Run: 2026-05-01-01KQHT2KS0PRWQF2786T7NZEDY

Run Details

Model:
Grok 4.20 (Reasoning)
Test:
Data extraction
Scenario:
What's the correct time?
Duration:
52.1s
Cost:
$0.008513
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"2026-05-01T13:01:32.836Z" 5/1/2026, 1:01:32 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency52044
moderation_latency(null)
generation_time52049
tokens_prompt50
tokens_completion651
native_tokens_prompt172
native_tokens_completion3346
native_tokens_completion_images(null)
native_tokens_reasoning3343
native_tokens_cached64
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"
usage0.0085128
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"6abf4cf1-3201-a8b7-c2b0-67a4e4068538"
is_byokfalse
latency102
model_permaslug"x-ai/grok-4.20-20260309"
provider_name"xAI"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777640492-tiiL9OpJXMxo1l9P5R9i"
session_id(null)
api_type"completions"
id"gen-1777640492-ME5GZzFdhpWSEFNEBm5V"
upstream_id"6abf4cf1-3201-a8b7-c2b0-67a4e4068538"
total_cost0.0085128
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

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