Best On-Premises AI Coding Assistants
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Compare the Top On-Premises AI Coding Assistants as of August 2025
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What are On-Premises AI Coding Assistants?
AI coding assistants are software tools that use artificial intelligence to help developers write, debug, and optimize code more efficiently. These assistants typically offer features like code auto-completion, error detection, suggestion of best practices, and code refactoring. AI coding assistants often integrate with integrated development environments (IDEs) and code editors to provide real-time feedback and recommendations based on the context of the code being written. By leveraging machine learning and natural language processing, these tools can help developers increase productivity, reduce errors, and learn new programming techniques. Compare and read user reviews of the best On-Premises AI Coding Assistants currently available using the table below. This list is updated regularly.
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1
Windsurf Editor
Windsurf
The Windsurf Editor is a free AI-powered IDE and AI coding assistant that accelerates development by providing intelligent code generation and agents in over 70 programming languages and more than 40 IDEs, including VSCode, JetBrains, and Jupyter Notebooks. With Windsurf, developers can write code faster, eliminate repetitive tasks, and stay in the flow state—whether they're working with Python, JavaScript, C++, or any other language. Built on billions of lines of open-source code, Windsurf Editor understands and anticipates your coding needs, offering multiline suggestions, automated unit tests, and even natural language explanations for complex functions. It’s perfect for streamlining code writing, reducing boilerplate, and cutting down the time spent on documentation searches. Trusted by individual developers and Fortune 500 companies alike, Windsurf Editor is your go-to solution for boosting productivity and writing better code. Try Windsurf for free today!Starting Price: Free -
2
Amp
Sourcegraph
Amp by Sourcegraph is an advanced agentic coding tool designed to enhance software development speed, quality, and team collaboration. It leverages frontier AI models to perform autonomous reasoning, comprehensive code editing, and complex task execution. Developers can use Amp directly from their terminal via CLI or as a VS Code extension, eliminating the need to learn a new UI. The platform promotes sharing of workflows, context, and code changes to improve team efficiency and reuse successful patterns. Amp scales seamlessly from individual developers to large enterprises, offering enterprise-grade security, privacy, and compliance features. Users praise Amp for its smart, fast, and high-quality coding assistance that consistently outperforms competitors. -
3
Tabnine
Tabnine
Tabnine is the AI coding assistant that you control — helping development teams of every size use AI to accelerate and simplify the software development process without sacrificing privacy, security, or compliance. Tabnine boosts engineering velocity, code quality, and developer happiness by automating the coding workflow through AI tools customized to your team. Tabnine is trusted by more than 1,000,000 developers across thousands of organizations. Tabnine offers best-in-class AI code completion and an AI-powered chat and supports numerous use cases such as code generation, explanation of code, creating unit tests, generating documentation, debugging code, refactoring and maintaining code. Tabnine is integrated with all the major IDEs such as VS Code, JetBrains, Visual Studio, Eclipse. It supports over 80 programming languages and frameworks including JavaScript, Python, Java, PHP, Go, and more.Starting Price: $12 per user per month -
4
Bolt.new
StackBlitz
Bolt.new is an AI-powered web development agent that allows you to prompt, run, edit, and deploy full-stack applications directly from your browser—no local setup required. Bolt.new enables you to install packages, run backends, and edit code as well. Whether you’re an experienced developer, a PM or designer, Bolt.new allows you to build production-grade full-stack applications with ease. Bolt.new is free to get started. If you need more AI tokens or want private projects, you can purchase a paid subscription in your Bolt.new settings, in the lower-left hand corner of the application.Starting Price: Free -
5
K.Explorer
Morphis Tech
A state-of-the-art AI that builds better software, cheaper and faster. K.Explorer is an AI powered Code Assistant trained on many millions of private corporate lines of code, for specific domains, and on billions of public and open-source lines of code for general purposes. Its code auto-completion features suggest code completions and entire function bodies as you type or as you search the engine for help. To make development faster and more agile it even supports Natural Language for programmers to get guidance while telling a text story about the code they want to write.Starting Price: Free -
6
CodeGeeX
AMiner
We introduce CodeGeeX, a large-scale multilingual code generation model with 13 billion parameters, pre-trained on a large code corpus of more than 20 programming languages. Based on CodeGeeX, we develop a VS Code extension (search 'CodeGeeX' in the Extension Marketplace) that assists the programming of different programming languages. Besides the multilingual code generation/translation abilities, we turn CodeGeeX into a custom programming assistant using its few-shot ability. It means that when a few examples are provided as extra prompts in the input, CodeGeeX will imitate what are done by these examples and generate codes accordingly. Some cool features can be implemented using this ability, like code explanation, summarization, generation with specific coding style, and more. For example, one can add code snippets with his/her own coding style, and CodeGeeX will generate codes in a similar way. You can also try prompts with specific formats to inspire CodeGeeX for new skills.Starting Price: Free -
7
DeepSeek Coder
DeepSeek
DeepSeek Coder is a cutting-edge software tool designed to revolutionize the landscape of data analysis and coding. By leveraging advanced machine learning algorithms and natural language processing capabilities, it empowers users to seamlessly integrate data querying, analysis, and visualization into their workflow. The intuitive interface of DeepSeek Coder enables both novice and experienced programmers to efficiently write, test, and optimize code. Its robust set of features includes real-time syntax checking, intelligent code completion, and comprehensive debugging tools, all designed to streamline the coding process. Additionally, DeepSeek Coder's ability to understand and interpret complex data sets ensures that users can derive meaningful insights and create sophisticated data-driven applications with ease.Starting Price: Free -
8
Goose
Block
Goose (also known as codename goose) is an open-source, on-machine AI agent designed to automate engineering tasks directly within your terminal or integrated development environment (IDE). Operating locally, it efficiently executes tasks such as code generation, debugging, and deployment, allowing developers to focus on higher-level problem-solving. Goose's extensible architecture enables customization with preferred large language models (LLMs) and integration with external APIs, enhancing its capabilities to suit diverse project requirements. By autonomously handling complex tasks, Goose streamlines the development process, increasing productivity and reducing manual effort. Developers have praised Goose for its ability to manage tasks like updating dependencies, running tests, and automating code migrations, highlighting its effectiveness in real-world applications.Starting Price: Free -
9
Treblle
Treblle
Treblle is a federated API Intelligence platform built for enterprises that need full visibility, control, and security over their APIs. With a single integration, Treblle provides real-time API Discovery, Observability, Analytics, Governance, Runtime Security, and Developer Portals. It supports on-prem and private cloud deployments to meet strict compliance and data privacy requirements. Treblle helps teams shift left by surfacing API issues early in development and ensuring consistency across environments. Its AI-powered Integration Assistant simplifies onboarding and reduces manual effort. Trusted by global enterprises and recognized over 15 times by Gartner, Treblle accelerates innovation while giving you complete control over your API landscape.Starting Price: $25 per month -
10
SuperAGI SuperCoder
SuperAGI
SuperAGI SuperCoder is an open-source autonomous system that combines AI-native dev platform & AI agents to enable fully autonomous software development starting with python language & frameworks SuperCoder 2.0 leverages LLMs & Large Action Model (LAM) fine-tuned for python code generation leading to one shot or few shot python functional coding with significantly higher accuracy across SWE-bench & Codebench As an autonomous system, SuperCoder 2.0 combines software guardrails specific to development framework starting with Flask & Django with SuperAGI’s Generally Intelligent Developer Agents to deliver complex real world software systems SuperCoder 2.0 deeply integrates with existing developer stack such as Jira, Github or Gitlab, Jenkins, CSPs and QA solutions such as BrowserStack /Selenium Clouds to ensure a seamless software development experienceStarting Price: Free -
11
CodeSandbox
CodeSandbox
CodeSandbox is a cloud development platform that empowers development teams to code, collaborate, and ship projects of any size from any device in record time. Run your code in powerful microVMs and build anything without limits. We configure your environment for you and keep your code always ready, behind a URL. Boxy, the CodeSandbox AI coding assistant, is also now available to all Pro subscribers.Starting Price: $12 per month -
12
JetBrains Datalore
JetBrains
Datalore is a collaborative data science and analytics platform aimed at boosting the whole analytics workflow and making work with data enjoyable for both data scientists and data savvy business teams across the enterprise. Keeping a major focus on data teams workflow, Datalore offers technical-savvy business users the ability to work together with data teams, using no-code or low-code together with the power of Jupyter notebooks. Datalore enables analytical self-service for business users, enabling them to work with data using SQL and no-code cells, build reports and deep dive into data. It offloads the core data team with simple tasks. Datalore enables analysts and data scientists to share results with ML Engineers. You can run your code on powerful CPUs or GPUs and collaborate with your colleagues in real-time.Starting Price: $19.90 per month -
13
Refact.ai
Refact AI
Refact.ai is a cutting-edge, open-source AI coding assistant designed to enhance developer productivity through intelligent code completion, real-time code reviews, and personalized support. By integrating with popular IDEs like VS Code, JetBrains, and PyCharm, Refact.ai provides a seamless development experience, offering personalized auto-completion, code refactoring, and AI-driven suggestions based on your unique codebase. With the ability to fine-tune models using company-specific data, Refact.ai optimizes its performance for better accuracy and faster code generation. Whether you're building new features or improving existing code, Refact.ai ensures your development process is more efficient, secure, and aligned with best practices.Starting Price: $0 -
14
Cody
Sourcegraph
Cody, Sourcegraph’s AI code assistant goes beyond individual dev productivity, helping enterprises achieve consistency and quality at scale with AI. Unlike traditional coding assistants, Cody understands the entire codebase, enabling deeper contextual awareness for smarter autocompletions, refactoring, and AI-driven code suggestions. It integrates with IDEs like VS Code, Visual Studio, Eclipse, and JetBrains, providing inline editing and chat without disrupting workflows. Cody also connects with tools like Notion, Linear, and Prometheus to enhance development context. Powered by advanced LLMs like Claude Sonnet 4 and GPT-4o, it optimizes speed and performance based on enterprise needs, and is always adding the latest AI models. Developers report significant efficiency gains, with some saving up to six hours per week and doubling their coding speed.Starting Price: $59 -
15
Tabby
Tabby ML
Tabby is an open-source, self-hosted AI coding assistant designed to enhance your development workflow with intelligent code completion, real-time suggestions, and seamless integration into your preferred IDE. Its flexible deployment options allow you to run Tabby on your own infrastructure, ensuring security and control over your codebase. With support for major coding large language models (LLMs) like CodeLlama, StarCoder, and CodeGen, Tabby adapts to your coding style, providing accurate and context-aware assistance. Whether you're working individually or as part of a team, Tabby streamlines coding tasks, reduces errors, and accelerates project timelines.Starting Price: Free -
16
Fine
Fine.dev
Fine is an AI-powered development platform designed to assist startups by automating tasks throughout the software development lifecycle. It offers a range of AI agent workflows for coding, debugging, testing, and code review, allowing teams to ship daily improvements and resolve pull requests faster. Fine can autonomously create and implement code, conduct pull request reviews, generate tests, and handle common issues without constant human input. The platform integrates seamlessly with GitHub and supports asynchronous work, making it particularly suitable for fast-paced startups. With real-time feedback and live previews, Fine improves productivity and streamlines the development process.Starting Price: $15 per month -
17
Codestral
Mistral AI
We introduce Codestral, our first-ever code model. Codestral is an open-weight generative AI model explicitly designed for code generation tasks. It helps developers write and interact with code through a shared instruction and completion API endpoint. As it masters code and English, it can be used to design advanced AI applications for software developers. Codestral is trained on a diverse dataset of 80+ programming languages, including the most popular ones, such as Python, Java, C, C++, JavaScript, and Bash. It also performs well on more specific ones like Swift and Fortran. This broad language base ensures Codestral can assist developers in various coding environments and projects.Starting Price: Free -
18
Tembo
Tembo
Tembo is an AI-powered engineering assistant designed to automate routine coding tasks, helping developers focus on innovation. It monitors systems 24/7 to identify and fix production errors automatically, transforming error logs into pull requests while you sleep. Tembo optimizes database performance by diagnosing slow queries and missing indexes, improving efficiency. It integrates seamlessly with tools like GitHub, Jira, Linear, and Datadog to convert tickets and error reports into actionable code changes. The platform also explores codebases to uncover technical debt and security issues for refactoring opportunities. Trusted by teams worldwide, Tembo accelerates development velocity by automating tedious engineering work.Starting Price: $50 -
19
FauxPilot
FauxPilot
FauxPilot is an open source, self-hosted alternative to GitHub Copilot. It utilizes the SalesForce CodeGen models on NVIDIA's Triton Inference Server with the FasterTransformer backend for local code generation. It requires Docker, an NVIDIA GPU with sufficient VRAM, and the ability to split the model across multiple GPUs if needed. The setup involves downloading models from Hugging Face and converting them for FasterTransformer compatibility.Starting Price: Free -
20
Codeflash
Codeflash
Codeflash is an AI-powered tool that automatically identifies and applies performance optimizations to Python code, discovering improvements across entire projects or within GitHub pull requests, enabling faster execution without sacrificing feature development. With simple installation and initialization, it has delivered dramatic speedups. Trusted by engineering teams at organizations, Codeflash has helped achieve outcomes such as 25% faster object detection (boosting Roboflow's throughput from 80 to 100 FPS), tens of merged pull requests delivering speedups in Albumentations, and ensured confidence in merging optimized code in Pydantic’s 300M+ download codebase. Codeflash can be integrated as a GitHub Action to catch slow code before shipping, and it maintains strong privacy and security with encrypted data handling.Starting Price: $30 per month -
21
Codacy
Codacy
Codacy is an automated code review tool that helps identify issues through static code analysis, allowing engineering teams to save time in code reviews and tackle technical debt. Codacy integrates seamlessly into existing workflows on your Git provider, and also with Slack, JIRA, or using Webhooks. Users receive notifications on security issues, code coverage, code duplication, and code complexity in every commit and pull request along with advanced code metrics on the health of a project and team performance. The Codacy CLI enables running Codacy code analysis locally, so teams can see Codacy results without having to check their Git provider or the Codacy app. Codacy supports more than 30 coding languages and is available in free open-source, and enterprise versions (cloud and self-hosted). For more see https://www.codacy.com/Starting Price: $15.00/month/user -
22
CodeGen
Salesforce
CodeGen is an open-source model for program synthesis. Trained on TPU-v4. Competitive with OpenAI Codex.Starting Price: Free -
23
StarCoder
BigCode
StarCoder and StarCoderBase are Large Language Models for Code (Code LLMs) trained on permissively licensed data from GitHub, including from 80+ programming languages, Git commits, GitHub issues, and Jupyter notebooks. Similar to LLaMA, we trained a ~15B parameter model for 1 trillion tokens. We fine-tuned StarCoderBase model for 35B Python tokens, resulting in a new model that we call StarCoder. We found that StarCoderBase outperforms existing open Code LLMs on popular programming benchmarks and matches or surpasses closed models such as code-cushman-001 from OpenAI (the original Codex model that powered early versions of GitHub Copilot). With a context length of over 8,000 tokens, the StarCoder models can process more input than any other open LLM, enabling a wide range of interesting applications. For example, by prompting the StarCoder models with a series of dialogues, we enabled them to act as a technical assistant.Starting Price: Free -
24
Code Llama
Meta
Code Llama is a large language model (LLM) that can use text prompts to generate code. Code Llama is state-of-the-art for publicly available LLMs on code tasks, and has the potential to make workflows faster and more efficient for current developers and lower the barrier to entry for people who are learning to code. Code Llama has the potential to be used as a productivity and educational tool to help programmers write more robust, well-documented software. Code Llama is a state-of-the-art LLM capable of generating code, and natural language about code, from both code and natural language prompts. Code Llama is free for research and commercial use. Code Llama is built on top of Llama 2 and is available in three models: Code Llama, the foundational code model; Codel Llama - Python specialized for Python; and Code Llama - Instruct, which is fine-tuned for understanding natural language instructions.Starting Price: Free -
25
GitStart
GitStart
Assign tickets, and get high-quality production code powered by AI agents and our global developer community. Increase your capacity without increasing the engineering headcount. If you have more items on your plate than the capacity to ship them, assign them to GitStart. We believe coding can change lives and we are on a mission to grow the world's future software talent. Select which parts of your repo GitStart can access with our secure git-sharing tool. Share only what you want at all times, and keep your configuration file under your lock and key. Assign sprint-sized tickets and our LLM assistant will help you translate requirements into a fully-formed ticket. No one likes long review cycles, so GitStart pushes PRs that have been through internal code and QA checks. You review the work in your repo, request any necessary changes, and merge. You can approve or reject each PR cost estimate once we've understood the scope and before we start any work.Starting Price: $11 per credit -
26
Mimrr
Mimrr
Automate your code documentation & get fixes to code bugs, performance & security issues. Simply connect your repo to Mimrr and leave the magic of generating contextual documentation to us. Proactively analyzes every change to effortlessly find and suggest fixes to your code quality issues. Experience efficiency with our shared resources. We manage the hosting, you reap the benefits. Integrate our model directly into your infrastructure. Host your docs publicly so that end users can use your APIs or host privately for your own team. Seamlessly organize and view multiple projects within the same dashboard. Our semantic code chat helps you get better results from your codebase, making it easier to onboard, and understand complex code. Spot on code interaction with natural language prompts. New hires can be added easily from within the Mimrr web app, from user management under your organization's dashboard.Starting Price: $15 per month -
27
gpt-engineer
gpt-engineer
gpt-engineer is an open-source platform designed to automate software development by enabling users to specify software requirements in natural language. The tool utilizes AI to generate and execute code based on user specifications, making the development process faster and more intuitive. gpt-engineer can also implement requested improvements and handle iterative development, allowing users to focus on high-level tasks rather than manual coding. Built with a terminal-based interface, it is ideal for developers seeking a customizable, hackable solution for experimenting with AI-assisted programming.Starting Price: Free -
28
Secure AI
Secure AI
The trusted on-site, data-secure generative AI solution for enterprises. Tailor it for use with your sensitive and proprietary data without ever connecting to the internet. Secure AI offers a highly secure alternative to ChatGPT by operating on local servers without internet connectivity - ensuring complete privacy of user data. This empowers our customers to leverage Large Language Models (LLMs) confidently, even when working with sensitive and proprietary information. Secure AI boosts work efficiency by automating tasks such as document writing, contract proposals, and software development. Unlike other AI software that requires sending sensitive data over the internet, Secure AI runs on your local machines, keeping data private and usable even where ChatGPT is banned. With Secure AI, your business development team can generate the first draft of a technical proposal with zero hours of engineering support. -
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Continue
Continue
The leading open-source AI code assistant. You can connect any models and any context to create custom autocomplete and chat experiences inside the IDE Remain in flow while coding by removing the barriers that block productivity when building software. Accelerate development with a plug-and-play system that makes it easy to get started and integrates with your entire stack. Become a leader in AI by setting up your code assistant to evolve as new capabilities emerge. Continue autocompletes single lines or entire sections of code in any programming language as you type. Attach code or other context to ask questions about functions, files, the entire codebase, and more. Highlight code sections and press a keyboard shortcut to rewrite code from natural language.Starting Price: $0/developer/month -
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Mistral Code
Mistral AI
Mistral Code is an AI-powered coding assistant designed to enhance software engineering productivity in enterprise environments by integrating powerful coding models, in-IDE assistance, local deployment options, and comprehensive enterprise tooling. Built on the open-source Continue project, Mistral Code offers secure, customizable AI coding capabilities while maintaining full control and visibility inside the customer’s IT environment. It supports over 80 programming languages and advanced functionalities such as multi-step refactoring, code search, and chat assistance, enabling developers to complete entire tickets, not just code completions. The platform addresses common enterprise challenges like proprietary repo connectivity, model customization, broad task coverage, and unified service-level agreements (SLAs). Major enterprises such as Abanca, SNCF, and Capgemini have adopted Mistral Code, using hybrid cloud and on-premises deployments.