Run: 2026-05-01-01KQHR181TDEWQQJDXZ3V6XYQ6

Run Details

Duration:
5.8s
Cost:
$0.001497
Provider:
xAI

Evaluation summary

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

Model input

User/Human
Who is the tallest person based on the following text? Only return the name, nothing else. Jack is shorter than Jill. Jill is taller than Tom but shorter than Sarah. Mike is the same height as Jack.

Model response

AI
Sarah The relations establish a clear height ordering: Sarah > Jill > (Jack = Mike) and Jill > Tom. No other person exceeds Sarah's height.
created_at"2026-05-01T12:25:50.92Z" 5/1/2026, 12:25:50 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency5358
moderation_latency(null)
generation_time5779
tokens_prompt52
tokens_completion139
native_tokens_prompt167
native_tokens_completion542
native_tokens_completion_images(null)
native_tokens_reasoning510
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"
usage0.00149655
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"6d083dda-87a0-a222-c790-73166e63b2a9"
is_byokfalse
latency76
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-1777638350-XflYsbMJ6avuGdT42QcM"
session_id(null)
api_type"completions"
id"gen-1777638350-5M1gFy37qSRH4KQFdOQn"
upstream_id"6d083dda-87a0-a222-c790-73166e63b2a9"
total_cost0.00149655
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

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