Cognitive Transitions
model layer| ID | Relation | Actor | Result | Output |
|---|
| CT-D8-001 | activate@exception_condition | claude/opus-4.8 | accepted | activates unless/provided-that conditions in contract clauses |
| CT-D8-002 | scope@applicability | claude/opus-4.8 | accepted | bounds clause applicability to stated jurisdiction and conditions |
| CT-D8-003 | identify@clause_type | claude/sonnet-4.6 | accepted | reliable for first-pass clause identification and NDA triage |
| CT-D8-004 | validate@jurisdiction | claude/opus-4.8 | bounded | useful for scoping but not authoritative; requires attorney review |
E-D8-001bounded
Opus 4.8 Legal Agent Benchmark: highest recorded, first to break 10% all-pass
E-GLOBAL-008E-D8-002bounded
Opus 4.6 scored 90.2% on Harvey BigLaw Bench
E-GLOBAL-011E-D8-003bounded
Sonnet 4.6 suitable for NDA triage and first-pass review at 5x lower cost
The Legal Prompts, Feb 2026E-D8-004accepted
No AI model is a reliable final authority on binding legal decisions
professional standards + benchmark design