---
title: "Discussion on \"ZAYA1-8B: Zyphra's Efficient MoE Reasoning Model Guide\" | Hashnode"
description: "Discussion on \"ZAYA1-8B: Zyphra's Efficient MoE Reasoning Model Guide\". The scaling-is-everything story has a new challenger. On May 6, 2026, Zyphra released ZAYA1-8B — an open-weight Mixture-of-Experts reasoning model with 8.4 billion total parameters and fewer than 800 million active per token. On AIME 2025, a benchmar..."
url: "https://hashnode.com/posts/zaya1-8b-zyphra-reasoning-moe-guide-2026/6a0191174c6938d6d73c7494"
---

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Discussion

# [ZAYA1-8B: Zyphra's Efficient MoE Reasoning Model Guide](https://effloow.hashnode.dev/zaya1-8b-zyphra-reasoning-moe-guide-2026?utm_source=hashnode&utm_medium=feed)

The scaling-is-everything story has a new challenger. On May 6, 2026, Zyphra released ZAYA1-8B — an open-weight Mixture-of-Experts reasoning model with 8.4 billion total parameters and fewer than 800 million active per token. On AIME 2025, a benchmar...

May 11 · 10 min read · effloow.hashnode.dev  
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-   [#ai-tools](https://hashnode.com/tag/ai-tools)
-   [#inference](https://hashnode.com/tag/inference)
-   [#moe](https://hashnode.com/tag/moe)
-   [#open-source](https://hashnode.com/tag/open-source)
-   [#reasoning-models](https://hashnode.com/tag/reasoning-models)

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[Jangwook Kim](https://hashnode.com/@effloow)

@effloow · Tokyo, Japan

  
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