Run: 2026-07-25-01KYCRMM5CEXGP90NM8B7REQEW

Run Details

Model:
Claude Opus 5 (Reasoning, Low)
Test:
Data extraction
Scenario:
Contextual pronoun
Duration:
3.6s
Cost:
$0.001585
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"2026-07-25T13:50:06.518Z" 7/25/2026, 1:50:06 PM
model"anthropic/claude-opus-5-20260723"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3487
moderation_latency(null)
generation_time3487
tokens_prompt50
tokens_completion20
native_tokens_prompt77
native_tokens_completion48
native_tokens_completion_images(null)
native_tokens_reasoning17
native_tokens_cached0
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"end_turn"
service_tier"default"
usage0.001585
router(null)
provider_responses
0
endpoint_id"76cb4608-f48c-483d-8da8-9957fb44244e"
id"msg_011CdNtBLcC1htCdc8NWjWvK"
is_byokfalse
latency1345
model_permaslug"anthropic/claude-opus-5-20260723"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784987406-eetPJBoPGXaCkXjiHoBN"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784987406-XjxwRIC0LDIv9OzCvSM3"
upstream_id"msg_011CdNtBLcC1htCdc8NWjWvK"
total_cost0.001585
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)
data_region"global"

Evaluation details

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