QCoder

Plans and prices

Every plan, in full

On the record

Agent mode

Agent mode reads and writes files, executes commands, and performs multi-step work with reviewable diffs.qcoderai.com · read 15 Oct 2026

Agent modes

Documentation lists six modes: Agent, Ask, Plan, Edit, Apps Builder, and PRD.qcoderai.com · read 15 Oct 2026

AI chat

The editor lets users connect their own provider keys and chat with hosted models or local Ollama models.qcoderai.com · read 15 Oct 2026

Air-gapped deployment

QCoder is advertised for air-gapped operation with local models and self-hosted infrastructure.qcoderai.com · read 15 Oct 2026

API compatibility

QCoder works with OpenAI-compatible endpoints and allows configurable custom HTTP connections.qcoderai.com · read 15 Oct 2026

Build prerequisites

Source builds require Node.js 22, Python 3, platform-specific build tools, and Electron 39.8.8.github.com · read 15 Oct 2026

Changelog

Version 1.0.0 in March 2026 added 10+ providers, inline editing, agent mode, MCP, analytics, self-hosting, SSO/SAML, audit logging, and air-gapped deployment support.qcoderai.com · read 15 Oct 2026

Code handling

The maker says code stays on the user's machine unless explicitly sent to an API the user controls.qcoderai.com · read 9 Oct 2026

Company description

LinkedIn describes Quantum Horizon AI as a Virginia-based software development and AI company working across machine learning, generative AI, IoT, data science, and automation.linkedin.com · read 15 Oct 2026

Company founding

LinkedIn lists Quantum Horizon AI as founded in 2023.linkedin.com · read 15 Oct 2026

Company headquarters

LinkedIn lists headquarters in the District of Columbia, United States.linkedin.com · read 15 Oct 2026

Company size

LinkedIn lists Quantum Horizon AI as self-owned with 2–10 employees.linkedin.com · read 15 Oct 2026

Documentation depth

The documentation includes installation, provider setup, chat and inline editing, agent mode, MCP, security and offline use, keyboard shortcuts, and reference material.qcoderai.com · read 15 Oct 2026

Downloads

Official downloads list Windows 10/11 x64, macOS 12+ Apple Silicon, and Linux packages marked coming soon.qcoderai.com · read 15 Oct 2026

Enterprise controls

The product page lists self-hosting, air-gapped support, SSO/SAML, SCIM provisioning, and audit logging.qcoderai.com · read 15 Oct 2026

Independent limitation

A Linux community post says QCoder is occasionally used but remains behind overseas alternatives, while another commenter says it is too complex and prefers an open-source alternative.linux.do · read 15 Oct 2026

Inline editing

AI suggestions appear as streaming red and green diffs that users can accept, reject, or modify per hunk.qcoderai.com · read 15 Oct 2026

Integrations

QCoder uses MCP to connect to databases, APIs, documentation, and custom tools over stdio or HTTP.qcoderai.com · read 9 Oct 2026

Alternatives to QCoder

GC GitHub CopilotAndroidiPhone & iPad+5 KC Kilo CodeAndroidiPhone & iPad+6 Q QoderAndroidiPhone & iPad+7 O OpenCodeiPhone & iPadWeb+6 AQ Amazon QAndroidiPhone & iPad+6 CC Claude CodeAndroidiPhone & iPad+7 R ReplitAndroidiPhone & iPad+4 B BitoWebWindows+4

Every alternative, ranked