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Anthropic · Language Model

Claude Opus 4.5

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use.

200,000 tokens

Overview

Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use.

Claude Opus 4.5 is available in OmnyChat. 200,000 token context window. Image input. Reasoning mode. Tool calling.

Key capabilities

  • 200,000 token context window
  • Image input
  • Reasoning mode
  • Tool calling

Using this model

In OmnyChat

Use Claude Opus 4.5 in OmnyChat and compare its results with other language models on the same task.

Best for: Chat and comparing answers on your own prompts.

Frequently asked questions

How do I use Claude Opus 4.5?

Open chat in OmnyChat and select Claude Opus 4.5. Model access and usage depend on your plan.

What does Claude Opus 4.5 support in OmnyChat?

200,000 token context window. Image input. Reasoning mode. Tool calling.

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