Claude Opus 5 — Free AI Chat on Rewind.ai

Chat with Claude Opus 5 for free — no signup, no credit card. Anthropic's Claude Opus 5 runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.

What is Claude Opus 5?

Claude Opus 5 is Anthropic’s flagship model for demanding reasoning, coding, and long-horizon agentic work. It is particularly strong at end-to-end software tasks, code review and bug finding, visual analysis.

How does Claude Opus 5 work?

Type your message in the box above and Claude Opus 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 5 and other models at any time from the picker at the top.

Is Claude Opus 5 free?

Claude Opus 5 is pay-as-you-go at $5.00/M input tokens, but you can use it without paying: every visitor gets 2,500 free tokens a day with no sign up, and a free account raises that to 5,000.