nowfound

AI · alternatives · 2026

24 alternatives to ModelGuessr: Can you tell which AI you're chatting with?

Hey HN - I built ModelGuessr, a game where you chat with a random AI model and try to guess which one it is. A big open question in AI is whether there's enough brand differentiation for AI companies to capture real profits. Will models end up commoditized like cloud compute, or differentiated like smartphones? I built ModelGuessr to test this. I think that people will struggle more than they expect. And the more model mix-ups there are, the more commodity-like these models probably are. If enough people play, I'll publish some follow-up analyses on confusion patterns (which models get…

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 2 we have checked on their own sites, 2 of them free or with a free tier.

  1. 1

    Guess what artificial intelligence labeled random images

    2021 · thinklikeabot.com · its alternatives →

  2. 2

    I made this experimental art project/game that's an LLM chat assistant, but where you're the AI. I wanted people to get a visceral sense of what it's like to answer the kinds of things that people prompt their chatbots day in and day out. If you're interested, I wrote up some more info on how I made it, including how the "user" prompts are generated with an eye for realism: https://bethechatbot.com/about Hope you enjoy it! I'd love to hear people's takeaways.

    Jul 2026 · bethechatbot.com · its alternatives →

  3. 3

    I’ve been building a small hardware box that runs local LLMs like Mistral, Qwen and Llama, and exposes an OpenAI compatible API on your local network. There’s no cloud, no login system and no telemetry. I built it because a lot of small firms want ChatGPTbstyle tools but can’t use cloud AI for privacy or compliance reasons, and most don’t want to deal with GPU servers, drivers, Docker or model configs. The aim is to make local AI feel as simple as plugging in a router. Right now the box boots into a very simple web UI where you choose a model and start using it. The API follows the OpenAI…

    Nov 2025 · axis-one-psi.vercel.app · its alternatives →

  4. 4

    Hi HN, I built ChatOne while working on a project and constantly switching between AI models like GPT-4 and newer ones like Claude 3.5. I kept wondering if I was missing out on better answers, so I created ChatOne to get responses from multiple models at once and compare them easily. -Teddy

    2024 · chatone.io · its alternatives →

  5. 5BG

    Hi HN, My name is Othmane and I’ve been in the ML field (building and shipping models) for the last ~5years. Today, as many people out there, I come across new AI tools every week. However I was a bit surprised to see little to no mention of established AI vendors that existed before chatGPT and how most use cases are heavily biased toward content generation (text/image) or conversational AI (chatbots). I built a tool that helps you find the right AI solution/provider based on your use case. It uses a curated database of 100+ solutions from established vendors. It covers things…

    2023 · preview.steerlab.ai · its alternatives →

  6. 6FT

    Hey HN! When implementing an AI-powered feature for a project, we—and many people we've talked to—often reach a point where we have to choose an AI model but aren’t sure which one best fits our constraints or where to even start. Unfortunately, the advice to "just use chatgpt" is not always a good one. What if I want an open-source model? What languages does it support? What about context window size or the number of parameters? There are thousands of AI models already out there and many of them are perfect for certain problems. That’s why we’ve carved out this part of our product as a free…

    2024 · app.elementera.ca · its alternatives →

  7. 7
    Oumi▲24

    Since yesterday, I've created a dataset out of a few docs I had (hackathon organization instructions) and then started fine tuning qwen 3.5. So it only took a few hours! I'm impressed by the ease of use - it's a chatbot and even if you don't have a lot of experience you can follow steps. Though don't want to undermine it, I'm sure could be a great fit for serious labs too.

    Apr 2026 · oumi.ai · its alternatives →

  8. 8

    Ask once. Compare multiple AI models. Get one synthesis.

    Jun 2026 · truth.agnthub.ai · its alternatives →

  9. 9
    JIT▲14

    Hey HN! I just shipped a new version of JIT.dev — you can now chat with multiple AI models like Gemini, Qwen, OpenAI, Claude, DeepSeek (and more) all in one place. Super handy if you wanna compare how they think and code side by side. What do you think?

    2025 · jit.dev · its alternatives →

  10. 10
    Bersyn▲12

    I built a scoring system to measure how AI models represent software products when users ask buying questions. The process: I take a product, generate the queries a buyer would ask (category, competitor alternatives, head-to-head), run them through ChatGPT, Claude, Perplexity, and Gemini, then score how prominently the product appears in each response (0-10). Some findings from scanning 35 products: ChatGPT is the biggest blind spot. It scores 0 for most open source challengers, even ones with 30K+ GitHub stars. Incumbents dominate across all models. "Best project management tool" returns…

    Jul 2026 · bersyn.com · its alternatives →

  11. 11

    Compare AI models side-by-side on same prompt

    Feb 2026 · testaimodels.com · its alternatives →

  12. 12

    Excited to share a project I’ve been building for months! Would love to receive honest feedback :) My motivation: AI is clearly going to be the interface for data. But earlier attempts (text-to-SQL, etc.) fell short — they treated it like magic. The space has matured: teams now realize that AI + data needs structure, context, and rules. So I built a product to help teams deliver “chat with data” solutions fast with full control and observability (agent tracing, quality scores, etc) — am I wrong? The product allows you to connect any LLM to any data source with centralized context…

    2025 · github.com · its alternatives →

  13. 13

    Take a 2 min quiz and see which AI model thinks like you

    Jan 2026 · ai-aligned.vercel.app · its alternatives →

  14. 14

    Find out if AI recommends your brand, or your rival

    Aug 2026 · modelsaid.com · its alternatives →

  15. 15

    Find the right LLM model for your needs table and chat Agent

    2025 · llmasaservice.io · its alternatives →

  16. 16

    Hey HN! I love those moments when LLMs are just working right away, but I'm also quite frustrated when they can't complete a single simple task. In those moments I'm always wondering "Is it just me or...?" So I've built AI Daily Check. Made the frontend with Node.js under Cloudflare Pages (with Functions for SSR). Took the opportunity to learn how to make a lightweight SSR engine (Claude Code was incredibly helpful for this!). The backend in on Cloudflare Workers. The challenge is getting votes, so I've started to scrape Reddit, running a small sentiment analysis on the posts and storing…

    2025 · aidailycheck.com · its alternatives →

  17. 17

    Hey HN, My workflow for any complex queries is to ask it in multiple AI chats (Gemini, Claude, o3,..) in parallel and then continue the conversation with the chat response that I found the most useful. I built a simple open source app that queries 10+ AI models at once and summarizes their answers with a selected combiner AI model. There's a GIF in the github repo that shows it in action. You can try it on your local machine: https://github.com/Nexarithm/multi_model_chat If you are interested, I also made a detailed blog post on technical details, feature of the personal…

    2025 · github.com · its alternatives →

  18. 18

    Ask poll question to AI models

    2024 · debate-project.vercel.app · its alternatives →

  19. 19

    The #1 Platform for comparing 40+ AI models

    2025 · chatplayground.ai · its alternatives →

  20. 20

    Hey all, During Christmas and new year I was building this app day and night, I basically built it for my own use, I've got so much headache switching between tabs of different LLMs and chatbots, and other ai chat apps were missing some features that I really really wanted: - be able to chat with multiple models at once - be able to do debate with multiple models so thats why I built it, I launched it 2 days ago, 0 users so far, I really appreciate any feedbacks. I offer free plan with 20 message / day in some cheap models (I'm indie dev with no budget) and 2 plans that gives you higher…

    Aug 2026 · omny.chat · its alternatives →

  21. 21

    Hi everyone, We built ModelRed to test AI models and apps for security issues. Ran 4,182 attack probes against 9 leading models to see what would break. Leaderboard: https://modelred.ai (no signup, just check it out) Claude scored 9.5/10 but still failed on medical/financial prompts. Mistral Large scored 3.3/10. The gap between best and worst is huge. We test for prompt injections, data leaks, jailbreaks, risky tool calls, domain specific hacks, basically everything that goes wrong when your LLM has access to real data and APIs. The platform runs these tests…

    Nov 2025 · modelred.ai · its alternatives →

  22. 22IM

    I’m Hayden, a 13-year-old developer based in Australia, and I’ve built a CoT logical thinking and reasoning AI model similar to OpenAI o1. It's powered by open source small models like Llama 3.1 and 3.2 and I would love for you to try it and share your feedback with me. You can try it here: https://ai.pixelverse.tech/app/cortexchat I built it just for fun and launched it a day after the o1 release. It's not perfect yet but its still amazing to see how a detailed prompt can have such a difference on the quality of the LLM response! Please let me know any feedback or…

    2024 · ai.pixelverse.tech · its alternatives →

  23. 23

    All premium AI models, one subscription

    2025 · app.combochat.ai · its alternatives →

  24. 24CW

    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 →

Also compare

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 →