Run: 2026-03-12-01KKHYY4F4QYPXWXCED3ZWPAA0

Run Details

Model:
Grok 4.20 (Beta, Reasoning)
Test:
Data extraction
Scenario:
Guess the pet
Duration:
2.2s
Cost:
$0.002590
Provider:
xAI

Evaluation summary

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

Model input

User/Human
What pet does Emma own based on the following text? Only return the pet type, nothing else. John has a dog. Sarah owns a cat. Emma's pet purrs and has whiskers. Peter has a hamster.

Model response

AI
cat The description of purring and having whiskers matches a cat (distinct from the explicitly named dog, cat for Sarah, and hamster).
created_at"2026-03-12T21:23:41.674Z" 3/12/2026, 9:23:41 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1731
moderation_latency(null)
generation_time1826
tokens_prompt46
tokens_completion36
native_tokens_prompt168
native_tokens_completion414
native_tokens_completion_images0
native_tokens_reasoning386
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"
usage0.0025896
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"f5db5f8d-74d0-c89c-2928-7af5ddafa656"
is_byokfalse
latency276
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-1773350621-WmV2GOoCu1i49imjRJtK"
upstream_id"f5db5f8d-74d0-c89c-2928-7af5ddafa656"
total_cost0.0025896
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
Fail Matches text
Case insensitive: cat
 n/a
Pass Matches Regex
/\bcat\b/i
 n/a
no eval