Products

Two tools. Zero fees.
Your keys.

Cortical ships free, bring-your-own-key AI tools. No subscriptions, no usage fees — you only pay your provider.

01 — Cortical Chat

Intelligent conversation, any model

A polished chat interface that works with OpenAI, Anthropic, Google, and more. Switch models mid-conversation, organize with folders, and get real-time streaming responses.

Multi-model support
Streaming responses
Conversation history
Profile & memory

Try Cortical Chat

Cortical Chat

GPT-4o

02 — Cortical Code

Your terminal, upgraded into a coding cockpit

An AI coding agent that lives in your terminal. Describe what you want, it reads your codebase, plans the changes, shows a diff, and applies the patch. You stay in control.

Multi-file edits
Unified diffs
Workspace scanning
Mode-aware workflow

Learn more Install

terminal

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How they compare

Chat

Code

Interface

Web app

Terminal CLI

Purpose

Conversation

Code generation

Pricing

Free (BYOK)

Multi-model

✓

File editing

—

✓

Conversation memory

✓

Bring your own key

Both tools use your existing API keys from OpenAI, Anthropic, Google, or any supported provider. No subscription, no usage fees from us — you only pay your provider directly.

OpenAI Anthropic Google + more

Get started

Pick a tool, bring a key, start building.