ex5.ai
ex5.ai is a cloud GPU marketplace and AI compute platform for renting on-demand or interruptible GPU instances. Users can compare available hardware and regional offers, launch GPU machines for model development, training, fine-tuning or inference, and pay from a prepaid credit balance with per-second compute billing. The service also provides an OpenAI-compatible model API, a browser-based chat workspace and hosted fine-tuning with deployment of private model endpoints. GPU prices vary by model, host, location and availability; credits can be added in advance, with a $5 minimum top-up and no subscription. The web console brings GPU compute and AI model services together, while API access supports applications that use compatible chat-completion requests.
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PIAX
PIAX is a browser-based AI workspace that brings together conversational models, writing and coding assistance, and creative generation tools. Users can chat with more than 100 AI models, create and edit images and videos, generate voice content, and use 3D and other media tools through Creative Studio. PIAX One lets users describe a goal and create work such as documents, slides, web pages, images, and videos in one workspace. The service also connects with external apps including Gmail, Slack, Notion, GitHub, Google Drive, Telegram, and Outlook. It is intended for individual creators, students, developers, marketers, and teams seeking multiple AI capabilities in one account. A free tier and paid subscription plans are offered, with available models, credits, and features varying by plan.
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GHOSTMETAL
GHOSTMETAL provides browser-based AI chat and an API for applications that use language and image models. It offers GLM-5.3 with a 256K context window, GLM-5.3-long with a 1M context window, and Qwen-3.8 with built-in web search, along with image generation and editing. Its OpenAI-compatible REST API supports streaming and works with clients such as Cursor, Cline, Continue, SillyTavern, Agnai, LangChain, and OpenAI SDKs. The service is intended for individuals and developers using AI for software development, writing, and creative workflows. Customers can use prepaid credits or monthly plans, and manage separate API tokens for individual applications. GHOSTMETAL runs the service on hardware it owns and operates; prompts and responses are processed in memory, while chat history and images remain in the user's browser.
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Kinovi
Kinovi is a web-based AI media generation platform for creators and developers. Its browser-based Studio lets users select from a catalog of video, image, and audio models, submit prompts and supported reference media, and review generated results. The same model routes are available through a REST API, with documentation for authentication, task submission, status checks, uploads, webhooks, model inputs, and usage rates. A shared credit balance covers Studio and API requests; charges vary by model and settings, failed tasks are refunded, and purchased credit packages do not expire. Users can compare models and prices before choosing a workflow, while developers can automate generation and retrieve task results programmatically. Kinovi is suited to creative exploration, media production, and application workflows that need access to multiple AI generation models through one web interface or API.
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