A Self-Hosted Operating System for Language Model Internals
MemicOS lets you observe, steer, and build on the internals of
modern language models with full control over inference,
activations, and behavior.
No black boxes. No guesswork. Just visibility.
No black boxes. No guesswork. Just visibility.
Compatible With the Tools You Actually Use
Understand Model Behavior
Expose how and why models generate specific outputs. Trace
decisions back to internal activations for full
interpretability.
Experiment with Precision
Test model modifications in a safe, local sandbox. Adjust
activations, compare traces, and measure outcomes without
external dependencies.
Build with Confidence
Deploy language models into research or production environments
with visibility, control, and transparency built in from the
start.
Comprehensive AI Governance Platform
Everything you need to govern AI safely, from vendor evaluation to
real-time monitoring
Activation Explorer
Trace neuron-level activations across layers. Visualize internal
dynamics and connect patterns back to tokens and concepts.
Modular Dashboards
Build custom dashboards for inspecting, monitoring, or analyzing
model behavior. All components are plug-and-play.
Inference Sandbox
Run isolated inference pipelines with full control over
behavior, datasets, and steering logic. Fully local.
Feature Steering
Adjust internal activations and see output changes in real time.
Design and test targeted model behaviors.
SAE Management
Import, manage, and version Source Activation Environments
(SAEs). Supports UI upload, bulk loading, and cloud sync.
Custom Model Support
Launch new models using simple config files. Compatible with
HuggingFace, Gemma, LLaMA, OpenMOSS, and more.
Offline-First Architecture
Everything runs on your own hardware. No remote calls, no cloud
dependency, and no data exposure.
External Integrations
Connect with LangChain, LlamaIndex, vector databases, and other
agent frameworks. Built for interoperability.
Trace-Based Analytics
Compare activation traces across prompts, models, and
configurations. Get token-level metrics and behavioral insights.
Works with Your LLM and Agent Stack
Connect MemicOS to the frameworks and tools already powering your
AI workflows.
Stop Guessing What Your Model Is Doing
Start building with real insight into how language models behave.
Deploy MemicOS and take full control of your LLM stack today.