https://chat.lmsys.org/ Select direct chat at the top, then select opus from the drop down.

AWS responding after almost a month of ignoring me with the below. They still have not given me access. I ended up using the API directly from Anthropic and am glad I did __________________________________________________________________________ Due to high demand for Opus, we are providing priority access to enterprise customers. We are working diligently to adjust to heightened customer demand and will relax these criteria as soon as we are able . Also, we regret to inform you that, at this time, we don't have any estimated time of arrival (ETA) and service team is actively working on this request and as soon as its available they will provide access to all customers. We apologize for any inconvenience this may cause and appreciate your understanding and co-operation.