Run: 2026-05-01-01KQHQZ24PTHCY6MEX4NDPJBRQ

Run Details

Model:
Grok 4.20 (Reasoning)
Test:
Data extraction
Scenario:
What's the correct time?
Duration:
42.9s
Cost:
$0.010220
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"2026-05-01T12:24:39.324Z" 5/1/2026, 12:24:39 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency42801
moderation_latency(null)
generation_time42851
tokens_prompt50
tokens_completion34
native_tokens_prompt172
native_tokens_completion4029
native_tokens_completion_images(null)
native_tokens_reasoning4026
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"
usage0.0102203
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"86584a95-640f-0686-f49b-f9370a6e1315"
is_byokfalse
latency96
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-1777638279-aIayXQuc9D5DkHryEW2k"
session_id(null)
api_type"completions"
id"gen-1777638279-XG5CaTlKbMyMQQ7F7pkX"
upstream_id"86584a95-640f-0686-f49b-f9370a6e1315"
total_cost0.0102203
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