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    3. Plandex

    Plandex

    To build real-world software with AI by providing an open-source, terminal-based coding agent for complex tasks.

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    At a Glance

    1Tool Listed
    2Products
    31Tool Views
    5Capabilities
    Discussions
    San Francisco, CAHeadquarters
    2024Est.
    1Employee
    Focus Areas
    AI Coding Assistants
    Command Line Assistants
    Agent Frameworks
    Connect
    Latest News
    Winding Down Plandex CloudNov 1, 2025
    Founder Dane Gardner joins PromptfooNov 1, 2025
    Markets
    • Software Engineers
    • DevOps Teams
    • AI Developers

    AI Tools by Plandex

    (1)
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    Plandex

    LLM Orchestration CLI Platform

    AI Coding Asst.CLI AssistantsAgent Frameworks

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    Latest News

    11/01/2025

    Winding Down Plandex Cloud

    plandex.ai
    11/01/2025

    Founder Dane Gardner joins Promptfoo

    plandex.ai
    01/01/2024

    Plandex v2: Fully Autonomous AI Coding Agent

    plandex.ai

    Products & Services

    2
    Plandex
    2024

    An open-source, terminal-based AI coding agent designed for large-scale software tasks across multiple files.

    Plandex Cloud
    2024

    A hosted version of Plandex providing managed compute and simplified access to multiple AI models (winding down in late 2025).

    Market Position

    Positioned as a developer-friendly, terminal-first alternative to GUI-based AI coding tools, emphasizing context management and diff-based reviews.

    Leadership

    Founders

    DG

    Dane Gardner

    Software engineer and entrepreneur. Founder of EnvKey (configuration and secrets management). Previously accepted an engineering role at Promptfoo in 2025.

    Executive Team

    DG

    Dane Gardner

    Founder

    Solo founder of Plandex. Previously founded EnvKey. Currently an engineer at Promptfoo.

    Board of Directors

    LS
    Lombard Street Ventures
    Investor/Board Member

    Founding Story

    Started in late 2023 to solve the 'copy-pasting madness' of using ChatGPT for coding. The goal was to create a tool that handles large context and complex, multi-file tasks directly in the terminal.

    Business Model

    Revenue
    Reported 10x growth in Cloud revenue post-v2 launch, tripling overall within two months.

    Revenue Model

    Originally SaaS via Plandex Cloud (credit-based subscriptions); transitioned to focus on the open-source community.

    Pricing Tiers

    Plandex Cloud (Legacy)
    Usage-based

    Credit-based system for accessing LLMs like GPT-4 and Claude 3.

    Open Source
    Free

    Self-hosted version available on GitHub under MIT license.

    Private (Cloud service wound down in 2025)

    Target Markets

    Industries & Segments
    • Software Engineers
    • DevOps Teams
    • AI Developers
    Use Cases
    • Building complex software functionality
    • Large-scale refactoring
    • Automated debugging and execution
    • Complex task planning and execution across multiple files
    Notable Customers
    • Open-source developer community

    Quick Facts

    Headquarters
    San Francisco, CA
    Founded
    2024
    Entity Type
    Inc.
    Employees
    1
    Total Funding
    Undisclosed Pre-Seed
    Investors
    Lombard Street Ventures
    Office Locations
    San Francisco

    Funding History

    Pre-Seed
    2024
    Lombard Street Ventures

    History & Milestones

    November 7, 2025

    Wound down Plandex Cloud services as the founder transitioned to a full-time role at Promptfoo.

    Early 2024

    v1 launch of Plandex; became the top trending repository on GitHub.

    2024

    Secured pre-seed funding from Lombard Street Ventures.

    2024/2025

    v2 launch, introducing full autonomy for the AI coding agent.

    Late 2023

    Initial development of Plandex began following the release of the GPT-4 API.

    Key Capabilities

    5
    Diff review sandbox
    2M token effective context window
    Multi-model support (Anthropic, OpenAI, Google, etc.)
    Full auto mode and granular control
    Tree-sitter project maps for smart context management

    Integrations & Partnerships

    Platform Integrations

    • GitHub
    • Anthropic API
    • OpenAI API
    • Google Gemini API

    Key Partnerships

    Promptfoo (Team integration)

    Connect

    Website
    plandex.ai
    GitHub
    plandex-ai
    X / Twitter
    PlandexAI

    AI Topics

    3

    Plandex focuses on these topics:

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