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Alternatives · 2026

Best Locus AI Alternatives in 2026

24 alternatives · 24 with a free plan · Updated

What are the best Locus AI alternatives?

The best Locus AI alternatives for AI Assistant in 2026 are NativeMind (free, free), AI Lime (AI document analysis tool, free) and GrantGPT (AI grant search tool, free). 24 of the 24 listed alternatives have a free or freemium plan.

Looking for something other than Locus AI? Below are 24 alternatives in AI Assistant, AI Copilot and AI PDF, all closely matched, ranked by how much they overlap with Locus AI. Locus AI itself is free. Each entry shows what the tool does, what it shares with Locus AI, its key features and pricing.

What is Locus AI?

Locus AI has a free plan that covers three documents a day, which is enough to try it on real reading before you pay anything. Locus AI is an AI search and summarizing tool that pulls answers out of webpages and PDFs, and it runs as a browser extension. The free tier includes AI helpers and lets you save favorites.

Pricing
Free

Locus AI alternatives compared

Top 5 alternatives to Locus AI with pricing and overlap
ToolPricingShared with Locus AIMatch
Locus AIFree—Original
NativeMindFreeAI Assistant, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs), OtherStrong match
AI LimeFreeAI Assistant, AI PDF, AI Research Tool, AI Summarizer, Large Language Models (LLMs), OtherStrong match
GrantGPTFreeAI Assistant, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs), OtherStrong match
ResearchGPTFreeAI Assistant, AI PDF, AI Research Tool, Large Language Models (LLMs), OtherStrong match
BelogaFreeAI Assistant, AI Search Engine, AI Summarizer, Large Language Models (LLMs), OtherStrong match

Top 24 alternatives to Locus AI

  1. #1
    NativeMind logo

    NativeMind

    Strong matchFree

    NativeMind is a free, open-source browser extension that runs AI summarizing, chat, search and translation on your own device through Ollama.

    In common with Locus AI: AI Assistant, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs), Other

    • Absolute privacy: 100% on-device
    • Fully open-source
    • Fast

    Pricing: free, same as Locus AI

  2. #2
    AI Lime logo

    AI Lime

    Strong matchFree

    AI Lime is an AI document analysis tool that lets you chat with PDFs, extract key insights, and analyze content, with a free plan.

    In common with Locus AI: AI Assistant, AI PDF, AI Research Tool, AI Summarizer, Large Language Models (LLMs), Other

    Pricing: free, same as Locus AI

  3. #3
    GrantGPT logo

    GrantGPT

    Strong matchFree

    GrantGPT is an AI grant search tool that finds active EU funding calls for proposals and helps summarize them and draft related documents.

    In common with Locus AI: AI Assistant, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs), Other

    • AI platform for exploring European funding opportunities

    Pricing: free, same as Locus AI

  4. #4
    R

    ResearchGPT

    Strong matchFree

    Open source AI research paper chat tool that answers questions from uploaded PDFs or linked PDF URLs and cites source text and page numbers.

    In common with Locus AI: AI Assistant, AI PDF, AI Research Tool, Large Language Models (LLMs), Other

    • It allows users to upload PDF documents or provide links to online PDFs
    • It also provides the source text and page number used to generate the response

    Pricing: free, same as Locus AI

  5. #5
    Beloga logo

    Beloga

    Strong matchFree

    Beloga is an AI knowledge management tool that lets you search a personal knowledge vault for quick answers, with a free plan available.

    In common with Locus AI: AI Assistant, AI Search Engine, AI Summarizer, Large Language Models (LLMs), Other

    • Searches are rate-limited
    • Command spotlight and powerful shortcuts
    • Unlimited workspaces

    Pricing: free, same as Locus AI

  6. #6
    Phind logo

    Phind

    Strong matchFree

    Phind is an AI search engine and pair programming assistant that answers developer questions with quick, relevant results.

    In common with Locus AI: AI Assistant, AI Copilot, AI Search Engine, Large Language Models (LLMs), Other

    • Provides relevant results quickly
    • Supports natural language queries
    • Offers pair programming assistance

    Pricing: free, same as Locus AI

  7. #7
    Bearly logo

    Bearly

    Strong matchFree

    Bearly is an AI assistant for reading, writing, and summarizing, built for researchers and content creators who want to work faster.

    In common with Locus AI: AI Assistant, AI Copilot, AI Summarizer, Large Language Models (LLMs), Other

    • An AI tool for researchers and content creators to read

    Pricing: free, same as Locus AI

  8. #8
    FileGPT logo

    FileGPT

    Strong matchFree

    FileGPT is an AI file chat tool that answers questions about your PDFs, YouTube videos, audio files and webpages in plain language.

    In common with Locus AI: AI Assistant, AI PDF, AI Summarizer, Large Language Models (LLMs), Other

    • GPT-AI powered app to chat with various file types for quick and accurate answers

    Pricing: free, same as Locus AI

  9. #9
    Iris.ai logo

    Iris.ai

    Strong matchFree

    Iris.ai is an AI research tool offering smart search, auto-generated summaries, and automatic data extraction for managing documented knowledge.

    In common with Locus AI: AI Copilot, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs), Other

    • AI-powered platform for research processing and knowledge management

    Pricing: free, same as Locus AI

  10. #10
    OmniScholar logo

    OmniScholar

    Strong matchFree

    OmniScholar is an AI research tool that brings academic search, reference management, a document editor and research agents into one place.

    In common with Locus AI: AI Assistant, AI PDF, AI Research Tool, AI Search Engine, AI Summarizer

    • AI-powered research platform streamlining academic workflows from discovery to publication

    Pricing: free, same as Locus AI

  11. #11
    ResearchPal logo

    ResearchPal

    Strong matchFree

    AI research assistant for automated literature reviews, paper insights, web-sourced answers, and citations in a writing editor.

    In common with Locus AI: AI Assistant, AI PDF, AI Research Tool, Large Language Models (LLMs), Other

    • Create "3" projects
    • Upload "05" research papers
    • Extract paper insights from "02" papers

    Pricing: free, same as Locus AI

  12. #12
    SummerEyes logo

    SummerEyes

    Strong matchFree

    SummerEyes is an AI browser extension that summarizes web pages and text so you can read less and get to the point faster.

    In common with Locus AI: AI Assistant, AI Summarizer, Large Language Models (LLMs), Other

    • AI-powered browser extension for summarizing text and boosting productivity

    Pricing: free, same as Locus AI

  13. #13
    Jarvis AI logo

    Jarvis AI

    Strong matchFreemium

    Jarvis AI is a browser extension that adds an AI copilot and chat assistant to pages you already use, for quick writing, reading and search help.

    In common with Locus AI: AI Assistant, AI Copilot, Large Language Models (LLMs), Other

    • AI Copilot browser extension for productivity enhancement using AI and LLM

    Pricing: freemium (free plan + paid upgrades); Locus AI is free

  14. #14
    iTextMaster logo

    iTextMaster

    Strong matchFree

    iTextMaster is a ChatGPT-based PDF reader that lets you chat with documents and summarize or chat with web pages.

    In common with Locus AI: AI Assistant, AI PDF, AI Summarizer, Large Language Models (LLMs), Other

    • It also supports online webpage summarization and chat

    Pricing: free, same as Locus AI

  15. #15
    LINER AI logo

    LINER AI

    Strong matchFree

    LINER AI is a Google search assistant and digital highlighter that answers queries with cited web sources and lets you annotate PDFs and web pages.

    In common with Locus AI: AI Assistant, AI Copilot, AI PDF, AI Research Tool

    Pricing: free, same as Locus AI

  16. #16
    F

    FreshFeed

    Strong matchFree

    FreshFeed is a search API that feeds LLMs recent news and statistics to cut outdated answers and hallucinations.

    In common with Locus AI: AI Assistant, AI Research Tool, AI Search Engine, Large Language Models (LLMs), Other

    • Helps LLMs access the latest information
    • Reduces hallucination and improves accuracy in LLM responses
    • Provides accurate statistics and numerical data

    Pricing: free, same as Locus AI

  17. #17
    Walles.AI logo

    Walles.AI

    Strong matchFree

    Walles.AI is a browser AI assistant and AI summarizer that answers questions, summarizes web pages and YouTube videos, and pulls insights from PDFs.

    In common with Locus AI: AI Assistant, AI Copilot, AI PDF, AI Summarizer

    • A browser AI assistant for smarter work and faster learning on the web

    Pricing: free, same as Locus AI

  18. #18
    Perplexity AI logo

    Perplexity AI

    Strong matchFree

    Perplexity AI is an AI search engine that answers natural language questions with sourced responses drawn from web search results.

    In common with Locus AI: AI Copilot, AI Research Tool, AI Search Engine, Large Language Models (LLMs), Other

    • Provides answers using AI and search engines
    • Supports natural language queries
    • Offers Copilot for more in-depth answers

    Pricing: free, same as Locus AI

  19. #19
    P

    PalyPDF

    Strong matchFree

    AI PDF chat tool that lets you search, organize, and summarize PDF documents in one place, with OCR for text and images.

    In common with Locus AI: AI Assistant, AI PDF, AI Search Engine, AI Summarizer, Large Language Models (LLMs)

    • It supports over 85 languages and has processed over 20
    • PDFs for 500+ users

    Pricing: free, same as Locus AI

  20. #20
    RLAMA logo

    RLAMA

    Strong matchFree

    Free open-source tool for building document question-answering systems, or RAG, that run on local AI models on your own machine.

    In common with Locus AI: AI Assistant, AI Research Tool, AI Search Engine, AI Summarizer, Large Language Models (LLMs)

    • Completely free and open source (CLI tool)
    • % local processing with no data sent to external servers
    • Supports multiple document formats

    Pricing: free, same as Locus AI

  21. #21
    Haye AI logo

    Haye AI

    Strong matchFree

    Haye is a macOS AI assistant for reading, translating, and writing text across your Mac apps, with web search and PDF chat.

    In common with Locus AI: AI Assistant, AI PDF, AI Search Engine, AI Summarizer, Large Language Models (LLMs)

    • Haye is a system-level text intelligence assistant designed for macOS
    • It streamlines reading
    • Haye also offers web search capabilities

    Pricing: free, same as Locus AI

  22. #22
    S

    Solace

    Strong matchFree

    Solace is an AI document chat tool that summarizes PDFs, images, and text files, builds mind maps, and answers questions from uploaded content.

    In common with Locus AI: AI PDF, AI Research Tool, AI Summarizer, Large Language Models (LLMs), Other

    • AI-driven platform for document interaction

    Pricing: free, same as Locus AI

  23. #23
    BioBrain logo

    BioBrain

    Strong matchFree

    BioBrain is a market research operations platform that automates data collection, analysis and reporting so research projects move faster.

    In common with Locus AI: AI Assistant, AI Research Tool, AI Summarizer, Large Language Models (LLMs), Other

    • Accelerated research timelines (4X faster)
    • Improved data quality through automation and AI
    • Reduced manual errors

    Pricing: free, same as Locus AI

  24. #24
    ChatTube AI logo

    ChatTube AI

    Strong matchFree

    Chat with YouTube videos and PDF documents in one place, with an AI quiz generator for studying and review.

    In common with Locus AI: AI Assistant, AI PDF, AI Research Tool, AI Summarizer, Large Language Models (LLMs)

    • Enhances learning experience with interactive AI tools
    • Supports chatting with both YouTube videos and PDF documents
    • Offers quiz generation for effective learning evaluation

    Pricing: free, same as Locus AI

How we picked these Locus AI alternatives

We rank tools by how closely they match Locus AI: tools that share more of its categories rank first, then tools whose main category, tags and description overlap with it, then community votes and views. Pricing type and features come from each product's SoftwareVital listing. Admins can pin or remove tools from this list.

Frequently asked questions

What are the best alternatives to Locus AI in 2026?

The closest alternatives to Locus AI are NativeMind, AI Lime, GrantGPT, ResearchGPT and Beloga. They are ranked by how many categories and tags they share with Locus AI and how similar their descriptions are, then by community votes and views on SoftwareVital.

What is the closest alternative to Locus AI?

NativeMind is the closest match because it shares AI Assistant, AI Research Tool and AI Search Engine with Locus AI. It is free.

Are there free alternatives to Locus AI?

Yes. 24 of the 24 alternatives have a free or freemium plan, including NativeMind (free), AI Lime (free), GrantGPT (free), ResearchGPT (free) and Beloga (free). Locus AI is free.

How does Locus AI compare to NativeMind?

NativeMind overlaps with Locus AI in AI Assistant, AI Research Tool and AI Search Engine. Its listed features include absolute privacy: 100% on-device, fully open-source and fast. Pricing: free, same as Locus AI. Open the side-by-side compare page for a full breakdown.

What category is Locus AI in?

Locus AI is listed under AI Assistant on SoftwareVital. Browse that category to see more tools in the same group.