Rubric Principles
- Constraint beats commitment. A delayed launch, blocked use case, or documented override matters more than a policy statement.
- Specificity beats slogans. Named owners, cadences, thresholds, and escalation paths score above generic responsible AI language.
- Verified evidence beats self-description. Hard-to-game evidence carries more weight than marketing copy.
- Repeatability beats one-off disclosure. A recurring board review or tested control scores above a single announcement.
- Weak links matter. A strong composite cannot erase a critical failure in safety, regulatory posture, or corrigibility.
1. Indicator-Level Anchors
Most Alpha indicators are scored on a 1-10 scale and then rolled into 0-100 dimension scores. Dedicated layers such as D11 and D12 can also use 0 when the company shows no demonstrable capability.Tie-break rule
When two adjacent scores are both plausible, the lower score wins unless there is evidence of either:- recurring execution over time, or
- governance holding under stress.
2. Evidence Quality Rubric
Alpha distinguishes between the strength of a claim and the strength of the evidence supporting it.3. Confidence Standard
Dimension confidence is derived from evidence density, not from how polished the narrative sounds.
High confidence does not mean perfect governance. It means Alpha has enough quality evidence to rate the company with conviction.
4. Weighting and Anti-Gaming Rules
Alpha does not treat every indicator equally.- Developer-critical indicators can count double. This applies to issues such as pre-deployment testing, model documentation, training data governance, and misuse evaluation where developers bear heavier obligations.
- High-resistance indicators get a 1.5x weight multiplier. These are difficult to fake because they require historical events, external verification, or regulator-grade evidence.
- Low-resistance indicators get a 0.8x multiplier. Self-reported commitments and easy-to-polish disclosures count, but they count less.
5. Dimension Decision Rubric
The table below gives the board-level question behind each dimension, the evidence pattern that typically supports a strong score, and the failure pattern that usually keeps a company below 5/10.6. Issuance Standard
Not every analytical output should be presented as a public letter grade.7. Grade Mapping
The final composite score maps to the Alpha Governance Scale as follows:
These bands are applied after profile weighting, materiality adjustment, and all ceiling logic.
8. Hard Constraints
Alpha uses explicit floor and ceiling rules so that a company cannot bury a critical governance failure inside a strong average.Materiality curve
Companies with the highest AI materiality face a stricter composite curve:- Critical materiality: composite multiplied by
0.92 - High materiality: composite multiplied by
0.96 - Moderate or Low materiality: no downward adjustment
General floor rules
These apply across D1-D10:Universal floor rules
Profile-specific floors
Corrigibility floor rules
These are the most important assessed-rating constraints in the framework:
Public Profiles do not use the assessed-rating D12 ceiling in the same way, because public evidence is structurally weaker and public letter grades are not issued.
Concern ceilings
The concern screen operates independently from dimension scoring:9. Current Review Standard
Before Alpha issues or changes an Assessed Rating, Steven Wolfe Pereira, as Alpha’s current methodology owner and reviewer, should be able to answer “yes” to all five questions below:- Does the evidence support the score, or only the narrative?
- Are the highest-weight indicators backed by hard-to-game proof?
- Has the company shown governance in practice, not just governance on paper?
- Does any floor, concern ceiling, or corrigibility ceiling apply?
- Would a skeptical board committee accept this rationale without needing unstated assumptions?

