Melsun — all-in-one AI platform

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    A ChatGPT alternative that includes Claude, Gemini, and creative studios

    Looking for a ChatGPT alternative? Melsun is an all-in-one AI workspace with multi-model chat plus image, video, and audio generation in one account.

    Try Melsun freeOpen multi-model chatBrowse AI models

    Why people look past a single provider

    Most people looking for a ChatGPT alternative are not unhappy with ChatGPT itself. They have simply noticed that no single model is best at everything, and that keeping separate subscriptions to reach Claude for long-document work, Gemini for research, and a dedicated tool for images adds up to real money and constant context switching.

    Melsun is built for that situation. One account reaches models from NVIDIA, OpenAI, Anthropic, Google, xAI, DeepSeek, Mistral, and Z.AI, and you can switch between them inside the same conversation. Draft something quickly with a fast model, then escalate the hard part to a stronger reasoning model without losing the thread or repeating yourself.

    The part that genuinely differs from a chat-only product is what surrounds the chat. Image, Video, and Audio studios run on the same sign-in and the same credit balance, so generating a product image or a voiceover does not mean another vendor, another login, and another invoice.

    CapabilityMelsunChatGPT alone
    Multi-model chatGPT, Claude, Gemini, Grok, DeepSeek in one placePrimarily OpenAI models in ChatGPT
    Image & videoFlux, Seedance, Veo, Kling, and more in studio appsLimited image/video depending on plan
    AudioTTS, music, SFX, and transcription in Audio StudioVoice features vary; not a full audio studio
    Business workflowsOptional Shipment Tracking for ocean freight ETAsGeneral chat; no logistics workflows

    Switch models mid-work

    Draft fast, then escalate to a stronger reasoning model without leaving the thread.

    Create beyond chat

    Generate images, video, speech, and transcripts in the same account.

    Optional ops tools

    Add Shipment Tracking when your team needs ocean freight ETA workflows.

    Which one should you pick?

    Choose Melsun if

    • You want several frontier models available in one thread rather than one provider's family.
    • You also generate images, video, or audio and would rather not run separate subscriptions for each.
    • You would rather not pick a model for every prompt and want sensible automatic routing by default.
    • You want one bill and one credit balance across chat and creative work.

    Stay with ChatGPT if

    • You depend on features specific to OpenAI's product, such as its particular custom GPTs or ecosystem integrations.
    • You only ever use one model and never generate media, which makes a multi-model workspace unnecessary overhead.
    • Your organization has already standardized on a single provider for procurement or compliance reasons.

    FAQ

    Is Melsun a ChatGPT alternative?
    Yes. Melsun Chat lets you talk to NVIDIA, OpenAI, Anthropic, Google, xAI, DeepSeek, Mistral, and Z.AI models from one workspace — with history, web search, document tools, and optional Google connectors.
    Can I generate images and video too?
    Yes. Unlike a chat-only product, Melsun includes Image Studio, Video Studio, and Audio Studio under the same sign-in and credit balance.
    Do I need separate subscriptions?
    No. One Melsun account replaces juggling multiple AI provider logins for everyday chat and generation work.
    Do I have to choose a model every time?
    No. Auto mode reads the request and routes it to a suitable model, sending quick questions to a fast model and harder reasoning or coding work to a stronger one. You can pin a specific model whenever you want direct control.
    Can Melsun search the web and read my documents?
    Yes. Browse pulls live results into an answer when a question depends on current information, you can attach documents and images in the thread, and you can connect Google Drive, Gmail, Calendar, Sheets, and other apps from the Connectors page so Chat can search and read what you already keep there.
    Is there a free tier?
    Yes. A set of models runs at zero credit cost, so you can use Melsun for everyday chat without paying — unlimited, subject to fair use. Credits apply to premium models and to image and audio generation. Video Studio generate is for Monthly and Annual subscribers.
    What happens to my chat history when I switch models?
    It stays with the conversation. Switching models mid-thread keeps the context, which is the main practical advantage over running several separate subscriptions and re-pasting your work between them.

    Prefer a deeper walkthrough? Read the multi-model workspace guide.