tokens_reasoning270
native_tokens_cached128
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
usage0.0017516
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"9cde26eb-77f5-2243-8622-cf56ad4478da"
is_byokfalse
latency263
model_permaslug"x-ai/grok-4.20-beta-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773351380-heymmUHk20CQpuXuIhb7"
upstream_id"9cde26eb-77f5-2243-8622-cf56ad4478da"
total_cost0.0017516
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case sensitive: Cassie
 n/a
Pass Matches Regex
/\bCassie\b/
 n/a
no eval