---
id: "question-cross-model"
type: "open-question"
source_timestamps: ["§4.6"]
tags: ["limitation", "generalization"]
related: ["entity-claude-code", "concept-five-layer-hierarchy"]
sources: ["paper"]
sourceVaultSlug: "icm-paper-folder-architecture-2026Jun02"
originDay: 2
---
# Does ICM generalize across model families?

## The question

Does the [[concept-five-layer-hierarchy]] hold outside the Claude family?

All current testing used a single family — **Claude Opus 4.6 + Sonnet 4.6**, via [[entity-claude-code]].

## Why it matters

Output quality may vary with other models, particularly those with **different context-handling characteristics**:

- different attention patterns,
- different sensitivity to instruction placement,
- different effective context lengths,
- different behaviour on long markdown blocks.

Whether the five-layer hierarchy is robust — or fitted to Claude's specific characteristics — is **untested**.

## Resolution path

**Formal cross-model evaluation** of the same ICM workspaces on GPT-4 class, Gemini, Llama 3, etc., measuring stage-level output quality and intervention burden.

Named in the paper as the natural next step alongside [[question-controlled-comparison]].


## Related across days
- [[entity-claude-code]]
- [[concept-five-layer-hierarchy]]
- [[open-arc-what-remains]]