Google Antigravity の代替ツール
Antigravity supports multiple models, including Gemini 3 Pro, Claude Sonnet 4.5, and GPT-OSS, allowing developers to select the most suitable model for their tasks within the same environment.
Google Antigravity offers multi-model switching, but its opaque pricing and potential for introducing switching complexity can make developers hesitant. This page curates 6 more mature or cost-effective alternatives, enabling you to make informed decisions quickly, tailored to your workflow.
クイック比較
| ツール | 料金 | 評価 | おすすめ対象 |
|---|---|---|---|
| Google Antigravity (オリジナル) | 無料 | 4.5 | - |
| Cursor | フリーミアム | 4.0 | Developers needing deep codebase awareness and multi-file refactoring capabilities. |
| Trae | 有料 | 4.0 | Teams seeking AI collaboration from project inception through to deployment. |
| Claude | フリーミアム | 4.5 | Scenarios demanding deep document/code analysis and high-quality natural language output. |
| Qoder | フリーミアム | 3.5 | Development teams requiring large-scale code refactoring and batch modifications. |
| Codex | フリーミアム | 3.0 | Quickly translating requirements into code prototypes. |
| Warp | フリーミアム | 5.0 | Developers whose daily workflow primarily involves terminal operations. |
A smart code editor based on secondary development of VS Code, with "native built-in AI" as its core selling point. It does not rely on plugins but deeply integrates AI into the underlying architecture of the editor, enabling it to understand the context of the entire project's codebase. It also supports seamless migration of all VS Code configurations and plugins.
代替として優れている理由
Cursor, an AI-native IDE, deeply understands your codebase, offers integrated multi-model switching and intelligent editing—a more cohesive experience than Antigravity's model toggling. It also provides a free trial.
おすすめ対象
Developers needing deep codebase awareness and multi-file refactoring capabilities.
こんな場合に最適
You aim to complete all coding, debugging, and refactoring within a single editor, and are willing to invest for premium features.
長所
- Deep codebase-aware AI editing and chat
- One-click migration from VS Code
- Multi-file agent edits and refactors
短所
- Best features require the paid Pro plan
- AI features need an internet connection
- Can feel resource-heavy on older machines
Trae (official website: trae.ai) is an AI-native integrated development environment (IDE) launched by ByteDance. It is not merely a programming assistant but rather a "collaborative partner" that deeply integrates large language models (LLMs) to help developers achieve more intelligent and automated software development—from requirements analysis and code construction to debugging and deployment.
代替として優れている理由
Developed by ByteDance, Trae is an AI-native IDE designed around an agent-first philosophy. It covers the entire development lifecycle, from requirements to deployment, offering a more IDE-centric experience compared to Antigravity's agent approach.
おすすめ対象
Teams seeking AI collaboration from project inception through to deployment.
こんな場合に最適
You require a comprehensive, AI-assisted IDE for your full development pipeline and are open to adopting emerging tool ecosystems.
長所
- AI-native IDE built around an agent
- Help across requirements, build, debug and deploy
- Deep LLM integration
短所
- Newer tool with an evolving ecosystem
- AI features need an internet connection
Claude is an intelligent language interaction platform developed by the American AI company Anthropic. It integrates capabilities such as deep text understanding, information organization, code assistance, and task analysis, enabling it to handle more complex tasks beyond simple chat conversations. These include long-text summarization, image analysis, logical reasoning, and programming assistance, among others. Compared to some single-purpose Q&A bots, Claude functions more like an intelligent tool equipped with reasoning logic and scalable features.
代替として優れている理由
Claude offers superior code analysis and long-context understanding. It integrates with editors via API, addressing Antigravity's limitations in writing style and document analysis, and a free version is available.
おすすめ対象
Scenarios demanding deep document/code analysis and high-quality natural language output.
こんな場合に最適
You highly value the accuracy and readability of generated code and don't mind paying to unlock higher usage limits.
長所
- Excellent long-context understanding
- Careful, natural writing style
- Strong document and code analysis
短所
- Highest limits need a paid plan
- Image generation is not a core feature
- Availability varies by region
Qoder is an AI-driven intelligent programming platform launched by Alibaba, which deeply integrates advanced large language models with software development to provide automated development support for real-world software projects. As an "Agentic" programming platform, Qoder not only completes code but also understands the entire codebase and autonomously executes complex development tasks. Whether generating project documentation or performing batch code modifications, this tool assists developers like an intelligent partner, making the programming process more efficient and seamless.
代替として優れている理由
Qoder provides deep code library understanding, supporting batch code modifications and automated project documentation. Its seamless integration with the Alibaba Cloud ecosystem makes it suitable for large projects and team collaboration.
おすすめ対象
Development teams requiring large-scale code refactoring and batch modifications.
こんな場合に最適
Your projects rely on the Alibaba Cloud ecosystem, or you need to automate extensive code changes and documentation generation.
長所
- Deep understanding of the entire codebase enables complex automated tasks
- Automated generation of project documentation saves developer time
- Batch code modification capabilities for large-scale refactoring
短所
- Requires internet connection; limited offline functionality
- Advanced features may have a learning curve for new users
- Optimization for certain niche frameworks may be less robust
OpenAI Codex is an AI programming model and assistant developed by OpenAI, capable of translating natural language instructions into corresponding source code. It provides developers with intelligent code completion and code generation functionalities. Initially launched in 2021 as the code model for the OpenAI API, it once served as the core engine for GitHub Copilot. With the evolution of OpenAI's technology, Codex returned in 2025 in a new form as an "AI programming agent," capable of understanding complex requirements and automatically writing and debugging code, significantly enhancing development efficiency and software delivery speed.
代替として優れている理由
Codex excels at converting natural language into code, lowering the barrier to programming. It supports multiple languages and significantly accelerates development, making it ideal for rapid prototyping and automated debugging.
おすすめ対象
Quickly translating requirements into code prototypes.
こんな場合に最適
You want to describe functionalities in natural language to generate code, and are comfortable with potential latency dependent on the OpenAI API.
長所
- Translates natural language to code, lowering the entry barrier for programming.
- Supports multiple mainstream programming languages.
- Understands complex requirements and can automate debugging.
短所
- Requires internet access and relies on OpenAI API, causing potential latency.
- May generate insecure or inefficient code without proper validation.
- Free tier is limited, and long-term usage can be costly for heavy users.
Warp is a modern intelligent terminal/development workstation that enhances developer productivity in the command line/terminal with built-in AI, team collaboration, and workflow capabilities.
代替として優れている理由
Warp integrates an AI assistant directly into your terminal, offering team collaboration and shareable workflows. It's well-suited for developers who prefer command-line operations and need AI assistance.
おすすめ対象
Developers whose daily workflow primarily involves terminal operations.
こんな場合に最適
Your workflow is terminal-centric, and you desire AI code suggestions and debugging help without switching environments.
長所
- AI assistance inside the terminal
- Team collaboration and shareable workflows
- Modern, cleaner command-line interface
短所
- A different workflow than classic terminals
- Some features depend on an account
選び方
To choose, consider your primary needs: For deep code awareness and a fully integrated editing experience, Cursor or Trae are excellent choices. If you prioritize natural language interaction and flexible multi-model capabilities, explore Claude and Qoder. Developers focused on terminal workflows will find Warp significantly boosts command-line efficiency, while Codex excels at rapidly transforming natural language requirements into code prototypes. For budget-conscious users, freemium solutions are a smart starting point.
もっと見る
類似ツール
Cursor
VS Codeをベースに二次開発されたインテリジェントコードエディターで、「ネイティブ搭載AI」をコアセールスポイントとしています。プラグインに依存せず、AIをエディターの基層に深く統合し、プロジェクト全体のコンテキストコードベースを理解することができ、VS Codeのすべての設定とプラグインのシームレスな移行をサポートします。
Codex
OpenAI Codexは、OpenAIが開発したAIプログラミングモデル兼アシスタントであり、自然言語の指示を対応するソースコードに翻訳し、開発者にインテリジェントな補完やコード生成などの機能を提供します。このモデルは、2021年にOpenAI APIのコードモデルとして初めてリリースされ、GitHub Copilotの中核的サポートを担っていました。OpenAIの技術進化に伴い、Codexは2025年に「AIプログラミングエージェント」として新たな姿で復帰し、複雑な要件を理解し、コードの自動記述やデバッグを実行することで、開発効率とソフトウェアの提供速度を大幅に向上させています。
Qoder
Qoderは、Alibabaが提供するAI駆動型のスマートプログラミングプラットフォームです。先進的な大規模言語モデルとソフトウェア開発を深く融合させ、実際のソフトウェアプロジェクトに自動化された開発支援を提供することを目指しています。「Agentic」プログラミングプラットフォームとして、Qoderは単なるコード補完にとどまらず、コードベース全体を深く理解し、複雑な開発タスクを自動的に実行することができます。プロジェクトドキュメントの生成からコードの一括修正まで、このツールは開発者の賢いパートナーのように働き、プログラミングプロセスをより効率的かつスムーズにします。
Claude
Claudeは、米国のAI企業Anthropicが開発した知的言語インタラクションプラットフォームです。深いテキスト理解、情報整理、コード支援、タスク分析などの能力を統合し、チャット対話を超えて、長文要約、画像解析、論理的推論、プログラミング支援など、より複雑な問題に対応できます。一部の単純な質問応答ボットと比べて、Claudeは推論ロジックと拡張機能を備えた知的ツールと言えます。
Trae
Trae（公式サイト trae.ai）は、ByteDanceによって開発されたAIネイティブな統合開発環境（IDE）です。単なるプログラミングアシスタントではなく、「協働パートナー」として、大規模言語モデル（LLM）を深く統合し、開発者が要件定義からコード構築、デバッグ、デプロイまで、より知的で自動化されたソフトウェア開発を実現することを支援します。
オープンソース代替
OpenCode
OpenCodeは、あなたの端末のコンテキストを直接理解できるAIプログラミングアシスタントです。最大の強みは「ゼロスロープ」——無料で使用可能なLLMモデルが内蔵されており、ohmyプラグインを通じてShellに深く統合できます。コードを書くだけでなく、疲れを知らないペアプログラミングパートナーのように、入力ミスしたコマンドの修正、エラーログの説明、さらには端末の操作履歴に基づいて直接後続のコードを生成することもできます。
Spec Kit
GitHubがオープンソースで公開したツールキットとプロセスであり、「仕様（specification）」をソフトウェア開発の中核に据えることで、規範化・再利用可能・意図明確なソフトウェア開発手法（「仕様駆動開発」）を推進するものです。
