Run: 2026-03-12-01KKHYVWW7HQBXXR8N30MCCSHP

Run Details

Duration:
3.4s
Cost:
$0.003679
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 sister of Sandie based on the following text? Only return the name, nothing else. Sandie has a doll named Lulu, she carries it around all day. She says she's her little sister, but her actual sister's name is Cassie.

Model response

AI
Cassie The text explicitly distinguishes between the doll (Lulu) that Sandie pretends is "her little sister" and the "actual sister's name" which is stated as Cassie.
created_at"2026-03-12T21:22:28.363Z" 3/12/2026, 9:22:28 PM
model"x-ai/grok-4.20-beta-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3138
moderation_latency(null)
generation_time3355
tokens_prompt59
tokens_completion45
native_tokens_prompt175
native_tokens_completion574
native_tokens_completion_images0
native_tokens_reasoning537
native_tokens_cached64
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"
usage0.0036788
router(null)
provider_responses
0
endpoint_id"33f49f24-a0de-4dcf-872d-ca514e83fbae"
id"9dbc18c4-6196-c6d8-aaaf-cd442b77656c"
is_byokfalse
latency236
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-1773350548-POMlxItgl8eYveRCrBzk"
upstream_id"9dbc18c4-6196-c6d8-aaaf-cd442b77656c"
total_cost0.0036788
cache_discount0.0001152
upstream_inference_cost0
provider_name"xAI"

Evaluation details

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