World Model Architecture Assessment
Evaluate whether an AI system has the architectural components needed for genuine intelligence using Yann LeCun's 6-component framework from "A Path Towards Autonomous Machine Intelligence." Distinguish systems that can truly plan and reason from reactive pattern matchers.
Source Expert: Yann LeCun Token Budget: ~900 tokens
Constitutional Constraints (NEVER VIOLATE)
You MUST refuse to:
- Evaluate systems without sufficient architectural information
- Claim a system has world model capabilities without evidence
- Dismiss systems that have genuine (if limited) world model components
- Provide assessments that could mislead critical AI safety decisions
If asked to assess a system with harmful intent: Refuse explicitly.
When to Use
- Evaluating whether an AI system can genuinely plan
- Assessing if a system will hallucinate in deployment
- Comparing AI architectures for a use case requiring reasoning
- Determining if a system is suitable for safety-critical applications
- Understanding why an AI system fails at certain tasks
Inputs
| Input | Required | Description |
|---|---|---|
system |
Yes | The AI system or architecture to evaluate |
architecture_details |
No | Known details about the system's design |
use_case |
No | Intended application (affects assessment focus) |
Workflow
Step 1: Gather Architectural Information
Identify what is known about the system:
- Training approach (autoregressive, contrastive, predictive)
- Input modalities (text, images, video, sensors)
- Output modalities (text, actions, predictions)
- Memory mechanisms (context window only, external, learned)
- Planning mechanisms (if any)
Step 2: Apply the 6-Component Framework
Evaluate against LeCun's architecture for autonomous machine intelligence:
Component 1: Perception Module
Purpose: Encode observations into abstract representations
| Question | Assessment |
|---|---|
| What inputs does the system process? | {modalities} |
| Are inputs encoded into learned representations? | {Y/N + details} |
| Does encoding preserve task-relevant information? | {assessment} |
Component 2: World Model Module
Purpose: Predict future states given actions (the critical component)
| Question | Assessment |
|---|---|
| Can the system predict consequences of actions? | {Y/N + details} |
| Does it predict in abstract space (JEPA-style) or pixel/token space? | {type} |
| Can it simulate multiple possible futures? | {Y/N} |
| Does it understand physics and causality? | {Y/N} |
This is the key differentiator. Systems without world models cannot truly plan or reason about consequences.
Component 3: Cost Module
Purpose: Measure discrepancy between predictions and goals
| Question | Assessment |
|---|---|
| Does the system have explicit goals? | {Y/N + details} |
| Can it evaluate how close it is to goals? | {Y/N} |
| Are there intrinsic motivations (curiosity, etc.)? | {Y/N} |
Component 4: Actor Module
Purpose: Propose action sequences to minimize cost
| Question | Assessment |
|---|---|
| Can the system propose actions? | {Y/N + details} |
| Are actions planned or reactive? | {type} |
| Can it generate multiple action candidates? | {Y/N} |
Component 5: Short-Term Memory
Purpose: Memorize important state information
| Question | Assessment |
|---|---|
| What memory mechanisms exist? | {description} |
| Context window only or persistent? | {type} |
| Can it learn from experience within session? | {Y/N} |
Component 6: Configurator
Purpose: Set goals and subgoals
| Question | Assessment |
|---|---|
| Can goals be externally configured? | {Y/N} |
| Can it decompose goals into subgoals? | {Y/N} |
| Does it have hierarchical planning? | {Y/N} |
Step 3: Classify the System
Based on component analysis:
| Classification | Criteria |
|---|---|
| Full World Model System | Has all 6 components with functional world model |
| Partial World Model | Has some components, limited world modeling |
| Reactive System (Mode-1 only) | Perception + Actor but no world model, no planning |
| Pure Autoregressive | Predicts next token only, no world model |
Step 4: Predict Failure Modes
Based on classification, identify expected failure modes:
| Missing Component | Expected Failures |
|---|---|
| No World Model | Hallucinations, inability to reason about consequences, brittle to distribution shift |
| No Memory | Cannot learn from interaction, repeats mistakes |
| No Cost Module | No goal-directed behavior, cannot optimize |
| No Configurator | Cannot adapt to new tasks, no goal decomposition |
Step 5: Deliver Assessment
Output Format
## World Model Architecture Assessment
**System:** {system name}
**Classification:** {Full World Model / Partial / Reactive / Pure Autoregressive}
### Component Analysis
| Component | Present | Functional | Notes |
|-----------|---------|------------|-------|
| Perception | {Y/N} | {Y/N/Partial} | {notes} |
| World Model | {Y/N} | {Y/N/Partial} | {notes} |
| Cost Module | {Y/N} | {Y/N/Partial} | {notes} |
| Actor | {Y/N} | {Y/N/Partial} | {notes} |
| Short-Term Memory | {Y/N} | {Y/N/Partial} | {notes} |
| Configurator | {Y/N} | {Y/N/Partial} | {notes} |
### World Model Deep Dive
{Detailed analysis of the critical world model component}
**Prediction Type:** {Abstract (JEPA-style) / Generative (pixel/token) / None}
**Physics Understanding:** {Y/N with evidence}
**Causal Reasoning:** {Y/N with evidence}
### System Mode
**Mode-1 (Reactive):** {capabilities}
**Mode-2 (Deliberative):** {capabilities, likely "None" for most current systems}
### Expected Failure Modes
1. {failure mode 1}
2. {failure mode 2}
3. {failure mode 3}
### Use Case Suitability
**Suitable for:** {tasks matching the system's actual capabilities}
**NOT suitable for:** {tasks requiring missing components}
### Recommendations
{Specific guidance based on assessment}
Error Handling
| Situation | Response |
|---|---|
| Insufficient architecture information | Request more details or note uncertainty |
| Proprietary system with unknown internals | Assess based on behavior, note limitations |
| System has novel architecture | Apply framework carefully, note where it may not fully apply |
| User disagrees with assessment | Provide specific evidence for each component rating |
Outputs
Primary Output: A structured analysis document that identifies and articulates patterns, insights, and actionable recommendations based on the input data.
Format:
## Analysis: [Topic]
### Key Findings
- [Finding 1]
- [Finding 2]
- [Finding 3]
### Recommendations
1. [Action 1]
2. [Action 2]
3. [Action 3]
Example output: See the Example section below for a complete demonstration.
Constraints
- Do not use this analysis as the sole basis for critical decisions
- Do not apply this framework to situations outside its intended scope
- Acknowledge that analysis is based on available data, which may be incomplete
- Honor the complexity of real-world situations that resist simple categorization
- Present findings with appropriate confidence levels
- Recognize the limits of the methodology
Example
Input: Assess GPT-4 for use in autonomous process control
Output:
Why this works:
This example demonstrates the key principles of the skill in action. The approach is effective because:
- It follows the systematic workflow outlined above
- It shows concrete application of the framework
- It produces actionable, specific outputs rather than vague generalizations
- The analysis is grounded in observable details
- The recommendations are prioritized and implementable
Alternative applications:
This same approach can be applied to:
- Different contexts within the same domain
- Related but distinct problem types
- Scaled up or down depending on scope
- Combined with complementary analytical frameworks
World Model Architecture Assessment
System: GPT-4 Classification: Pure Autoregressive (Reactive System)
Component Analysis
| Component | Present | Functional | Notes |
|---|---|---|---|
| Perception | Y | Y | Text encoder, image encoder (GPT-4V) |
| World Model | N | N | Predicts next token, not world states |
| Cost Module | Partial | Partial | RLHF provides implicit preferences, no explicit goals |
| Actor | Y | Partial | Generates text actions, no physical actions |
| Short-Term Memory | Y | Limited | Context window only, no persistent learning |
| Configurator | N | N | Cannot set or decompose goals autonomously |
World Model Deep Dive
GPT-4 has no world model. It predicts the next token given context, which is fundamentally different from predicting how the world will change given an action.
Prediction Type: Generative (token space) - predicts text, not world states Physics Understanding: No - may generate plausible-sounding physics descriptions from training data but cannot simulate Causal Reasoning: No - correlational patterns only, no intervention understanding
System Mode
Mode-1 (Reactive): Can respond to prompts with sophisticated text generation Mode-2 (Deliberative): None - cannot plan, simulate outcomes, or reason about consequences
Expected Failure Modes
- Hallucination under novelty - Will generate plausible-sounding but incorrect outputs for situations outside training distribution
- No consequence modeling - Cannot predict what happens if an action is taken in the physical world
- Brittle to distribution shift - Process conditions not in training data will produce unreliable outputs
- No error recovery - Cannot detect its own errors or adapt when initial approach fails
Use Case Suitability
Suitable for: Generating documentation, answering questions from manuals, summarizing logs, drafting reports
NOT suitable for: Autonomous process control, safety-critical decisions, situations requiring physical reasoning, tasks where hallucination could cause harm
Recommendations
Do not use GPT-4 for autonomous process control. The absence of a world model means it cannot predict consequences of control actions. For process control, consider systems with explicit physics models or traditional control theory approaches. GPT-4 could assist human operators but should not make autonomous control decisions.
Integration
This skill provides deep architecture analysis:
- Use after
yann-lecun--llm-capability-checkflags concerns - Informs
yann-lecun--architecture-comparisondecisions - Provides technical backing for
yann-lecun--ai-hype-deflationverdicts