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AI · alternatives · 2026

24 alternatives to Sun

Sun is a realtime voice API built specifically for real‑time collaborative voice interaction, not just one‑on‑one chat. Completing with ChatGPT Realtime and Gemini Live API

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

  1. 1

    Chat with AI using your API keys. Pay only for what you use. ChatGPT, Gemini, Claude, and other LLMs supported. The best chat LLM frontend UI for all AI models.

    2023 · typingmind.com · its alternatives →

  2. 2

    Have a natural, spoken conversation with AI! Contribute to KoljaB/RealtimeVoiceChat development by creating an account on GitHub.

    2025 · github.com · its alternatives →

  3. 3

    Gemini now lets you play with the concepts you ask about

    Apr 2026 · blog.google · its alternatives →

  4. 4

    Tighter instruction adherence in speech agents

    Feb 2026 · developers.openai.com · its alternatives →

  5. 5
    ChatSonic▲656

    Like ChatGPT but with real-time data, images & voice search

    2022 · writesonic.com · its alternatives →

  6. 6

    A simple weekend project, to check if chat conversation could be used on CLI. Uses Google Gemini's gemini-2.0-flash model. Configs will make it nicer, but I wanted to keep it simple to test and launch for now. I can add things for you :) Please give it a try!

    2025 · blog.google · its alternatives →

  7. 7

    Hey there, I’m Brian. I've been shipping conversational models over here at Tavus for the past two years. I want to tell you about our new audio-understanding model: Sparrow-2! It’s a new category of model and a unique new approach to conversational audio. Earlier this year we launched Sparrow-1, (at the time) our SoTA turn taking model. Since our Sparrow-1 launch, I’ve spent a lot of time listening to humans talking and trying to really understand how people know when to talk, when to listen, and when to wait. I’ve also been hunting down failure modes of the current SoTA models. And while…

    2024 · tavus.io · its alternatives →

  8. 8
    Gemini▲528

    Google's answer to GPT-4

    2023 · blog.google · its alternatives →

  9. 9
    Ztalk.ai▲450

    Real-time voice translation

    2025 · ztalk.ai · its alternatives →

  10. 10IR
  11. 11
    Sokuji▲87

    Sokuji Now Supports Gemini 2.5 Flash & 2.0 Flash Live APIs (Beta) Real-time AI translation powered by Google's latest Gemini models - now in beta testing! We're excited to announce that Sokuji now supports Google's cutting-edge Gemini APIs in beta: New Beta Features: - Gemini 2.5 Flash Live API Native Audio Preview - Advanced audio processing, optimized for Asian languages (Japanese, Korean, etc.) - Gemini 2.0 Flash Live API Preview - Cost-effective multimodal AI, excellent for major languages (English, French, Portuguese, etc.) Note: This is currently in experimental phase as we integrate…

    2025 · kizuna-ai-lab.github.io · its alternatives →

  12. 12

    Interact and collaborate with AI to create

    2025 · gemini.google · its alternatives →

  13. 13

    Hey Hackernews- it’s Tim Lenardo and I’m launching v1 of Onit today! Onit is ChatGPT Desktop, but with local mode and support for other model providers (Anthropic, GoogleAI, etc). It's also like Cursor Chat, but everywhere on your computer - not just in your IDE! Onit is open-source! You can download a pre-built version from our website: www.getonit.ai Or build directly from the source code: https://github.com/synth-inc/onit We built this because we believe: Universal Access: AI assistants should be accessible from anywhere on my computer, not just in the browser or in…

    2025 · github.com · its alternatives →

  14. 14

    Talk like a human with your ChatGPT voice assistant

    2023 · stork.ai · its alternatives →

  15. 15IB

    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 →

  16. 16LU

    Hey HN, we're the co-founders of LemonSlice (try our HN playground here: https://lemonslice.com/hn). We train interactive avatar video models. Our API lets you upload a photo and immediately jump into a FaceTime-style call with that character. Here's a demo: https://www.loom.com/share/941577113141418e80d2834c83a5a0a9 Chatbots are everywhere and voice AI has taken off, but we believe video avatars will be the most common form factor for conversational AI. Most people would rather watch something than read it. The problem is that generating video in real-time…

    Jan 2026 · its alternatives →

  17. 17

    Modular Interface for visually interactive AI responses

    Mar 2026 · github.com · its alternatives →

  18. 18

    Your intelligent voice assistant

    2023 · answercall.ai · its alternatives →

  19. 19

    Compare AI Responses Instantly

    2024 · its alternatives →

  20. 20

    It is AI Chat, reply on google's gemini pro api

    2023 · its alternatives →

  21. 21

    Access Gemini Pro, Claude Pro, ChatGPT Pro models and more for $8/month. Is it another AI/LLMs wrapper? Yes. So why should I use it? Honestly right now there are a lot of other alternatives. But here's why I think it's useful enough to release it in early access: 1. Clear & transparent pricing model. Usage rates is the same is providers api rates + 10%. 2. LLMs responses don't rely on the client connectivity. We use Convex. It's super stable. You can even run multiple chats in parallel. 3. Use it if you like the design :) 4. We have a very clear roadmap. What's next? A desktop app…

    2025 · oneaichat.app · its alternatives →

  22. 22

    Realtime Voice Translation

    Nov 2025 · its alternatives →

  23. 23

    Build real-time conversational AI in minutes.

    2025 · zegocloud.com · its alternatives →

  24. 24

    Gemini 1.5 Pro vs ChatGPT-4o: benchmark performance and pricing. Test both via AIMLAPI alongside 1000+ models.

    2024 · aimlapi.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 →