flowchart TB subgraph OPENAI["OpenAI Architecture"] direction TB OAI_USER["User"] OAI_API["OpenAI API"] OAI_MODEL["GPT Model"] OAI_MEMORY["Memory (Platform Feature)"] OAI_CONTEXT["Context Window"] OAI_USER --> OAI_API OAI_API --> OAI_MODEL OAI_MODEL --> OAI_CONTEXT OAI_API --> OAI_MEMORY OAI_MEMORY -.->|"Injected into"| OAI_CONTEXT OAI_NOTE["Memory is:
- Platform-controlled
- Shallow key-value
- Not reasoned over
- Locked to OpenAI"] end subgraph ANTHROPIC["Anthropic Architecture"] direction TB ANT_USER["User"] ANT_API["Anthropic API"] ANT_MODEL["Claude Model"] ANT_CONTEXT["Context Window"] ANT_SYSTEM["System Prompt + Artifacts"] ANT_USER --> ANT_API ANT_API --> ANT_MODEL ANT_MODEL --> ANT_CONTEXT ANT_API --> ANT_SYSTEM ANT_SYSTEM -.->|"Prepended to"| ANT_CONTEXT ANT_NOTE["Memory is:
- Developer-managed
- No native persistence
- Stateless by default
- Context-window limited"] end subgraph PLASTIC["Plastic Labs Architecture"] direction TB PL_USER["User"] PL_HONCHO["Honcho Platform"] PL_IDENTITY["Identity Graph"] PL_MEMORY["Memory Store"] PL_NEURO["Neuromancer"] PL_FM["Any Foundation Model"] PL_CONTEXT["Enriched Context"] PL_USER --> PL_HONCHO PL_HONCHO --> PL_IDENTITY PL_HONCHO --> PL_MEMORY PL_IDENTITY --> PL_NEURO PL_MEMORY --> PL_NEURO PL_NEURO -->|"Reasons + Updates"| PL_HONCHO PL_HONCHO -->|"Enriched context"| PL_FM PL_FM --> PL_CONTEXT PL_NOTE["Memory is:
- User-owned
- Deeply structured
- Actively reasoned over
- Model-agnostic
- Portable"] end %% Styling style OPENAI fill:#e8f5e9,stroke:#2e7d32 style ANTHROPIC fill:#fff8e1,stroke:#f9a825 style PLASTIC fill:#e3f2fd,stroke:#1565c0

AI Architecture Showdown: OpenAI vs Anthropic vs Plastic Lab