Run: 2026-04-24-01KQ0GADRCBK9CE9D13DTW2MQ7

Run Details

Model:
Claude Opus 4.7 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
839ms
Cost:
$0.000730
Provider:
Amazon Bedrock

Evaluation summary

Score Evaluator
Details Link
Pass Matches text (details)
Pass Matches Regex (details)
no eval Overall

Model input

User/Human
What instrument does Lucy play based on the following text? Only return the instrument, nothing else. In the school band, there are four instruments: drums, bass, flute, trumped. John plays the drums, Mary plays the flute, and Pete plays the trumpet. Lucy doesn't play a wind instrument.

Model response

AI
Bass
created_at"2026-04-24T19:43:57.712Z" 4/24/2026, 7:43:57 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency784
moderation_latency(null)
generation_time814
tokens_prompt75
tokens_completion1
native_tokens_prompt111
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)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
usage0.00073
router(null)
provider_responses
0
endpoint_id"0fa65117-00d9-4835-808d-9b68041d9ce4"
id"5060e8a2-6e2d-4312-9a40-8e9c9e1d1c3c"
is_byokfalse
latency776
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777059837-oNZ9p8ZvjKgHYekKb9p8"
session_id(null)
api_type"completions"
id"gen-1777059837-Pl3INrb3VN5dJMW25CVn"
upstream_id"5060e8a2-6e2d-4312-9a40-8e9c9e1d1c3c"
total_cost0.00073
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
Pass Matches text
Case insensitive: bass
 n/a
Pass Matches Regex
/\bbass\b/i
 n/a
no eval