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OpenAI Codex

An AI system by OpenAI that translates natural language to code.

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OpenAI Codex is an AI system by OpenAI that translates natural language to code.

12 alternatives to OpenAI Codex

Ranked by how well each tool replaces OpenAI Codex: shared features, audience, price and popularity.

  1. OpenAI

    OpenAI's API provides access to GPT models for natural language, coding, image generation,

    Covers 7 of 15 key features.

    68 out of 100 match—

  2. OpenCode

    The open source AI coding agent

    Covers 0 of 15 key features, has a free plan and is open source.

    Free planOpen source
    67 out of 100 matchFree

  3. Visual Studio Code

    The open source AI code editor

    Covers 3 of 15 key features, has a free plan and is open source.

    Free planOpen source
    63 out of 100 matchFree

  4. OpenHands

    The open platform for agentic software development

    Covers 5 of 15 key features, has a free plan and is open source.

    Free planOpen source
    63 out of 100 matchFree

  5. AskCodi

    An AI agency that builds and runs your software

    Covers 6 of 15 key features and has a free plan.

    Free plan
    63 out of 100 match$29/mo

  6. Hex-Rays

    State-of-the-art binary code analysis tools for reverse engineering and cybersecurity.

    Covers 6 of 15 key features and has a free plan.

    Free plan
    62 out of 100 match$30.42/mo

  7. Refact.ai

    Your open-source, autonomous AI agent

    Covers 4 of 15 key features, has a free plan and is open source.

    Free planOpen source
    60 out of 100 match$10/mo

  8. Google Antigravity

    An agent-first development platform for orchestrating autonomous AI coding agents.

    Covers 6 of 15 key features and has a free plan.

    Free plan
    59 out of 100 match$30/mo

  9. Claude

    AI assistant built by Anthropic for chat, code, documents and connected work.

    Covers 4 of 15 key features and has a free plan.

    Free plan
    59 out of 100 match$17/mo

  10. aiXcoder

    Intelligent software development powered by code LLMs

    Covers 7 of 15 key features.

    59 out of 100 matchContact sales

  11. CodeMate

    Sovereign AI Pair Programmer & Code Assistant

    Covers 9 of 15 key features and has a free plan.

    Free plan
    58 out of 100 matchFree

  12. Warp

    Open platform for automating software development, plus a terminal and coding agent CLI

    Covers 6 of 15 key features, has a free plan and is open source.

    Free planOpen source
    58 out of 100 match$20/mo