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Claude Opus 4.5

Premium model combining maximum intelligence with practical performance.

  • Image input
  • Reasoning
  • Coding
  • Extended thinking
  • Streaming
Chat with Claude Opus 4.5All models

Specifications

ProviderAnthropic
API model IDclaude-opus-4-5
ReleasedNovember 2025
Context window200,000 tokens
Max output32,000 tokens
Reasoning modelYes
Price per 1M tokens (input / output)See provider

Specs as published by Anthropic. Prices are standard list prices before caching or batch discounts.

More Anthropic models

FAQ

What is the context window of Claude Opus 4.5?
Claude Opus 4.5 accepts up to 200,000 tokens of context and can return up to 32,000 output tokens per reply.
When was Claude Opus 4.5 released?
Anthropic released Claude Opus 4.5 in November 2025.
How do I use Claude Opus 4.5?
Add your Anthropic API key in DapperGPT, pick Claude Opus 4.5 in the model picker, and start chatting. You pay Anthropic directly for usage.