Span-01 Lite — Free AI Chat on Rewind.ai

Chat with Span-01 Lite for free — no signup, no credit card. Respan's Span-01 Lite runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.

What is Span-01 Lite?

Span-01 Lite is the free, lighter tier of Span-01, a behavior scoring model from Respan. It returns, for each plain-language behavior you define, the probability that the behavior is present.

How does Span-01 Lite work?

Type your message in the box above and Span-01 Lite 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 Span-01 Lite and other models at any time from the picker at the top.

Is Span-01 Lite free?

Span-01 Lite is pay-as-you-go on Rewind, but you can start without paying: every visitor gets 2,500 free tokens a day with no sign up, and a free account raises that to 5,000.