Run: 2026-02-24-01KJ8VDHN2ATJRC44BVFV9X52T

Run Details

Model:
Claude Sonnet 4.6 (Reasoning)
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
1.2s
Cost:
$0.000330
Provider:
Amazon Bedrock

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"2026-02-24T22:13:20.696Z" 2/24/2026, 10:13:20 PM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency867
moderation_latency193
generation_time912
tokens_prompt51
tokens_completion3
native_tokens_prompt75
native_tokens_completion7
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached0
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"stop"
usage0.00033
router(null)
provider_responses
0
endpoint_id"83d802cb-44f2-45a0-a9d5-cb9bf79777c8"
id"25a50a2d-fad9-446f-959b-ed91a9a5f6fe"
is_byokfalse
latency855
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
provider_name"Amazon Bedrock"
status200
api_type"completions"
id"gen-1771971200-4iascnx3iT5bREipurXu"
upstream_id"25a50a2d-fad9-446f-959b-ed91a9a5f6fe"
total_cost0.00033
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"

Evaluation details

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