Hy-4 Preview (Fully FREE): RIP Astra? This model is PRETTY CRAZY!
Checkout Hy-4 Preview on WorkBuddy here: https://www.workbuddy.ai/Thank you to Tencent for sponsoring this video.
In this video, I’ll tell you about Tencent’s new open-weight Hy4 Preview model, a 770-billion-parameter mixture-of-experts model built for coding agents, long-horizon planning, tool use, and office productivity. I’ll also show you how to use Hy4 Preview for free with WorkBuddy and test it with complex coding, 3D game development, expense auditing, and research presentation tasks.
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Key Takeaways:
🚀 Hy4 Preview is a 770-billion-parameter mixture-of-experts model with 49 billion active parameters.
🧠 Its Gated Sparse Attention mechanism supports a context window of more than 1 million tokens.
🤖 The model is designed for agentic coding, multi-step planning, tool calling, and long-horizon task execution.
📊 Hy4 Preview delivers highly competitive results across GPQA Diamond, Terminal Bench, and SWE-bench Multilingual.
💸 Its affordable API pricing makes it one of the cheapest flagship open-weight models currently available.
🆓 You can use Hy4 Preview for free inside Tencent’s WorkBuddy AI agent app for a limited time.
🎮 In the demos, the model builds a Canvas platformer and a Three.js neon street-racing game from detailed prompts.
📁 WorkBuddy can read local files, browse the web, run code, and generate finished documents, spreadsheets, and presentations.
🔍 Hy4 Preview successfully audits reimbursement claims using multiple policies, records, invoices, and emails.
👍 Overall, Hy4 Preview is one of the strongest open-weight models for coding, research, office work, and autonomous agent tasks. Receive SMS online on sms24.me
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