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Claude Opus 4.5 — Free AI Chat on Rewind.ai

Chat with Claude Opus 4.5 for free — no signup, no credit card. Anthropic's Claude Opus 4.5 runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.

What is 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.

How does Claude Opus 4.5 work?

Type your message in the box above and Claude Opus 4.5 replies instantly — no setup required. Your chat history is saved locally in your browser; sign up free to sync it across devices and get an extra 10,000 tokens. You can switch between Claude Opus 4.5 and other models at any time from the picker at the top.

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