Hy3

Hy3

Tencent
+
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About

Claude Mythos 5.1 is Anthropic’s newest Mythos-class model, designed for advanced cybersecurity, biology, scientific research, coding, and long-running knowledge work. It is the same underlying model as Claude Fable 5.1 but uses different safeguards: Fable 5.1 is generally available, while Mythos 5.1 is restricted to trusted access programs with safeguards specifically designed for cybersecurity and life sciences research. The model sets a new performance frontier for agentic coding and demonstrates the strongest cyber capabilities of any Anthropic model released to date. In scientific research, Mythos 5.1 can work with specialized tools and complex workflows across molecular design, computational biology, and other technical domains. In Anthropic’s experiments, it designed high-affinity protein binders across multiple targets and achieved its strongest measured hit rate to date. It also optimized seven open-source protein and genomics deep learning models.

About

Hy3 preview is Tencent Hy’s most intelligent model in the Hy series to date, built as a 295B-parameter Mixture-of-Experts model with 21B activated parameters, 3.8B MTP layer parameters, and support for up to a 256K token context window. As the first model trained on Tencent Hy’s rebuilt infrastructure, Hy3 preview is designed to improve real-world usability across complex reasoning, instruction following, context learning, coding, agent capabilities, and overall inference performance. It integrates both fast and slow thinking capabilities, allowing direct responses for simpler tasks and deeper reasoning for complex math, coding, and reasoning work. The model is built around well-rounded capabilities across long-context understanding, instruction following, tool use, and agent workflows, with evaluation focused not only on standard benchmarks but also on authentic business and development scenarios.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Cybersecurity, life sciences, and research organizations needing frontier AI capabilities for advanced coding, scientific discovery, biological research, and long-running technical work

Audience

Agent-framework developers who need a large reasoning model for coding, tool use, long-context tasks, and real-world agent workflows

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

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

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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:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Anthropic
Founded: 2021
United States
claude.ai

Company Information

Tencent
Founded: 1998
China
hy.tencent.com/research/hy3-preview

Alternatives

Alternatives

Claude Fable 5

Claude Fable 5

Anthropic
GPT-5.6 Sol

GPT-5.6 Sol

OpenAI
Claude Sonnet 5

Claude Sonnet 5

Anthropic
Grok 4.6

Grok 4.6

SpaceXAI
Claude Mythos 5

Claude Mythos 5

Anthropic
Claude Fable 5

Claude Fable 5

Anthropic
Inkling

Inkling

Thinking Machines Lab

Categories

Categories

Integrations

Bind AI
Brokk
Cheaper Inference
Emergent
Gemini Enterprise Agent Platform
Google Antigravity
JavaScript
Model Context Protocol (MCP)
OpenClaw
Perplexity Pro
PrivatClaw
Revise
Ruby
RustRover
Snowflake Cortex AI
TypeScript
Verdent
WebStorm
Xcode
Yonoo

Integrations

Bind AI
Brokk
Cheaper Inference
Emergent
Gemini Enterprise Agent Platform
Google Antigravity
JavaScript
Model Context Protocol (MCP)
OpenClaw
Perplexity Pro
PrivatClaw
Revise
Ruby
RustRover
Snowflake Cortex AI
TypeScript
Verdent
WebStorm
Xcode
Yonoo
Claim Claude Mythos 5.1 and update features and information
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