Runtime Governance Layer
Exogram + Letta (formerly MemGPT)
“Infinite context needs strict governance.”
What Letta (formerly MemGPT) Does
- •Letta (MemGPT) creates stateful AI agents that manage their own hierarchical ledger.
- •Treats LLMs like operating systems, dynamically paging context in and out to simulate infinite ledger.
- •Massively increases agent autonomy, allowing them to formulate plans based on deep historical context.
- •Does not provide an execution firewall to ensure those hyper-autonomous plans are safe.
What Exogram Does
- ▸Exogram acts as the enforcement boundary for Letta agents.
- ▸As Letta scales autonomy, the risk of semantic drift and compounded probabilistic variance scales with it. Exogram mathematically halts execution errors.
- ▸Ensures that an agent with "infinite ledger" doesn't execute an infinitely damaging action.
Key Differences
| Dimension | Letta | Exogram |
|---|---|---|
| Function | OS-level ledger Paging | Execution Gating & Admissibility |
| Autonomy Vector | Increases Autonomy | Governs Autonomy |
The Verdict
Use Letta to build brilliant, long-running contextual agents. Use Exogram so you can actually trust them in production.
Interception Latency Benchmark
Unlike standard LLM-based guardrails that invoke external APIs on every single tool execution, Exogram compiles policies to execute in-memory inside the client runtime.
Letta (LLM / API Check)~220.00 ms
Exogram Authority Runtime (In-Memory Intercept)0.07 ms
Is Letta (formerly MemGPT) vulnerable to execution drift?
Run a static analysis on your LLM pipeline below.
STATIC ANALYSIS
Frequently Asked Questions
Is infinite ledger dangerous for AI?
ledger itself isn't dangerous, but high-context autonomy increases the surface area for latent unauthorized executions to trigger destructive actions. A governance layer is mandatory.