Beam 1.0 501B A23B — Free AI Chat on Rewind.ai

Chat with Beam 1.0 501B A23B for free — no signup, no credit card. Reflection's Beam 1.0 501B A23B runs in your browser on Rewind.ai, with pay-as-you-go tokens and full API access.

What is Beam 1.0 501B A23B?

Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a.

How does Beam 1.0 501B A23B work?

Type your message in the box above and Beam 1.0 501B A23B 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 Beam 1.0 501B A23B and other models at any time from the picker at the top.

Is Beam 1.0 501B A23B free?

Beam 1.0 501B A23B 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.