Run: 2026-02-24-01KJ8V1FJAX9QTRKRS2VFKJ32J

Run Details

Model:
Claude Opus 4.6 (Reasoning)
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
3.1s
Cost:
$0.001675
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"2026-02-24T22:06:45.334Z" 2/24/2026, 10:06:45 PM
model"anthropic/claude-4.6-opus-20260205"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1502
moderation_latency174
generation_time2446
tokens_prompt75
tokens_completion36
native_tokens_prompt90
native_tokens_completion49
native_tokens_completion_images(null)
native_tokens_reasoning33
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"
usage0.001675
router(null)
provider_responses
0
endpoint_id"a8708fb9-08ea-43bb-a3b1-165c87ef09df"
id"280f5bf7-83f6-4cdc-805f-09776c653f3b"
is_byokfalse
latency1463
model_permaslug"anthropic/claude-4.6-opus-20260205"
provider_name"Amazon Bedrock"
status200
api_type"completions"
id"gen-1771970805-gz91OcGN4YdOyPZZyQ6E"
upstream_id"280f5bf7-83f6-4cdc-805f-09776c653f3b"
total_cost0.001675
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"

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