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AI · alternatives · 2026

24 alternatives to ModelFusion

Simultaneously Chat with Leading LLM Models

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. ModelFusion launched in 2024; newer entries below may have overtaken it.

  1. 1CW

    Hello HN! I was fed up switching between multiple UIs to ask GPT, Claude, etc… the same question and comparing the answers. So I built a way to ask multiple models the same question efficiently by having the LLM compare the responses and only show you new and valuable information from the 2nd model. This way you still get a fast response as normal from the 1st model, but also get any added value provided by the 2nd model. Initially I built my own UI to use this, but stumbled upon Open WebUI (formerly Ollama WebUI) which is fantastic, but is made more for local access to LLMs. So I talked to…

    2025 · polychat.co · its alternatives →

  2. 2
    Chatgot▲214

    Chat freely, got every AI assistants here for you

    2023 · its alternatives →

  3. 3
    Dolly▲113

    Democratizing the magic of ChatGPT with open models

    2023 · its alternatives →

  4. 4

    One balance. Every model. Chat, image, video & audio.

    Jun 2026 · lounge.llmgateway.io · its alternatives →

  5. 5IB

    I'm lost between ChatGPT vs Claude vs Gemini... which subscriptions to take? With Cursor and all these specific AI tools, I just wanted one simple chat app where I can use any model and pay only when I use it. Couldn't find one, so I built one. Pay only for what you use. Your prompts and docs, knowledge bases work with every model - no more copy-pasting between apps. Started as a personal project, but thought someone else might benefit from this too. https://prismharmony.com/chat What do you think?

    2025 · prismharmony.com · its alternatives →

  6. 6UC
  7. 7

    Shared persistent memory across all your LLMs.

    Sep 2025 · teamlayer.xyz · its alternatives →

  8. 8

    Use multiple LLMs at once, privately!

    22d ago · transferllm.com · its alternatives →

  9. 9

    Chat with 300+ AI models in one place with 20+ free

    Jul 2026 · chats-llm.com · its alternatives →

  10. 10

    Save 80% on AI Subscriptions and prompt up to 4 models!

    2025 · playground.chat · its alternatives →

  11. 11

    Compare LLM outputs (GPT-4, Claude...) in simple playground.

    Nov 2025 · llm-lab-three.vercel.app · its alternatives →

  12. 12AL
  13. 13AL

    any-llm is a library that provides unified access to multiple LLM providers. switching between providers like OpenAI, Anthropic, Google, Mistral, and even Ollama is just a string change. This demo makes it easy to look at and compare responses from different models. Interesting to see how ChatGPT, Claude, Gemini, and local models each reason through the same problems. Let us know what you think!

    2025 · github.com · its alternatives →

  14. 14LO

    Hi HN! I built LLM OneStop (https://www.llmonestop.com), a unified interface for accessing multiple AI language models in one place. The main problem I wanted to solve: constantly switching between different AI platforms, managing multiple subscriptions, and losing conversation context when comparing outputs across models. Key features: Switch between GPT-4, Claude, Gemini, Llama, and other models mid-conversation Compare responses side-by-side Single interface instead of juggling multiple tabs/subscriptions Free tier available to try it out (no credit card needed) "Connect"…

    Nov 2025 · llmonestop.com · its alternatives →

  15. 15

    Every AI Model. Switch models without losing context

    Oct 2025 · usemynx.com · its alternatives →

  16. 16

    Smartest way to use AI!

    Feb 2026 · its alternatives →

  17. 17LL

    Author here. I wanted to keep my conversation with #Gemini about code handy while discussing something creative with #ChatGPT and using #DeepSeek in another window. I think it's a waste to have Electron apps and so wanted to chat with LLMs on my own terms. When I discovered the llm CLI tool I really wanted to have convenient and pretty looking access to my conversations, and so I wrote gtk-llm-chat - a plugin for llm that provides an applet and a simple window to interact with LLM models. Make sure you've configure llm first (https://llm.datasette.io/en/stable/) I'd…

    2025 · github.com · its alternatives →

  18. 18

    Multiple models respond simultaneously, pick your answer

    Jan 2026 · unichatgpt.com · its alternatives →

  19. 19

    Chat interface for most capable AI models

    2023 · its alternatives →

  20. 20IG
  21. 21

    Chat with the top AI models from a single interface

    2024 · its alternatives →

  22. 22CW

    Chat with multiple AI models once and compare the results to pick the best one. This should help you with your research as different AI model can give you different answers and some might be better than others.

    2025 · instaask.ai · its alternatives →

  23. 23

    Software

    2025 · chatcomparison.ai · its alternatives →

  24. 24

    Engage in free conversations with advanced LLMs.

    2025 · chats-llm.com · its alternatives →

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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →