Cakie vs Praex: Features, Pricing & Which Is Better (2026)

A side-by-side comparison of Cakie and Praex — features, pricing, and ideal use cases — to help you decide which AI tool fits your workflow.

Cakie

Taper Labs, Inc.

Free

Mac app that records your screen and voice, then turns it into a transcript and screenshot highlights you can paste to any AI agent.

Screen and Voice Recording: Record your screen while explaining what you mean, as if a teammate were sitting next to you.
Pointing and Drawing: Highlight details on screen with gestures and drawings so your AI sees exactly what you refer to.
Automatic Transcript: Adds a transcript of your narration that you can review before sharing.
AI Screenshot Highlights: Let AI find the screenshots that match what you are saying and attach them as highlights.
Copy Prompt Handoff: Generates a prompt referencing the transcript, highlights and saved video to paste into any AI agent.
Local Processing: Recording and transcription run on your Mac; optional online AI features send only needed text and images.

UI Feedback: Record a walkthrough of a landing page and get an AI agent to apply spacing and button changes.
Bug Reports: Show a bug on screen with narration so a coding agent can reproduce and fix it.
Design Review: Talk through design tweaks and hand a structured summary to an AI assistant.
Onboarding Walkthroughs: Capture a step-by-step process and let an AI turn it into documentation.
Vibe Coding Instructions: Replace long typed prompts with a short recording for coding agents.

Freemium

Open-source AI coding copartner with its own Velox, Faber and Lucia models, available in terminal, mobile and web.

Own Model Family: Velox II, Faber II and Lucia II are tuned and served by Praex on its own infrastructure, sized from quick edits to frontier-scale problems.
Terminal CLI: Install with a one-line script and let the agent read files, run commands, edit code and verify tests directly in your terminal.
Cross-Device Sessions: Start a task in the terminal, steer it from your phone and review it on the web with the same agent, memory and session.
Bring Your Own Keys: Run Praex on any model with your own API keys or hardware at no extra cost.
Open-Source Core: The CLI is an MIT-licensed fork of opencode, so the agent harness can be inspected and modified.
No Sign-Up Chat: Start chatting on the web with the free Velox II model without creating an account.

Fixing Failing Builds: Hand the agent a broken deploy and let it read configs, run tests and patch source until tests pass.
Everyday Quick Edits: Use the free Velox II model for instant answers and small code changes in the terminal.
Deep Reasoning Tasks: Escalate to Faber II on Pro for complex coding and multi-step reasoning.
Mobile Task Steering: Kick off a refactor at your desk and monitor or redirect it from your phone.
Self-Hosted Workflows: Point the CLI at your own models or keys to keep code on infrastructure you control.