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12 Best AI Agents for Coding and Software Development in 2025

Best AI Agents for Coding and Software Development in 2025

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AI agents for coding are quickly becoming indispensable. They excel at handling repetitive tasks, offering real-time insights, and automating key parts of the software development process. By taking care of code reviews, bug detection, documentation, and even building complete applications, these agents free up developers to focus on complex problem-solving and innovation. 

The impact of AI agents is clear: faster development cycles, fewer errors, and improved team collaboration. 

With the right AI coding agent, teams can boost productivity and ensure high-quality output without increasing workload. This article dives into some of the best AI agents for coding and software development available today, categorized by their specific roles in software development. 

Categories of AI agents for coding

Code reviews 

1. Bito’s AI Code Review Agent

Bito’s AI Code Review Agent is an advanced tool that revolutionizes the way developers handle code reviews. It spots bugs, issues, code smells, and security vulnerabilities in pull requests (PR) and provides high-quality suggestions to fix them. 

The AI Code Review Agent seamlessly integrates with GitHub, GitLab, and Bitbucket. 

By leveraging the best-in-class Large Language Models (LLMs), the AI Code Review Agent develops a deep understanding of the entire codebase, enabling it to offer context-aware suggestions that go beyond mere syntax checks. 

In addition to identifying potential issues early in the development process, Bito’s AI Code Review Agent allows enforcing custom coding rules and guidelines, detects common anti-patterns, and highlights potential performance bottlenecks and security vulnerabilities. This proactive approach not only minimizes errors but also accelerates the development cycle by reducing the reliance on manual, time-consuming reviews. 

Moreover, the agent’s integration into continuous integration (CI) pipelines ensures that every commit is scrutinized consistently, fostering a culture of continuous improvement and knowledge sharing within development teams. This makes it especially valuable for large-scale projects, where maintaining code quality and consistency is paramount, and where traditional reviews can become both tedious and error-prone. 

Key features: 

  • Context-aware suggestions 
  • AI-generated pull request summary 
  • Integration with GitHub, GitLab, and Bitbucket
  • Automated and manually-triggered AI code reviews
  • Categorization of changes in pull requests
  • Code review analytics
  • Custom code review rules and guidelines
  • and more.

Pricing details: Bito offers a 14-day free trial, followed by a $15/month per developer subscription for the 10X Developer Plan

2. CodeRabbit 

CodeRabbit offers a robust AI-powered code review system, ensuring high-quality code with minimal human effort. It is tailored for teams aiming to accelerate their review process while maintaining top-notch code standards. 

Key features: 

  • AI-driven bug detection 
  • Integration with GitHub and GitLab 

Pricing details: CodeRabbit offers a 14-day free trial, followed by a $15/month per developer subscription.

3. Qodo Merge (formerly Codium PR-Agent) 

Qodo Merge specializes in PR automation, providing intelligent suggestions for code improvements and merging. 

Key features: 

  • Intelligent PR suggestions 
  • Real-time feedback on code quality 

Pricing details: Free tier available with limited features; premium plans start at $15/month. 


Autonomous project builders 

4. Devin 

Devin is an AI agent capable of autonomously building coding projects from scratch. It can generate code, structure projects, and handle deployments with minimal input from developers. 

Key features: 

  • End-to-end project building 
  • Automatic deployment 

Pricing details: Plans start at $500/month.

5. Devika 

Devika is an open-source AI agent designed to autonomously create complete software applications. It uses advanced AI models to write clean, modular code and manage project lifecycles. 

Key features: 

  • Open-source and highly customizable 
  • Modular code generation 

Pricing details: Free and open-source. 

6. OpenHands (formerly OpenDevin) 

OpenHands focuses on collaborative project building, where developers can guide the AI agent to create projects aligned with specific requirements. 

Key features: 

  • Guided project creation 
  • Collaborative coding 

Pricing details: Free and open-source. 


Bug detection and fixing 

7. DeepCode 

DeepCode uses machine learning to detect bugs and vulnerabilities in code. It integrates seamlessly with major IDEs and code repositories, offering real-time suggestions. 

Key features: 

  • AI-driven bug detection 
  • Real-time code analysis 

Pricing details: Free for personal use; team plans start at $10/user/month. 


Documentation generation 

8. DocuWriter.ai 

DocuWriter.ai automates the process of generating detailed and accurate documentation for software projects. 

Key features: 

  • Automated documentation 
  • Support for multiple languages 

Pricing details: Contact DocuWriter.ai for pricing.


Code completion 

9. TabNine 

TabNine offers AI-powered code completion for multiple languages, significantly speeding up the coding process. 

Key features: 

  • Multi-language support 
  • Context-aware suggestions 

Pricing details: Free tier available; Pro plan at $12/month. 


Testing automation 

10. BaseRock

BaseRock focuses on automating software testing, from unit tests to integration tests, ensuring high test coverage. 

Key features: 

  • Automated test case generation 
  • Continuous testing support 

Pricing details: Free tier available; Pro plan at $14.99/month.


Refactoring assistance 

11. Refact.ai

Refact.ai helps developers refactor large codebases by suggesting improvements and best practices. 

Key features: 

  • Automated refactoring 
  • Best practice recommendations 

Pricing details: Free tier available; Pro plan at $10/month.


DevOps automation 

12. LambdaTest

LambdaTest is an AI-powered test execution platform that lets you run manual and automation tests at scale by allowing you to integrate with the best CI/CD tools like Jenkins, CircleCI, GitLab, and more. This platform helps you enhance your DevOps workflows effectively.

Key features: 

  • Accelerates test automation and DevOps workflow 
  • Tracks failure history and recognizes patterns, allowing for customized environment adjustments.

Pricing details: Free tier available; Pro plan at $19/month.


Conclusion 

The future of AI coding agents is bright, with numerous tools already transforming workflows and boosting productivity. From code reviews to autonomous project building, these AI code agents are redefining the way developers work.

As these tools continue to evolve, developers can expect even greater automation, allowing them to focus on innovation and creativity.

Whether you are looking to speed up your code reviews or automate entire projects, there is an AI agent tailored to your needs. 

Picture of Nisha Kumari

Nisha Kumari

Nisha Kumari, a Founding Engineer at Bito, brings a comprehensive background in software engineering, specializing in Java/J2EE, PHP, HTML, CSS, JavaScript, and web development. Her career highlights include significant roles at Accenture, where she led end-to-end project deliveries and application maintenance, and at PubMatic, where she honed her skills in online advertising and optimization. Nisha's expertise spans across SAP HANA development, project management, and technical specification, making her a versatile and skilled contributor to the tech industry.

Picture of Amar Goel

Amar Goel

Amar is the Co-founder and CEO of Bito. With a background in software engineering and economics, Amar is a serial entrepreneur and has founded multiple companies including the publicly traded PubMatic and Komli Media.

Written by developers for developers

This article was handcrafted with by the Bito team.

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