Run: 2026-03-12-01KKHZ2JQ9A7E54D3C5XPY69HB

Run Details

Model:
Grok 4.20 (Beta)
Test:
Data extraction
Scenario:
Indirect birth year
Duration:
451ms
Cost:
$0.000178
Provider:
xAI

Evaluation summary

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

Model input

User/Human
What year was Sarah born? Only return the year as a four-digit number. In 2023, Sarah celebrated her 30th birthday with a big party. Her younger sister, who is 5 years younger, couldn't attend because she was studying abroad.

Model response

AI
2023 - 30 = 1993.
created_at"2026-03-12T21:26:07.343Z" 3/12/2026, 9:26:07 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency394
moderation_latency(null)
generation_time414
tokens_prompt58
tokens_completion5
native_tokens_prompt174
native_tokens_completion10
native_tokens_completion_images0
native_tokens_reasoning0
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"
usage0.0001776
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"ef2b3fa7-2f82-1eb5-21b3-6108f208a1df"
is_byokfalse
latency380
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-1773350767-iErp5JWjlot5B6hFc1Ue"
upstream_id"ef2b3fa7-2f82-1eb5-21b3-6108f208a1df"
total_cost0.0001776
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
Fail Matches text
Case sensitive: 1993
 n/a
Pass Matches Regex
/\b1993\b/
 n/a
no eval