What is Claude Opus 4.5?

Anthropic's most intelligent model (Nov 2025).

How much does Claude Opus 4.5 cost?

Claude Opus 4.5 uses Paid pricing.

See alternatives at aidevstart.com/tool/claude-opus-4-5/alternatives.

PricingPaid

Platforms

Claude.aiAnthropic APIAmazon Bedrock

Versions

Claude 4.5 OpusClaude 4.5 Sonnet

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