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Tencent Hy4 preview upgrade released

Hunyuan@TXhunyuan
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Why we picked it

Hy4 offers an open-source frontier model with consistent affordable pricing, making it a competitive alternative to other large language models in the market.

Tencent Hy4 preview received an optimization addressing long thinking and over-verification issues on complex tasks. The upgrade maintains task quality while reducing conversation turns and input/output tokens. Benchmarks and human evaluations confirm the improvements. The model features 770B parameters, 49B active parameters, and 1M context window.

Original · Hunyuan

✔️Hy4 preview just shipped an upgrade. You flagged it: long thinking + over-verification on complex tasks. We optimized it. Now live for everyone. Same task quality. Fewer turns. Lower in/out tokens. Bench + human eval both confirm. We’ll keep iterating fast. Try it and tell us what still breaks. Try on WorkBuddy: WorkBuddy.ai Tencent Hy @TencentHunyuan 🚀 Hy4 preview is here. 770B, 49B active, 1M context. Built for productivity. Open source frontier. Consistent affordable price. Use it. Tell us what breaks. More on Hy blog hy.tencent.ai/research/hy4-p… C HuggingFace huggingface.co/tencent/Hy4-pr… R Github github.com/Tencent-Hunyua… L 🔗 View Quoted Tweet 💬 19 🔄 34 ❤️ 430 👀 31136 📊 73 ⚡

#Tencent Hy4#Tencent#open-source models#reasoning models#productivity

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