Run: 2026-02-18-01KHQ92Z14MWCND4K5Q0QJGQBY

Run Details

Model:
Claude Sonnet 4.6
Test:
Data extraction
Scenario:
What instrument does Lucy play?
Duration:
1.4s
Cost:
$0.000279
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"2026-02-18T02:25:56.131228+00:00" 2/18/2026, 2:25:56 AM
model"anthropic/claude-4.6-sonnet-20260217"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1118
moderation_latency186
generation_time1169
tokens_prompt75
tokens_completion1
native_tokens_prompt73
native_tokens_completion4
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)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.000279
router(null)
provider_responses
0
id"c9beb8da-fe8b-44d4-b1a2-b011ad8357e9"
status200
is_byokfalse
latency1117
endpoint_id"83d802cb-44f2-45a0-a9d5-cb9bf79777c8"
provider_name"Amazon Bedrock"
model_permaslug"anthropic/claude-4.6-sonnet-20260217"
api_type"completions"
id"gen-1771381554-ZlUmNArtSguzXzoCF5v7"
upstream_id"c9beb8da-fe8b-44d4-b1a2-b011ad8357e9"
total_cost0.000279
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