Claude Opus 4.5

Claude Opus 4.5

Anthropic
WhichModel

WhichModel

WhichModel.io
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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

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.

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

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

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

No images available

Pricing

No information available.
Free Version
Free Trial

Pricing

$10
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

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

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

WhichModel.io
Founded: 2025
United States
www.whichmodel.io

Alternatives

Alternatives

Claude Sonnet 4

Claude Sonnet 4

Anthropic
StarCoder

StarCoder

BigCode
Geekflare Chat

Geekflare Chat

Geekflare

Categories

Categories

Integrations

AiAssistWorks
Amazon Bedrock
C
C#
ClickUp Brain
Cody
Dessix
Emergent
Gemini Enterprise Agent Platform
GitAuto
GitHub
GitHub Copilot CLI
IntelliJ IDEA
Rapid Claw
RustRover
SimpleClaw
Skymel
Snowflake
Sup AI
Zo Computer

Integrations

AiAssistWorks
Amazon Bedrock
C
C#
ClickUp Brain
Cody
Dessix
Emergent
Gemini Enterprise Agent Platform
GitAuto
GitHub
GitHub Copilot CLI
IntelliJ IDEA
Rapid Claw
RustRover
SimpleClaw
Skymel
Snowflake
Sup AI
Zo Computer
Claim Claude Opus 4.5 and update features and information
Claim Claude Opus 4.5 and update features and information
Claim WhichModel and update features and information
Claim WhichModel and update features and information