Run: 2026-02-20-01KHYB3MNT3VBHVYC917P88GQX

Run Details

Model:
Grok 4 Fast
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
1.6s
Cost:
$0.000079
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"2026-02-20T20:15:54.563Z" 2/20/2026, 8:15:54 PM
model"x-ai/grok-4-fast"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1503
moderation_latency(null)
generation_time1503
tokens_prompt51
tokens_completion2
native_tokens_prompt202
native_tokens_completion123
native_tokens_completion_images0
native_tokens_reasoning122
native_tokens_cached152
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"
usage0.0000791
router(null)
provider_responses
0
endpoint_id"c9586d9d-97ff-40ca-ae94-22504d6f9b7e"
id"13821a49-e0fa-3c11-b63e-4ec18431463c"
is_byokfalse
latency136
model_permaslug"x-ai/grok-4-fast"
provider_name"xAI"
status200
api_type"completions"
id"gen-1771618554-v42suE00dDZgb3UMsorX"
upstream_id"13821a49-e0fa-3c11-b63e-4ec18431463c"
total_cost0.0000791
cache_discount0.0000228
upstream_inference_cost0
provider_name"xAI"

Evaluation details

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