Claude Opus 4.8

Claude Opus 4.8

Anthropic
Hy3

Hy3

Tencent
+
+

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About

Claude Opus 4.8 is a powerful AI model from Anthropic designed to deliver stronger coding, reasoning, agentic workflows, and advanced collaboration capabilities for developers, enterprises, and AI-powered productivity tasks. The model builds on Claude Opus 4.7 with improvements across coding benchmarks, practical knowledge work, alignment, and reliability while maintaining the same pricing structure. Claude Opus 4.8 introduces enhanced honesty and reasoning behavior, making it less likely to generate unsupported claims or overlook flaws during complex tasks such as software development and agent execution. The release also includes new features such as effort control settings, fast mode for lower-cost high-speed processing, and dynamic workflows in Claude Code that allow the system to coordinate hundreds of parallel subagents for large-scale tasks.

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

Claude Opus 4.8 is designed for developers, enterprises, software engineers, AI researchers, technical teams, and organizations seeking advanced AI-powered coding, reasoning, autonomous workflows, and large-scale intelligent automation capabilities

Audience

AI labs and 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

$5 per 1M (input)
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

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

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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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

Big Pickle

Big Pickle

OpenCode Zen

Alternatives

Big Pickle

Big Pickle

OpenCode Zen
Claude Fable 5

Claude Fable 5

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Claude Fable 5

Claude Fable 5

Anthropic
Claude Mythos 5

Claude Mythos 5

Anthropic
Claude Opus 4.8

Claude Opus 4.8

Anthropic
Claude Opus 4.5

Claude Opus 4.5

Anthropic

Categories

Categories

Integrations

AiAssistWorks
Anything
Charlie
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Gemini Enterprise Agent Platform
Go
JetBrains Junie
Julia
Microsoft Foundry
Orchids
PrivatClaw
Ruby
Rust
RustRover
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Visual Basic

Integrations

AiAssistWorks
Anything
Charlie
Dessix
Gemini Enterprise Agent Platform
Go
JetBrains Junie
Julia
Microsoft Foundry
Orchids
PrivatClaw
Ruby
Rust
RustRover
Shiori
Shipper.now
Sup AI
Thread Deck
TypeScript
Visual Basic
Claim Claude Opus 4.8 and update features and information
Claim Claude Opus 4.8 and update features and information
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Claim Hy3 and update features and information