Claude Opus 4.5

Claude Opus 4.5

Anthropic
KAT-Coder-Pro V2

KAT-Coder-Pro V2

StreamLake
+
+

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About

Claude Opus 4.5 is Anthropic’s newest flagship model, delivering major improvements in reasoning, coding, agentic workflows, and real-world problem solving. It outperforms previous models and leading competitors on benchmarks such as SWE-bench, multilingual coding tests, and advanced agent evaluations. Opus 4.5 also introduces stronger safety features, including significantly higher resistance to prompt injection and improved alignment across sensitive tasks. Developers gain new controls through the Claude API—like effort parameters, context compaction, and advanced tool use—allowing for more efficient, longer-running agentic workflows. Product updates across Claude, Claude Code, the Chrome extension, and Excel integrations expand how users interact with the model for software engineering, research, and everyday productivity. Overall, Claude Opus 4.5 marks a substantial step forward in capability, reliability, and usability for developers, enterprises, and end users.

About

KAT-Coder is an agentic AI coding system designed to go beyond traditional autocomplete tools by enabling end-to-end software development workflows driven by reasoning, planning, and execution. It is positioned as a flagship coding model within the KAT ecosystem, built specifically for “agentic coding,” where the model does not just generate snippets but can diagnose issues, propose fixes, run tests, and iterate across multiple files as part of a continuous development loop. It integrates directly with developer environments through API endpoints and proxy layers compatible with tools like Claude Code, allowing seamless use inside existing IDE workflows without changing the interface developers are already familiar with. KAT-Coder is trained using a multi-stage pipeline that includes supervised fine-tuning and large-scale reinforcement learning, enabling it to understand programming context, and reason over complex tasks.

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 4.5 is ideal for developers, enterprises, and professionals seeking a highly capable, aligned, and efficient AI model for coding, research, and complex problem-solving

Audience

Software developers and engineering teams who need an AI agent capable of handling end-to-end coding tasks, from debugging and refactoring to multi-file implementation within real development environments

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

$0.30 per month
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
www.anthropic.com/news/claude-opus-4-5

Company Information

StreamLake
United States
www.streamlake.ai/product/kat-coder

Alternatives

Alternatives

DeepCoder

DeepCoder

Agentica Project
Claude Sonnet 4

Claude Sonnet 4

Anthropic
DeepSWE

DeepSWE

Agentica Project

Categories

Categories

Integrations

Claude
OpenClaw
AgentSea
BLACKBOX AI
Brokk
C#
C++
CSS
Charlie
Claude Code
Dessix
Doraverse
Emergent
Microsoft Foundry
Muse
React
Snowflake Cortex AI
StackAI
Visual Basic
Zo Computer

Integrations

Claude
OpenClaw
AgentSea
BLACKBOX AI
Brokk
C#
C++
CSS
Charlie
Claude Code
Dessix
Doraverse
Emergent
Microsoft Foundry
Muse
React
Snowflake Cortex AI
StackAI
Visual Basic
Zo Computer
Claim Claude Opus 4.5 and update features and information
Claim Claude Opus 4.5 and update features and information
Claim KAT-Coder-Pro V2 and update features and information
Claim KAT-Coder-Pro V2 and update features and information