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Anthropic: Claude Opus 4.5

Anthropic: Claude Opus 4.5 is a text model from Anthropic, with a 200K-token context window, priced at $5.00 in · $25.00 out / 1M. On Fully Informed you can add Anthropic: Claude Opus 4.5 to a multi-model panel, where it answers independently, debates the other models and gets cross-checked for blind spots.

Vendor AnthropicType Text200K contextPrice $5.00 in · $25.00 out / 1M
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Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
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FAQ
What is Anthropic: 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. It offers strong multimodal capabilities, competitive performance across real-world coding and...
What is the context window of Anthropic: Claude Opus 4.5?
Anthropic: Claude Opus 4.5 supports a 200K-token context window.
How much does Anthropic: Claude Opus 4.5 cost?
Anthropic: Claude Opus 4.5 is priced at $5.00 in · $25.00 out / 1M via OpenRouter.
What are alternatives to Anthropic: Claude Opus 4.5?
Comparable text models include Anthropic: Claude 3 Haiku, Anthropic: Claude Fable 5, Anthropic: Claude Fable Latest, Anthropic Claude Haiku Latest.
Model data via OpenRouter. Browse all models · Run a panel on Fully Informed