Best Chat Assistants tools

General-purpose AI assistants judged on reasoning, tool use, file handling and day-to-day reliability.

29 tools ranked · updated 2026-08

1. Ranked 1

   77.1 — BenchRank score out of 100

   Browser Use

   Browser Use · Open-source browser automation with hosted stealth browsers and agents

   Best for: Teams building web automation that need hosted stealth browsers and agent APIs, plus an open-source library

   

2. Ranked 2

   76.6 — BenchRank score out of 100

   LobeHub

   LobeHub · Hosted multi-agent platform with a skills and MCP marketplace

   Best for: Individuals and small teams wanting to run several AI agents on a hosted, credit-metered platform

   

3. Ranked 3

   68.8 — BenchRank score out of 100

   Open WebUI

   Open WebUI · Self-hosted interface for running local and cloud AI models

   Best for: Teams that want to self-host one interface over local and cloud models on their own infrastructure.

   

4. Ranked 4

   68.3 — BenchRank score out of 100

   OpenClaw

   OpenClaw · Open-source AI assistant that runs on your own machine

   Best for: People who want an AI assistant they run themselves and drive from WhatsApp, Telegram or Discord.

   

5. Ranked 5

   67.7 — BenchRank score out of 100

   Onyx

   Onyx · Open-source AI chat and search over company docs and apps

   Best for: Teams wanting an open-source AI chat and search layer over their own docs, apps and people.

   

6. Ranked 6

   66.4 — BenchRank score out of 100

   CopilotKit

   CopilotKit · Frontend stack for connecting AI agents to apps

   Best for: Development teams embedding AI agents with in-app generative UI in web, mobile, Slack or Teams apps.

   

7. Ranked 7

   64.1 — BenchRank score out of 100

   Lightpanda

   Lightpanda · Headless browser engine in Zig for automation and AI agents

   Best for: Developers running high-volume scraping or AI agent browsing who want lower RAM and start-up cost

   

8. Ranked 8

   63.7 — BenchRank score out of 100

   Claude

   Claude · AI assistant for coding, analysis and knowledge work

   Best for: Individuals and small teams wanting one AI assistant for coding, analysis and document work

   

9. Ranked 9

   62.6 — BenchRank score out of 100

   LibreChat

   LibreChat · Open-source chat interface for multiple AI model providers

   Best for: Teams that want to self-host one chat interface across several AI model providers.

   

10. Ranked 10

    54.6 — BenchRank score out of 100

    AnythingLLM

    AnythingLLM · On-device AI assistant with local document knowledge

    Best for: Individuals and small teams wanting a private AI assistant that runs on their own machine

    

11. Ranked 11

    54.3 — BenchRank score out of 100

    Hermes Agent

    Hermes Agent · Open-source desktop agent with shared memory across chat platforms

    Best for: Individuals wanting an open-source desktop agent they can reach from chat apps and the terminal

    

12. Ranked 12

    49.6 — BenchRank score out of 100

    FastGPT

    FastGPT · Open-source builder for AI agents with a retrieval knowledge base

    Best for: Enterprise teams building internal AI agents over their own documents, cloud or self-hosted

    

13. Ranked 13

    49 — BenchRank score out of 100

    Jan

    Jan · Open-source ChatGPT alternative that runs models locally

    Best for: Individuals who want to run open-source AI models locally or connect to cloud models.

    

14. Ranked 14

    44.5 — BenchRank score out of 100

    GPT4All

    GPT4ALL · Local chatbot running open-source language models on your own device

    Best for: Developers, teams and AI power-users who want to run open-source models locally, off the cloud.

    

15. Ranked 15

    39 — BenchRank score out of 100

    Browser Operator

    Browser Operator · Open-source AI browser with agents for research and workflow automation

    Best for: Teams that want an open-source AI browser for web research and repetitive browser workflows

    

16. Ranked 16

    38.3 — BenchRank score out of 100

    Microsoft 365 Copilot

    Microsoft 365 Copilot · AI assistant built into Microsoft 365 apps, chat and search

    Best for: Microsoft 365 business customers wanting AI inside Word, Excel, Outlook and Teams

    

17. Ranked 17

    37.9 — BenchRank score out of 100

    Cherry Studio

    Cherry Studio · Open-source desktop AI client for 300+ models across 50+ providers

    Best for: Heavy AI users wanting one desktop client for many model providers, with data kept on their machine.

    

18. Ranked 18

    36.7 — BenchRank score out of 100

    Lumo

    Lumo by Proton · Privacy-first AI chat assistant with zero-access encrypted conversations

    Best for: People who want a general AI chat assistant whose conversations the provider cannot read.

    

19. Ranked 19

    31.6 — BenchRank score out of 100

    Google Gemini

    Google Gemini · Google's AI assistant, used as a browser conversation

    Best for: Individuals wanting a browser-based AI assistant for writing, planning and brainstorming

    

20. Ranked 20

    30.9 — BenchRank score out of 100

    DeepSeek

    DeepSeek · Chat and API access to the DeepSeek V4 models, billed per token

    Best for: Developers wanting a token-billed LLM API with OpenAI- and Anthropic-compatible endpoints

    

21. Ranked 21

    28.5 — BenchRank score out of 100

    5ire

    5ire · Open source desktop AI assistant and MCP client

    Best for: Individuals wanting a desktop chat client for several LLM providers, with MCP tools and local RAG

    

22. Ranked 22

    24.8 — BenchRank score out of 100

    Microsoft Copilot

    Microsoft Copilot · Microsoft Copilot is your companion to inform, entertain and inspire. Get advice, feedback and straightforward answers. Try Copilot now.

    Best for:

    

23. Ranked 23

    A22.3 — BenchRank score out of 100

    Arcane

    Arcane · Software Engineer at OpenAI. Previously founded a YC backed startup and worked at Meta for almost 9 years.

    Best for:

    

24. Ranked 24

    S21.4 — BenchRank score out of 100

    Savvy

    Savvy ·

    Best for:

    

25. Ranked 25

    20.3 — BenchRank score out of 100

    Khoj

    Khoj · Three AI tools: personal assistant, research workbench and desktop co-worker

    Best for: Individuals wanting AI agents and research tools that work over their own documents and the web

    

26. Ranked 26

    E17.7 — BenchRank score out of 100

    Easel

    Easel · Find information, resources and relevant links for easel.io. This domain may be for sale.

    Best for:

    

27. Ranked 27

    17.7 — BenchRank score out of 100

    Brevy

    Brevy · Benefit discovery and enrolment help for family caregivers

    Best for: US family caregivers seeking paid caregiver programmes and Medicaid or Medicare enrolment help

    

28. Ranked 28

    13.8 — BenchRank score out of 100

    NewCraft

    NewCraft · สล็อตเว็บตรง PG Slot ค่ายใหญ่อันดับ 1 ของเอเชีย รวมเว็บสล็อตใหม่ล่าสุด 2026 ทุกค่าย แจกฟรีสปิน ฟรีโบนัส50% เมื่อสมัครปั่นสล็อต

    Best for:

    

29. Ranked 29

    T12.9 — BenchRank score out of 100

    TechBiz

    TechBiz ·

    Best for: