Best AI Coding Assistants in Japan

Find and compare the best AI Coding Assistants in Japan in 2025

Use the comparison tool below to compare the top AI Coding Assistants in Japan on the market. You can filter results by user reviews, pricing, features, platform, region, support options, integrations, and more.

  • 1
    Code2 Reviews

    Code2

    Code2

    £30 one-time payment
    We create a compressed codebase for AI to understand and code along with you. Transform your codebase to AI-ready insights. Get more accurate and intelligent code suggestions. Unlimited potential. You can build anything you can imagine. Generate code that is fully functional and compatible with your existing project.
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    Raycast Reviews

    Raycast

    Raycast

    $10 per user per month
    Raycast is a fast, extensible launcher that can be used to launch a variety of applications. It allows you to complete tasks, calculate, share links, and much, much more. You can also install extensions created by community developers on top of the Raycast Extensions. Everything you need, all in one place. Browse Extensions for your actions, tools, and more. Productivity is something that everyone can have. Personalization is key. The API allows you to extend Raycast in the way that you want. You can also create tools for your team members with the API. Get started building your ideal tools with the Raycast API and streamline your workflows. Easy Extension creation is all that's required. The Extensions can then be published directly to the Raycast Store. Raycast is built in collaboration with developers to provide the best possible product and developer experience on the platform.
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    You.com Reviews
    You.com, an AI-powered search tool, is designed to offer a more personalized browsing experience. You.com, unlike traditional search engines gives users more control over their search results and allows them to customize their preferences. It uses advanced artificial intelligence for precise answers, summaries and actionable insights. This is often based on trusted sources and real-time information. You.com, which places a high priority on privacy, does not track user behavior. This makes it a popular choice for users who want a secure, ad free, and customizable search experience. Its unique interface supports productivity with app-like integrations that allow for tasks such as coding, writing and exploring creative content.
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    Denigma Reviews

    Denigma

    Denigma

    $5 per month
    Learn unfamiliar programming concepts. Helping developers understand the mysteries of code. Denigma explains code using understandable English. Machine learning powers Denigma. It was stress-tested on spaghetti code. We are confident that it will help you understand complex code. AI will save you time and speed up development by reading your code. Crop code will help Denigma concentrate on the most important parts. Sometimes, less code is better. Replace misleading variable names with "foo", or "bar" Eliminate redundant comments. Your code is not stored, recorded, or used for training purposes. It works in less than two seconds, which saves you time. 95% accuracy for many types of code and 75% for unrecognized codes. Unaffiliated with large tech firms, 100% self-sufficient. Integration with your editor is seamless. JetBrains (IntelliJ), and VS Code add-ons. Chrome extension coming soon.
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    CodeWP Reviews

    CodeWP

    CodeWP

    $12 per month
    All generations can be saved. Export them in JSON format for use with popular code snippet plugins and functions.php. Share with specific users or publically. Goodbye to tedious testing, broken websites and StackOverflow. CodeWP can be a mentor if you are not a developer. If you are a developer, prepare to maximize your efficiency. We have trained CodeWP in WordPress, WooCommerce PHP, JS, and jQuery. Soon, we will be supporting popular plugins such as Learndash, Elementor, and The Events Calendar. It's constantly learning, improving and providing better generations. This is not a plugin. We are a plugin-agnostic service. CodeWP generations can be used with any theme, plugin, or WordPress installation.
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    Marve Chat Reviews

    Marve Chat

    SinCode

    $39 per month
    SinCode AI has developed Marve Chat. It integrates Google Search Data with an advanced Prompt Library integration. Marve Chat is designed for you to produce high-quality writing. Marve Chat is the next generation in AI chat.
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    GPT95 Reviews

    GPT95

    GPT95

    $2 per month
    Your prompts will generate code. ChatGPT can increase the quality of code generated by it. You can identify performance bottlenecks in your code and suggest ways of optimizing it. Automated understanding of complex and convoluted codes will help you learn faster. AI can reduce frustration and increase efficiency. In just a few clicks, you can create detailed documentation. Your code is never shared with anyone.
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    Cmd J Reviews

    Cmd J

    Cmd J

    $9 per month
    ChatGPT keyboard shortcut allows you to improve your writing and get answers to code questions. You can also generate blog posts. Confident in your grammar, spelling, style, and writing style. You can simply rewrite your text by pressing Cmd/Alt+ J. To quickly find code explanations and answers for difficult issues that are not covered on StackOverflow, press Cmd+ J. If you need help, you can create drafts for your blog or social media. Just press Cmd/Alt+ J to get started. You can instantly get the answer you are looking for without having to search through pages of Google results. Do not press any button. We've got you covered. ChatGPT is available for free without interruptions. You can also pay for more usage with no interruptions. Use the Cmd/Alt+ J keyboard shortcut to improve writing, copywriting, and search with AI copilot. ChatGPT can be added to your browser. Start writing with a draft that includes human answers from Google. Fix code bugs 10x faster. Write emails like a native.
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    Refraction Reviews

    Refraction

    Refraction

    $8 per month
    Refraction is a tool that generates code for developers. It uses AI to generate code. It can be used to generate unit tests, documentation, and refactor code. You can generate code using AI in 34 languages: C#, C++ and CoffeeScript. Refraction is used by thousands of developers worldwide to create documentation, create unit test cases, refactor code, among other things. AI can automate tedious tasks such as testing, documentation, and revisions so that you can concentrate on the important parts of software development. Refactor, optimize and fix your code. Use various test frameworks to generate unit tests for your code. To make it easier to understand, explain the purpose of your code.
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    SpellBox Reviews

    SpellBox

    SpellBox

    $40 per month
    SpellBox makes it easy to say goodbye to frustrating programming and hello to quick and easy solutions. SpellBox generates the code you need using simple prompts. This makes it easy to solve even the most difficult programming problems. No more time spent on syntax errors, debugging or searching the internet for answers. SpellBox will give you the code you need, so you can focus on what is important, which is delivering high-quality results. The code explanation feature allows you to save time and gain a thorough understanding of the code that you are working with without spending hours studying documentation or researching it. It is a great tool for anyone who wants to improve their coding skills and maximize their productivity. Code bookmarking allows you to save code snippets and quickly retrieve them later. This feature is particularly useful for developers who are working on multiple projects and need to quickly access their code snippets.
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    Fig Reviews

    Fig

    Fig

    $12 per user per month
    You can easily share shell functions and aliases with your coworkers to save keystrokes. Securely sync API keys and other configurations between developers. Use Fig's autocomplete to create internal scripts and CLI tools for your team. Easy-to-discover shell commands can be created and shared across your engineering team. You can extend autocomplete with customized suggestions that are tailored to your team. All cloud features can be opted-in, and all data is encrypted at rest. Autocomplete uses keystrokes that are stored locally on your device.
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    AI Dev Codes Reviews

    AI Dev Codes

    AI Dev Codes

    $1 per month
    Chat with AI to create simple, but highly customizable and interactive web pages. OpenAI's ChatGPT text generation model uses OpenAI's advanced ChatGPT text generator. If requested, automatically generates the appropriate images with stable diffusion. Optional voice interface with realistic text-to speech. Free hosting at user paths or a custom subdomain at padhub.xyz costs $1/month Mock-ups for discussion. Stable Diffusion prompts and images. Some basic custom code is required for internal or one-off tools. Utility pages or informational pages. Illustrated creative writing exercises. Sites that are finished (with persistence and prompt engineering, and possibly a link to an externe stylesheet). Soon, we will be adding templating to assist with creating more attractive pages. This site allows you to create simple web pages using AI-generated content and functionality. It integrates the ChatGPT APIs and Stability.ai APIs for this purpose.
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    Bloop Reviews

    Bloop

    Bloop

    $12 per user per month
    Natural language search uncovers internal libraries and patterns. This prevents stale code and dependency bloat, and allows you to spend more time solving unsolved issues. This makes it easier to find internal APIs, which increases adoption and reduces duplication. Natural language searches with bloop return accurate results in less time than slow keyword searches or asking colleagues for assistance. Bloop can understand your codebase. Complex concepts are summarized and the purpose behind code are explained when responding to natural language search queries. A codebase change can be used to follow up on a natural language search. This is a great option for small changes and can easily be initiated by any member of the team, regardless their coding ability. You can quickly navigate through refs and defs with precise code navigation in more than 10 languages.
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    Zentask Reviews

    Zentask

    Zentask.ai

    $20 per month
    AI Assistance makes it easy to simplify your daily tasks. Easy-to-use AI tools are designed for professionals from different fields. There are many AI-driven solutions that can be tailored to different roles and industries. Make your work easier and more efficient With the help of AI, overcome writer's block and generate new ideas. Create engaging content. You can meet deadlines quickly and confidently. AI can be used to create eye-catching campaigns, persuasive copy, and optimize content for maximum impact. Create innovative ideas, write compelling scripts and create engaging ads that increase your ROI and attract more customers. AI-generated code snippets, error fixing, and workflow enhancements can speed up your work. Spend more time in innovation and less time on tedious tasks. AI-generated ideas for designing, brainstorming, and storytelling can help you to increase your creativity. AI can transform your creative journey.
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    Warp Reviews
    Warp is a Rust-based terminal that's lightning fast. It was reimagined from scratch to work like an app. Fully native Rust-based terminal. No web-tech or Electron. All cloud features can be turned on or off. All data is encrypted at rest. Warp works right out of the box using zsh and fish. You should feel like you are typing code. Your terminal shouldn't feel like 1978 when you write code. You can edit your commands in a modern editor with selections and cursor positioning. Our GPT-3 powered AI search can convert natural language into executable commands. It's a terminal version of GitHub Copilot. Navigate through your terminal command by command. Copy the output in one click. A simple GUI allows you to access common workflows. You can create your workflows and share them with your colleagues.
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    snappify Reviews

    snappify

    snappify

    $8 per month
    Snappify can help you create amazing visuals of technical concepts that will engage your followers. It will also help you increase your social media presence. snappify makes it easy for educators to create educational content that helps students retain information and grasp complex ideas. snappify allows you to embed visuals so that viewers can copy code snippets and texts. It's a great way to spice up your company documentation or bring your blog to life. Sometimes you need to explain differences in code snippets or highlight best practices by comparing them. Upload custom images and arrange them by drag and drop. Your creativity can reach new heights! You can place an image of the programming language that you are using or a screenshot of what you want from your code snippet.
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    Second Reviews

    Second

    Second

    $300 per bot per month
    Use developer bots to get your web application developed without hiring a frontend programmer. Developer bots write clean code and use modern frameworks, libraries and libraries. Second bots can be used by the engineers you hire to continue developing your codebase. Connect a developer robot to an existing project or create a brand new one and watch product development increase dramatically. Developer bots can write code and submit pull requests for your engineers to review before merging. Delivering more web applications to your clients will increase your revenue. Use developer bots to create 80-90% of your application and then use your engineers to finish the remainder. Deliver a modern codebase that is scalable and performant to your customers. Second bots provide features in source code, so you can modify them as you please.
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    Lightly Reviews

    Lightly

    Lightly

    $9 per month
    Multilingual cloud IDE-Lightly helps you develop your apps quickly and efficiently. AI-generated code, collaborative development tools and AI-generated code will help you create high-quality code quickly. Lightly is an IDE cloud that supports multiple languages including Java, Python C++ HTML JavaScript. You can write, run and debug code anywhere, anytime on iPad. AI-generated code helps you generate code quickly. Collaboration in real time is made easy with collaborative development. Lightly can host and deploy your projects without having to manage infrastructures. We'll provide you with project images that will help you efficiently deploy on AWS Azure GCP or any other cloud provider. Let the AI programming assistant handle the rest!
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    CodeGen Reviews

    CodeGen

    Salesforce

    Free
    CodeGen is a model for program synthesis that is open-source. Trained on TPU v4. OpenAI Codex is competitive with TPU-v4.
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    GitGab Reviews

    GitGab

    GitGab

    $5 per 1M tokens
    GitGab contextualizes ChatGPT to your code. This allows it to implement new features, find bugs and write documentation.
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    BotCity Reviews
    UI automation for desktop and web systems, crawlers and document readers. Develop, deploy and scale in one platform. Meet our coding assistance. Pure code + computer vision. You can interact with UI elements on any platform while using the developer's IDE. Your automation code will be generated automatically. Clicking on the UI allows you to automate UIs and robotic processes on the desktop and web. No need to reverse-engineer to get component ids and XPath. Use your favorite IDE to unleash the power of computer-vision and build automation faster and easier. Automate desktop, web and legacy systems using computer vision. Accelerate development by using plugins that integrate with AWS Google Office and more. Create PDF templates in minutes. Create templates using our anchoring system for easy parsing any type of PDF document.
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    codefy.ai Reviews

    codefy.ai

    codefy.ai

    $9 per month
    New tools are released every week, improving your developer's workflow. Enter your problem in a beautiful pre-programmed format. Our tools are designed to provide the best results, without you having to type long and repetitive prompts. Codefy.ai Custom Tools allows you to create and share your own tool pipelines.
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    Code Llama Reviews
    Code Llama, a large-language model (LLM), can generate code using text prompts. Code Llama, the most advanced publicly available LLM for code tasks, has the potential to improve workflows for developers and reduce the barrier for those learning to code. Code Llama can be used to improve productivity and educate programmers to create more robust, well documented software. Code Llama, a state-of the-art LLM, is capable of generating both code, and natural languages about code, based on both code and natural-language prompts. Code Llama can be used for free in research and commercial purposes. Code Llama is a new model that is built on Llama 2. It is available in 3 models: Code Llama is the foundational model of code; Codel Llama is a Python-specific language. Code Llama-Instruct is a finely tuned natural language instruction interpreter.
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    DigitbiteAI Reviews

    DigitbiteAI

    DigitbiteAI

    $25.25 per month
    Our AI Tools will help you to elevate your business, improve customer interactions, and enhance accessibility. Step into a smarter, innovative future. Use AI technology to create SEO-optimized, compelling content that resonates well with your audience. Our content generation tool is tailored to the current digital landscape and drives engagement and conversion. Our AI can create visually stunning and unique pictures. Create captivating imagery for your brand, from product visuals to ad design. Boost customer engagement using our intelligent chat features. Instantaneous responses are possible, as is automating routine tasks and providing superior service around the clock. You can add a personal touch by using your own voice or choosing from our library of natural-sounding sounds. Text-to-speech brings your content to life, making it more accessible to a wider range of people.
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    CodeAI Reviews

    CodeAI

    Matrix Ltd

    $12 per month
    Our cutting-edge AI will optimize your development process, whether you are writing your first line or architecting enterprise level systems. CodeAI will transform your 'what-ifs' into reality. CodeAI is a powerful tool for those who are pioneers and write the future of code. CodeAI is the powerhouse that boosts your programming skills. CodeAI transforms your thoughts into beautiful code. It's not about speed, it's about writing code that tells an innovative story. CodeAI provides the best coverage for your code. Automated unit test generation ensures the integrity of your code while saving you time to create game-changing applications.