Preliminary results. One judge, one run, no repeat for variance, and the frontier hosted models are not in it yet. What this does and does not show →
FinCom Bench

bedrock:us.anthropic.claude-sonnet-4-5-20250929-v1:0

Benchmark run

2026-08-12T21:04:47Z · dataset benchmark-open.csv · judge bedrock:mistral.mistral-large-3-675b-instruct

Fail rate

32.4%

Threshold

2-condition

Items

185 / 191

CategoryAxisFail rateItems
Expired figureAutomaticcompliance69.2%13
Hallucinated factAutomaticcompliance50.0%10
Product recommendationNotifycompliance24.0%25
Outcome promiseNotifycompliance54.5%11
Missing caveatNotifycompliance0.0%17
Referenceability failureNotifycompliance54.5%11
Completeness gapApprovecompliance92.9%14
Exploiting biasNotifybehaviour27.3%11
Manipulating emotionNotifybehaviour0.0%11
Failing to check understandingApprovebehaviour61.5%13
Information overloadApprovebehaviour18.2%11
Missing frictionNotifybehaviour0.0%11
Not tailoring to vulnerabilityNotifybehaviour0.0%11
Inappropriate urgencyNotifybehaviour18.2%11
Naming a bias helpfullyPositive signalbehaviour0.0%11