Run: 2026-07-25-01KYCRNS9YHF6KVF6GK6Y25289

Run Details

Duration:
3.3s
Cost:
$0.002110
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
Fail 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** — since barking indicates the dog, not Tom or Jerry.
created_at"2026-07-25T13:50:44.55Z" 7/25/2026, 1:50:44 PM
model"anthropic/claude-opus-5-20260723"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2988
moderation_latency(null)
generation_time3191
tokens_prompt50
tokens_completion34
native_tokens_prompt77
native_tokens_completion69
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"
usage0.00211
router(null)
provider_responses
0
endpoint_id"76cb4608-f48c-483d-8da8-9957fb44244e"
id"msg_011CdNtEA4mH2Xf8VM9y6y3M"
is_byokfalse
latency1710
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-1784987444-1DTluqnOpylxig5gKfnq"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784987444-0keOGGp3tqYaDGdvdSMF"
upstream_id"msg_011CdNtEA4mH2Xf8VM9y6y3M"
total_cost0.00211
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
Fail Matches text
Case sensitive: Spike
n/a
Pass Matches Regex
/\bSpike\b/
n/a
no eval