Hy4Tencent
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| Claude Fable 5.2 | Hy4 | |||||
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Related Products
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Claude Fable 5.2:
About
Claude Fable 5.2 is an advanced AI reasoning model developed by Anthropic for complex software engineering, scientific research, technical problem-solving, and autonomous agent workflows. The model provides improvements in coding, mathematical reasoning, visual understanding, and long-running task execution compared with previous Claude Fable models. Its agentic capabilities allow AI systems to analyze large codebases, coordinate multiple subagents, develop software, investigate technical problems, and automate complex business processes. Claude Fable 5.2 generates outputs up to 30% faster than Fable 5.1 and offers an optional fast mode that increases generation speed by up to 2.5 times. The model includes configurable reasoning effort, advanced tool use, and specialized cybersecurity and biology safeguards designed to reduce misuse while supporting general technical work.
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Hy4:
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.
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Claude Fable 5.2:
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
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Hy4:
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
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Claude Fable 5.2:
Audience
Software engineers, AI developers, machine learning researchers, autonomous agent developers, scientific researchers, mathematicians, data scientists, robotics engineers, hardware designers, DevOps professionals, enterprise technology teams, and organizations seeking frontier AI reasoning, autonomous software engineering, complex research automation, advanced coding, technical analysis, and multi-agent workflow orchestration
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Hy4:
Audience
Developers, researchers, and technical professionals seeking an AI model for coding, document work, game development, scientific reasoning, and complex productivity tasks
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Claude Fable 5.2:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Hy4:
Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Claude Fable 5.2:
API
Offers API
Supported
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Hy4:
API
Offers API
Supported
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Claude Fable 5.2:
Screenshots and Videos |
Hy4:
Screenshots and Videos |
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Claude Fable 5.2:
Pricing
$8 per 1M tokens (input)
$8 per million input tokens and $40 per million output tokens
Free Version
Not Supported
Free Trial
Not Supported
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Hy4:
Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Claude Fable 5.2:
Reviews/
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Hy4:
Reviews/
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Claude Fable 5.2:
Pros & Cons from Real UsersPros
Cons
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Claude Fable 5.2:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Hy4:
Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Claude Fable 5.2:
Company InformationAnthropic
Founded: 2021
United States
claude.ai
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Hy4:
Company InformationTencent
Founded: 1998
China
hy.tencent.ai/research/hy4-preview
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Claude Fable 5.2:
Alternatives |
Hy4:
Alternatives |
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Claude Fable 5.2:
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Hy4:
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Claude Fable 5.2:
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Hy4:
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Claude Fable 5.2:
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Hy4:
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Claude Fable 5.2:
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Hy4:
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Claude Fable 5.2:
Categories |
Hy4:
Categories |
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Claude Fable 5.2:
Integrations
Anything
Supported
CLion
Supported
Cheaper Inference
Supported
Claude Agent SDK
Supported
Claude Cowork
Supported
Claude Desktop
Supported
Claude Science
Supported
Claude Slides
Supported
Dessix
Supported
Elixir
Supported
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Hy4:
Integrations
Anything
Not Supported
CLion
Not Supported
Cheaper Inference
Not Supported
Claude Agent SDK
Not Supported
Claude Cowork
Not Supported
Claude Desktop
Not Supported
Claude Science
Not Supported
Claude Slides
Not Supported
Dessix
Not Supported
Elixir
Not Supported
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Claude Fable 5.2:
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Hy4:
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