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Best AI Search Engine for Developers: Free & Affordable AI tools Optimize Your Coding Journey

by Freework.AI     Updated Nov 15, 2023

In the rapidly evolving world of software development, AI search engines have become indispensable tools for developers. From seasoned professionals to budding coders, everyone is in search of efficient, affordable, and intelligent solutions to enhance their coding journey. This blog explores the best AI search engines specifically tailored for developers. We delve into a range of tools, from Phind's intelligent code search functionality to EasyCode's context-aware code suggestions. Whether you're looking for a tool to help with code generation, streamline your workflow, or provide personalized coding assistance, our comprehensive guide covers a variety of free and affordable AI tools that are set to revolutionize your coding experience.

1. Phind

Phind is an innovative AI tool designed for programmers, offering advanced AI-powered tools and features to assist in finding relevant information, code snippets, and solutions to coding challenges. It features an intelligent code search functionality, allowing programmers to search using specific keywords, functions, or error messages. Phind also adapts to individual programmers’ preferences and coding styles, providing personalized recommendations and suggestions. It offers collaboration features for knowledge sharing among programmers.

Phind homepage image


  • Freemium

  • PHIND PLUS $15/mo

  • PHIND PRO $30/mo


  • Intelligent code search functionality

  • Personalized recommendations and suggestions

  • Adaptation to individual coding styles and preferences

  • Collaboration features for community interaction and knowledge sharing

  • Analysis of user’s search patterns and code usage


  • Efficient searching with keywords and phrases

  • AI-driven suggestions for relevant and useful results

  • Customizable search options

  • Time-saving capabilities

  • Helpful for learning coding and fixing bugs

  • VSCode extension available

  • Positive reviews for finding specific articles and code snippets


  • Limited context window in search results

  • May have minor areas where it is outperformed by other AI like ChatGPT

2. AskCodi

AskCodi is an AI code assistant powered by OpenAI Codex, designed to cater to developers by reducing redundant tasks and facilitating faster, easier code writing. It offers features like code generation, unit test creation, documentation assistance, and code conversion. Compatible with popular development environments, it interprets user comments or code to generate synthesized suggestions ranging from individual lines to complete functions. It aims to revolutionize the developer experience by improving efficiency and lowering barriers to entry in software development.

AskCodi homepage image


  • Basic Plan (Free)

  • Premium Plan ($9.99 per user, per month or $99.99 per user, per year)

  • Ultimate Plan ($29.99 per user, per month or $299.99 per user, per year)


  • Code generation

  • Unit test creation

  • Documentation assistance

  • Code conversion

  • Integration with popular development environments

  • Synthesized suggestions based on user input

  • Access to GPT-3.5-Turbo and GPT-4 models

  • Autocomplete feature for Visual Studio Code

  • Codi Chat and Codi Workbooks for collaboration

  • Integrations with other tools and platforms


  • Cost-effective coding assistance

  • Helpful in developing frameworks

  • Saves time in researching and programming

  • Supports code generation in multiple languages

  • Facilitates learning coding faster

  • Effective for development and debugging


  • Specific cons not widely reported in available reviews

3. Cosine (Previous name: Buildt)

Cosine is an AI tool designed to help developers understand and navigate their codebase more effectively. It combines multiple heuristics, including static analysis and semantic search, to provide fully contextual answers to questions about code. Cosine goes beyond simple auto-complete suggestions, offering a deep semantic understanding of the code, and helps in improving code consistency and increasing productivity.

Cosine (Previous name: Buildt) homepage image


  • Free


  • Supports 50+ coding languages

  • Provides fully contextual answers to questions about code

  • Offers a deep semantic understanding of code

  • Indexes and understands codebase on multiple levels

  • Privacy-focused, does not store code on servers

  • Generates step by step guides for adding or modifying features


  • Reads every code snippet in the codebase for superior context understanding

  • Offers more detailed and relevant answers compared to other AI copilots

  • Maintains privacy by storing data locally

  • Helps write consistent code and improves developer productivity


  • Specific cons not found in the available sources

4. SpellBox

SpellBox is an AI coding assistant designed to simplify the coding process. It creates code from simple prompts, enabling quick solutions to complex programming problems.

SpellBox homepage image


  • Early Bird Price: $40 (Regular Price: $65)

  • One Year License


  • Code Generation: Generates code from user prompts using AI technology

  • Code Explanation: Helps in understanding code, reducing research and study time

  • Bookmarking: Allows saving and retrieving code snippets, useful for multi-project developers

  • VS Code Extension: Integrates with VS Code for an enhanced coding experience


  • Streamlines coding by generating code quickly from prompts

  • Facilitates understanding of complex code

  • Supports multiple programming languages

  • Enhances productivity, especially in array handling and algorithm development


  • Dependency on a tool for code generation might limit learning for beginners

  • Potential for limited customization in generated code

  • Requires a paid license for full feature access

5. Mendable

Mendable is an AI-powered search engine developed by SideGuide, designed to provide automated answers to developers' questions. It enables the creation of production-ready chat applications with AI technology, offering intelligent and personalized responses for various purposes like customer support bots, product copilots, or sales copilots.

Mendable homepage image


  • Free Plan: Limited to 100 chats per month. Certain open-source projects may qualify for free usage.

  • Paid Plans: Starting from $49/month


  • Effortless Ingestion and Deployment: Seamless integration and deployment of AI Chat Search apps for documents.

  • Customizable AI Models: Control over AI model properties with support for models like GPT-3.5-Turbo and GPT-4, including training through answer correction.

  • Privacy-First Features: Custom private, open-source LLMs for data protection.

  • Flexible Component Options: Various components like search bars, chat bubbles, and full CLIs for integration.

  • AI-driven Search: Provides customized answers based on documentation.

  • Easy Deployment: Single line of code integration.

  • Continuous Improvement: Learns and adapts over time using user feedback.

  • Seamless Integrations: Compatibility with platforms like Discord, Slack, Github.

  • Chat-powered Search Bar: For quick access in documentation or websites.

  • Reporting Insights: Helps identify blockers and improve developer experience.


  • Time Savings: Reduces time spent searching for answers.

  • Personalized Results: Tailored solutions based on unique documentation.

  • Streamlined Workflow: Smoother development process with easy information access.

  • Enhanced Collaboration: Integrates with communication and development tools.

  • Data Privacy: No access to repository code with an opt-out option for data sharing.


  • Specific details on potential limitations or drawbacks were not readily available in the sources reviewed.

6. AlphaCode

AlphaCode is an AI system created by DeepMind that writes computer programs at a competitive level. It uses transformer-based language models to generate code on a large scale, which it then filters to select promising programs. This system has achieved a rank within the top 54% of participants in programming competitions, solving new problems that require critical thinking, logic, algorithms, coding, and natural language understanding.

AlphaCode homepage image


  • Not specified


  • Transformer-based language models for code generation

  • Ability to solve competitive programming problems

  • Pre-training on public GitHub code

  • Fine-tuning on competitive programming dataset

  • Large-scale sampling and filtering of generated programs

  • Generation of C++ and Python programs

  • Automated system replacing trial-and-error process in problem-solving


  • Represents a substantial leap in AI problem-solving capabilities

  • Demonstrates the potential of deep learning models for critical thinking tasks

  • Contributes to the advancement of AI in code generation and problem-solving

  • Potential to improve programmer productivity and accessibility to coding


  • Currently, not leading in programming competitions (ranked within top 54%)

  • Limited information on accessibility and user interface

  • Specific focus on programming challenges, may not be as versatile for other applications

7. EasyCode

EasyCode is an AI tool designed to assist developers by providing context-aware code suggestions, helping understand legacy projects, and finding relevant code with ease. It integrates ChatGPT within the IDE, supporting over 15 programming languages, including Python, JavaScript, TypeScript, Go, and Ruby.

EasyCode homepage image


  • Free Plan: Limited features with GPT-3.5, excluding in-line autocomplete

  • GPT-4 Credit Packs: $5 for 150,000 input tokens, full features including code generation with GPT-4

  • GPT-3.5 Pro Plan: $7 per month, unlimited GPT-3.5 with in-line autocomplete


  • Context-aware code suggestions

  • Support for understanding legacy projects

  • Facilitates finding relevant code

  • Integration with ChatGPT inside IDE

  • Supports over 15 programming languages


  • Facilitates faster and easier code writing with real-time recommendations

  • Aids in learning new concepts and skills through natural language explanations

  • Helps reduce coding errors and bugs

  • Integrates with popular coding platforms like Visual Studio Code and GitHub

  • Improves coding productivity and efficiency


  • May not always generate accurate or optimal code snippets or recommendations

  • Potential for misunderstanding questions or prompts due to natural language processing limitations

  • May not always provide the best solution for specific coding problems

  • Dependent on internet connection and API service, which may lead to downtime or reliability issues


In conclusion, the realm of AI search engines for developers is rich with diverse and powerful tools, each offering unique features and capabilities. From Phind's adaptable coding style recommendations to EasyCode's integration with ChatGPT, these tools are designed to cater to a variety of coding needs. Whether you're a beginner seeking to learn coding faster or a professional aiming to streamline your workflow, there's an AI tool out there for you. With options ranging from freemium to affordable premium plans, these AI search engines are not just optimizing the coding journey but also shaping the future of software development.

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