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Claude Opus 4.1 — Free AI Chat on Rewind.ai
Chat with Claude Opus 4.1 for free — no signup, no credit card. Anthropic's Claude Opus 4.1 runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.
What is Claude Opus 4.1?
Claude Opus 4.1 is an updated version of Anthropic’s flagship model, offering improved performance in coding, reasoning and agentic tasks. It achieves 74.5% on SWE-bench Verified and shows notable gains.
How does Claude Opus 4.1 work?
Type your message in the box above and Claude Opus 4.1 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 4.1 and other models at any time from the picker at the top.
Is Claude Opus 4.1 free?
Claude Opus 4.1 is a premium model: it runs on tokens from a token pack or paid plan (from $5). The free daily tokens (2,500 a day, 5,000 with a free account) cover Rewind's free models, so you can try the site at no cost.