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With AI, Everyone is a Dev. EveryDev.ai © 2026
    1. Home
    2. Developers
    3. Reasonix Contributors

    Reasonix Contributors

    A DeepSeek-native AI coding agent for the terminal and desktop, optimized for prefix-cache stability to minimize token costs in long software development sessions.

    Visit Website

    At a Glance

    1Tool Listed
    3Products
    6Capabilities
    Discussions
    2024Est.
    Focus Areas
    AI Coding Assistants
    Command Line Assistants
    Agent Frameworks
    Connect
    Latest News
    Reasonix v1.19.5 released with stability improvements.Jul 28, 2026
    Reasonix listed in DeepSeek's official awesome-deepseek-agent guide.May 7, 2026
    Markets
    • Software developers
    • AI enthusiasts
    • Cost-conscious engineering teams

    AI Tools by Reasonix Contributors

    (1)
    View Reasonix
    Reasonix tool icon

    Reasonix

    AI Coding Agent for DeepSeek

    AI Coding Asst.CLI AssistantsAgent Frameworks

    Discussions

    No discussions yet

    Be the first to start a discussion about Reasonix Contributors

    Latest News

    07/28/2026

    Reasonix v1.19.5 released with stability improvements.

    github.com
    05/07/2026

    Reasonix listed in DeepSeek's official awesome-deepseek-agent guide.

    github.com
    04/15/2026

    Reasonix surpasses 25,000 GitHub stars.

    github.com
    03/10/2026

    Reasonix Desktop App enters prerelease.

    reasonix.io

    Products & Services

    3
    Reasonix CLI/TUI
    2024

    A terminal-native AI coding agent engineered for high cache-hit rates in long development sessions.

    Reasonix Desktop App
    2026

    A visual workspace for managing AI coding sessions, settings, and task approvals.

    Reasonix VS Code Extension
    2026

    Editor integration providing Reasonix's agentic capabilities within the VS Code environment via the ACP protocol.

    Market Position

    Reasonix distinguishes itself from other agents like Claude Dev or Cursor by its deep optimization for DeepSeek's prefix caching, making it significantly more cost-effective for long-running terminal sessions.

    Leadership

    Founders

    E(

    esengine (YHH)

    Lead maintainer of the DeepSeek-Reasonix project; developer with experience in ECS frameworks and AI tooling.

    S

    SivanCola

    Core maintainer of DeepSeek-Reasonix; focused on AI coding, developer tooling, and automation.

    Executive Team

    E(

    esengine (YHH)

    Lead Maintainer

    Primary developer of the Reasonix engine and community leader.

    S

    SivanCola

    Core Maintainer

    Key developer responsible for various integrations and the VS Code extension.

    Founding Story

    Reasonix was created to address the problem of high token costs in long AI coding sessions. By ensuring the prefix stays byte-identical, it leverages DeepSeek's prefix cache to achieve 90%+ hit rates, reducing costs to approximately 1/5 of standard usage.

    Business Model

    Revenue Model

    Open Source / Community-driven development; no direct revenue model beyond open-source contributions.

    Pricing Tiers

    Community
    Free

    Open-source project; users provide their own DeepSeek API keys.

    Target Markets

    Industries & Segments
    • Software developers
    • AI enthusiasts
    • Cost-conscious engineering teams
    Use Cases
    • Software development
    • Code refactoring
    • Automated testing
    • Agentic software engineering
    Notable Customers
    • Open-source developer community

    Quick Facts

    Founded
    2024

    History & Milestones

    2026-03

    Launch of the Reasonix Desktop App prerelease version.

    2026-05

    Reached 25,000 stars on GitHub and recognized in DeepSeek's awesome-agent guide.

    2026-07

    Reached 30,000 stars on GitHub and 98+ community contributors.

    2025

    Integration of DeepSeek V4 and specialized prefix-cache optimization for long sessions.

    2024

    Founding and initial release of the Reasonix project as an open-source tool.

    Key Capabilities

    6
    Cache-first loop (90%+ hit rates)
    DeepSeek-native optimization
    Single Go binary (CGO-free)
    Native MCP (Model Context Protocol) support
    Subagents and skills registry
    Plan mode and sandbox

    Integrations & Partnerships

    Platform Integrations

    • Terminal (CLI/TUI)
    • VS Code
    • Desktop (Wails/Go)
    • Browser (Local UI)

    Key Partnerships

    DeepSeek (ecosystem project)
    Model Context Protocol (MCP)

    Connect

    Website
    reasonix.io
    GitHub
    esengine
    Discord
    XF78rEME2D

    AI Topics

    3

    Reasonix Contributors focuses on these topics:

    AI Coding Assistants(1)
    Command Line Assistants(1)
    Agent Frameworks(1)
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