Run: 2026-04-24-01KPZV50MXEJQJM2X4W90DYP3D

Run Details

Model:
Claude Opus 4.7
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
966ms
Cost:
$0.000705
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"2026-04-24T13:34:00.361Z" 4/24/2026, 1:34:00 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency869
moderation_latency(null)
generation_time928
tokens_prompt75
tokens_completion1
native_tokens_prompt111
native_tokens_completion6
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"
usage0.000705
router(null)
provider_responses
0
endpoint_id"0fa65117-00d9-4835-808d-9b68041d9ce4"
id"96af25a8-3937-4166-bc84-fd850c2fbf0a"
is_byokfalse
latency869
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-1777037640-4BzU3PDqMrUvG4S7ABqG"
session_id(null)
api_type"completions"
id"gen-1777037640-9QaVB3WeBCAdbRKD7mic"
upstream_id"96af25a8-3937-4166-bc84-fd850c2fbf0a"
total_cost0.000705
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