Run: 2026-05-01-01KQHSVWC53FQBWGPXY613RJ2B

Run Details

Model:
Grok 4.20 (Reasoning)
Test:
Data extraction
Scenario:
Who's the sister?
Duration:
8.8s
Cost:
$0.002279
Provider:
xAI

Evaluation summary

Score Evaluator
Details Link
Pass 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
created_at"2026-05-01T12:57:52.268Z" 5/1/2026, 12:57:52 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency8719
moderation_latency(null)
generation_time8746
tokens_prompt59
tokens_completion126
native_tokens_prompt175
native_tokens_completion851
native_tokens_completion_images(null)
native_tokens_reasoning849
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"
usage0.00227905
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"01851eab-3434-408f-18f6-1b9a0971af25"
is_byokfalse
latency149
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-1777640272-etUPdzB2iMfvTpokdWB1"
session_id(null)
api_type"completions"
id"gen-1777640272-0UFyKGB1u8MmzgUhLvCT"
upstream_id"01851eab-3434-408f-18f6-1b9a0971af25"
total_cost0.00227905
cache_discount0.0000672
upstream_inference_cost0
provider_name"xAI"
response_cache_source_id(null)

Evaluation details

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