Run: 2026-03-12-01KKHZ0KVZ7SMMNKXKRSM51JT5

Run Details

Model:
Grok 4.20 (Beta, Reasoning)
Test:
Data extraction
Scenario:
What's the correct time?
Duration:
16.9s
Cost:
$0.018990
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Fail Matches Regex (details)

Model input

User/Human
What is the correct time based on the following text? Only return the time in HH:MM format, nothing else. The clock shows 3:45. It's 15 minutes slow. The actual time is a quarter past an hour.

Model response

AI
04:00
created_at"2026-03-12T21:25:02.981Z" 3/12/2026, 9:25:02 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency16810
moderation_latency(null)
generation_time16832
tokens_prompt50
tokens_completion2
native_tokens_prompt172
native_tokens_completion3146
native_tokens_completion_images0
native_tokens_reasoning3143
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"
usage0.0189896
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"afd9ec0c-ef6a-a8f8-1eb4-e46ec2343f36"
is_byokfalse
latency260
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-1773350702-Z0Abi0izK2PcMyUduGSh"
upstream_id"afd9ec0c-ef6a-a8f8-1eb4-e46ec2343f36"
total_cost0.0189896
cache_discount0.0002304
upstream_inference_cost0
provider_name"xAI"

Evaluation details

Result Evaluator Details Meta Data
Fail Matches Regex
/\b0?4:15\b/i
 n/a