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What is Mentat?

Mentat is an innovative AI-driven tool that assists with a variety of coding tasks directly from your command line interface. Unlike Copilot, which focuses on individual suggestions, Mentat excels in handling edits across multiple files and locations all at once. Additionally, in contrast to ChatGPT, Mentat understands the context of your project, which eliminates the hassle of repetitive copy and pasting. To get started with Mentat, you simply need to run it within your project's directory. It's important to note that Mentat relies on Git, so make sure to initialize your project with Git by using the command git init if it hasn't been done already. You have the option to specify which files Mentat should access and modify by providing them as arguments. Keep in mind the token context limit of GPT-4, since Mentat will consider each specified file in its processing context. This functionality not only enhances efficiency but also streamlines the coding workflow, resulting in a more productive coding experience overall.

What is Headroom?

Headroom is a desktop app that lowers what developers and engineering teams spend on Claude Code and ChatGPT Codex. It cuts their token costs by ~50%, which can stretch the same subscription to up to 2x as much usage, with no change to how anyone works. It sits in the menu bar on macOS, Windows or Linux and compresses the tool output, logs and boilerplate that coding agents send with each request. Everything runs locally, so prompts and source code never leave the machine. Source code itself is never compressed, and the agent can still retrieve any original it needs. In production, across 183 Claude Code users over one week, input tokens fell 34% (measured) and output tokens 33% (estimated). A dashboard and activity feed show tokens and API-equivalent dollars saved. Project learnings turn past sessions into token-saving rules, and one-click add-ons (MarkItDown, Serena, Codebase Memory, Context7, Ponytail, Caveman) extend it further. Plans start at $3/month after a 7-day free trial with no credit card. Team and Enterprise pricing is available on request.

Media

Media

Integrations Supported

GPT-4
Git
Python

Integrations Supported

Claude Code
Grok Build
Model Context Protocol (MCP)
OpenAI Codex
OpenCode
Visual Studio Code

API Availability

API Availability

Pricing Information

Free
Free Version

Pricing Information

$3/month
Pro is $3/month, billed annually ($36/year), or $4/month, billed monthly, for Claude Pro or ChatGPT Plus. Max x5 is $15/month, billed annually, or $20/month, billed monthly; Max x20 is $30/month, billed annually, or $40/month, billed monthly. Each plan includes a 7-day free trial with no credit card required. Team and Enterprise plans have custom pricing. A separate free, self-managed Headroom CLI is also available.
Free Trial Offered?

Supported Platforms

Windows
Mac
Linux

Supported Platforms

Windows
Mac
Linux

Customer Service / Support

Web-Based Support

Customer Service / Support

Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Abante AI

Company Website

www.mentat.ai/

Company Facts

Organization Name

Garm Tech

Date Founded

2026

Company Location

Netherlands

Company Website

extraheadroom.com

Categories and Features

AI Coding Assistants

Not specified

Categories and Features

AI Coding Assistants

Not specified

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