Claude Opus 4.5Anthropic
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WhichModelWhichModel.io
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Related Products
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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.
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About
WhichModel is a next-generation AI benchmarking platform designed to help developers and businesses compare and optimize AI models for their specific tasks. It allows users to benchmark over 50 AI models side by side using real-time testing with custom inputs and parameters. The platform offers prompt optimization tools to identify the best-performing prompts across multiple models. Users can track model and prompt performance continuously to make informed, data-driven decisions. WhichModel supports major AI providers including OpenAI, Anthropic, Google, and popular open-source models. With pay-as-you-go credit packages and 24/7 support, it offers flexible and scalable access to AI benchmarking without subscription commitments.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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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
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Audience
WhichModel is ideal for AI developers, data scientists, and businesses seeking a comprehensive and flexible platform to benchmark, compare, and optimize AI models for their specific use cases
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and VideosNo images available
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Pricing
No information available.
Free Version
Free Trial
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Pricing
$10
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationAnthropic
Founded: 2021
United States
www.anthropic.com/news/claude-opus-4-5
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Company InformationWhichModel.io
Founded: 2025
United States
www.whichmodel.io
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Categories |
Categories |
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Integrations
AiAssistWorks
Amazon Bedrock
C
C#
ClickUp Brain
Cody
Dessix
Emergent
Gemini Enterprise Agent Platform
GitAuto
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Integrations
AiAssistWorks
Amazon Bedrock
C
C#
ClickUp Brain
Cody
Dessix
Emergent
Gemini Enterprise Agent Platform
GitAuto
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