Hy4

Hy4

Tencent
MiMo-V2.6-Flash

MiMo-V2.6-Flash

Xiaomi Technology
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About

Hy4 preview is a new-generation open source Mixture-of-Experts flagship model built for real-world productivity tasks across software engineering, office work, game development, and scientific research. The model contains 770B total parameters with 49B activated per token and supports a 1M-token context window, giving it the capacity to work through large codebases, extensive document collections, and long multi-step tasks. Its 78-layer architecture combines Gated DeepSeek Sparse Attention with IndexCache for cross-layer sparse index reuse and identity Hyper-Connections to expand information flow between layers. A native Multi-Token Prediction layer is included for speculative decoding. Hy4 preview is designed to understand, plan, debug, and verify long-horizon engineering tasks, with additional gains in front-end visual quality and interaction design.

About

MiMo-V2.6-Flash is an open-source, natively omnimodal AI model from Xiaomi MiMo designed to balance intelligence, efficiency, and cost. The model supports coding, general agent workflows, visual reasoning, computer use, automation, and multimodal creative tasks. Its capabilities extend beyond software engineering into frontend design, presentation creation, 3D modeling, interactive world generation, video production, and embodied simulation. Xiaomi trained MiMo-V2.6-Flash with large-scale reinforcement learning across coding, general agent, visual, and cybersecurity tasks, completing roughly 750,000 training trajectories. The model is positioned as the more cost-efficient member of the MiMo-V2.6 family while retaining strong performance across software engineering, tool use, automation, and visual coding benchmarks. MiMo-V2.6-Flash is available through MiMo Desktop, AI Studio, MiMo Code, the Xiaomi MiMo API Platform, OpenRouter, and the open-source MiMo-V2.6 release.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, researchers, and technical professionals seeking an AI model for coding, document work, game development, scientific reasoning, and complex productivity tasks

Audience

Developers, AI engineers, agent builders, researchers, startups, and technical teams that need a cost-efficient open-source multimodal model for coding, automation, visual tasks, and tool-using workflows

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
$0.14 per 1 million tokens input
$0.28 per 1 million tokens output
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
design 5.0 / 5

Pros & Cons from Real Users

Pros

  • What I like most is how much capability Xiaomi packed into a model this cheap. The 1M-token context window means I can use it for big repos, long documents, agent histories, and mixed-media workflows without constantly worrying about context limits. It is also genuinely useful beyond text. I can feed it images, video, audio, and text in the same workflow, which makes it a strong fit for agents, document processing, visual analysis, and automation.

Cons

  • The main downside is that I would still reach for MiMo-V2.6-Pro when I need maximum reasoning depth or I am working on something especially difficult or high-stakes. Flash feels more like the everyday workhorse.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Tencent
Founded: 1998
China
hy.tencent.ai/research/hy4-preview

Company Information

Xiaomi Technology
Founded: 2010
China
mimo.xiaomi.com

Alternatives

Alternatives

MiMo-V2.6-Pro-UltraSpeed

MiMo-V2.6-Pro-UltraSpeed

Xiaomi Technology
Qwen3.5

Qwen3.5

Alibaba
MiMo-V2.6-Pro

MiMo-V2.6-Pro

Xiaomi Technology

Categories

AI Coding Models Supported
AI Models Supported
Foundation Models Supported

Categories

AI Coding Models Supported
AI Models Supported
AI Vision Models Supported
Foundation Models Supported
Multimodal Models Supported

Integrations

BLACKBOX AI Not Supported
Canopy Wave Not Supported
Cline Not Supported
ClinePass Not Supported
Hermes Agent Not Supported
Hugging Face Not Supported
Kilo Code Not Supported
OpenClaw Not Supported
OpenCode Not Supported
OpenRouter Not Supported
Roo Code Not Supported
Shiori Not Supported
Tencent Hy Supported
Vercel AI Gateway Not Supported
Xiaomi MiMo Not Supported
Xiaomi MiMo Desktop Not Supported
Xiaomi MiMo Studio Not Supported

Integrations

BLACKBOX AI Supported
Canopy Wave Supported
Cline Supported
ClinePass Supported
Hermes Agent Supported
Hugging Face Supported
Kilo Code Supported
OpenClaw Supported
OpenCode Supported
OpenRouter Supported
Roo Code Supported
Shiori Supported
Tencent Hy Not Supported
Vercel AI Gateway Supported
Xiaomi MiMo Supported
Xiaomi MiMo Desktop Supported
Xiaomi MiMo Studio Supported
Claim Hy4 and update features and information
Claim Hy4 and update features and information
Claim MiMo-V2.6-Flash and update features and information
Claim MiMo-V2.6-Flash and update features and information