Proprietary Model
Developing Cortical's own model — optimized for reasoning, steerability, and the constraints of real deployment. Will sit alongside BYOK providers.
research / architectureFree tools · Bring your own API key
AI tools that stay free. Models you already pay for.
Cortical Chat and Cortical Code are free forever — connect your own API key from OpenAI, Anthropic, Google, or any provider. No subscription. We're also building a proprietary model to power everything natively.
Y
You
Explain how a transformer model processes language in two sentences.
Cortical
A transformer breaks the input into tokens, then uses self-attention to let every token weigh the relevance of every other token in parallel. Stacked layers of this attention mechanism, combined with feedforward networks, let it build increasingly abstract representations of meaning.
Y
You
What makes attention better than RNNs?
Cortical
RNNs process tokens sequentially, so long-range dependencies get diluted. Attention connects every position directly, making it both faster to train and better at preserving context over long sequences.
Products — free, BYOK
Your keys. Our tools. No fees.
Every Cortical product is free and bring-your-own-key. Connect an API key you already have and start working — we never charge usage fees.
You
Explain quantum computing simply
Cortical
Think of regular bits as coins — heads or tails. Qubits are like spinning coins: both at once until you look.
You
What makes them faster?
Cortical
They explore many solutions simultaneously — like reading every book in a library at once.|
Cortical Chat
Free AI chatbot. Connect any API key — OpenAI, Anthropic, Google — and chat instantly. No account fees, ever.
~/project % cortical-code
✦ Welcome to Cortical Code
Analyzing project structure...
Found 47 files across 12 modules
› refactor the auth module to use JWT|
Cortical Code Beta
Free terminal coding agent. Bring your own key, point it at any repo. It reads, plans, writes, and tests — you review the diff.
dashboard_v2.png
Analysis
UI has 3 accessibility issues:
contrast Nav text fails WCAG AA
alt-text 4 images missing descriptions
layout Cards overlap below 480px|
Cortical Vision Coming Soon
Multimodal AI that sees and understands. Upload images, screenshots, or documents for instant analysis.
Research
Building our own model. Shipping tools in the meantime.
Cortical's products run on third-party models today via BYOK. The research arm is building a proprietary model to run alongside them — designed for reasoning, control, and real deployment.
Applied Integration
Building the workflow and systems layer that lets research turn into software people can actually ship and trust.
engineering / toolingProduct Validation
Using live interfaces like Cortical Chat and Cortical Code to expose quality gaps, sharpen assumptions, and tighten feedback loops.
product / feedbackFree forever. Start now.
Bring an API key you already have. Cortical Chat and Code are free to use — no trial, no paywall, no catch. The proprietary model is coming.