Run: 2026-02-20-01KHY8T6ZFV7MA3CAC8KQ5VJ7H

Run Details

Model:
Grok 4.1 Fast
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
3.2s
Cost:
$0.000092
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"2026-02-20T19:35:48.479Z" 2/20/2026, 7:35:48 PM
model"x-ai/grok-4.1-fast"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1632
moderation_latency(null)
generation_time3154
tokens_prompt51
tokens_completion25
native_tokens_prompt202
native_tokens_completion148
native_tokens_completion_images0
native_tokens_reasoning147
native_tokens_cached151
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"
usage0.00009175
router(null)
provider_responses
0
endpoint_id"9821aa0e-dce3-4c27-9716-161359123d0b"
id"14db6e45-1b37-0793-0bd0-97219c42fa9b"
is_byokfalse
latency1440
model_permaslug"x-ai/grok-4.1-fast"
provider_name"xAI"
status200
api_type"completions"
id"gen-1771616148-VIAf3yct8Qk8gtU6mznT"
upstream_id"14db6e45-1b37-0793-0bd0-97219c42fa9b"
total_cost0.00009175
cache_discount0.00002265
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