Run: 2026-05-01-01KQHQX9XGGC17RD9N0YK8G9NX

Run Details

Model:
Grok 4.20
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
20.9s
Cost:
$0.000145
Provider:
xAI

Evaluation summary

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

Model input

User/Human
Who does "he" refer to in the last sentence? Only return the name. Tom and Jerry were playing in the yard. Spike, the dog, was watching them from his kennel. Suddenly, he started barking loudly.

Model response

AI
Spike
created_at"2026-05-01T12:23:41.749Z" 5/1/2026, 12:23:41 PM
model"x-ai/grok-4.20-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency19787
moderation_latency(null)
generation_time20881
tokens_prompt51
tokens_completion2
native_tokens_prompt168
native_tokens_completion1
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.0001453
router(null)
provider_responses
0
endpoint_id"3ecee37f-b217-4093-87fb-aaf0afe307af"
id"91ef0419-894e-9a5d-9fb6-db627ef32e17"
is_byokfalse
latency71
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-1777638221-KZ7fIMezf64pzHEe3rEj"
session_id(null)
api_type"completions"
id"gen-1777638221-JkoL0wVYYaERk9BXALyM"
upstream_id"91ef0419-894e-9a5d-9fb6-db627ef32e17"
total_cost0.0001453
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: Spike
 n/a
Pass Matches Regex
/\bSpike\b/
 n/a
no eval