What kind of challenges are you giving arena.ai? When I tried Grok (latest at the time available in Cursor) vs Opus 4.5, Grok was much faster to respond, and hillariously terrible at wrting functional code - but confident in its responses.
I tried your link, got a Grok 4.2 v Grok 4.3 pairing, they did O.K. 4.2 better than 4.3 at making a webserver that queries and re-serves NEXRAD data, but… they didn’t get too far down the feature list (history of rainfall graphs) before they fell apart.
What kind of challenges are you giving arena.ai? When I tried Grok (latest at the time available in Cursor) vs Opus 4.5, Grok was much faster to respond, and hillariously terrible at wrting functional code - but confident in its responses.
Usual everyday tasks. For coding it is: Claude>Chatgpt>Chinese open source>Gemini>Grok>Everything else.
I tried your link, got a Grok 4.2 v Grok 4.3 pairing, they did O.K. 4.2 better than 4.3 at making a webserver that queries and re-serves NEXRAD data, but… they didn’t get too far down the feature list (history of rainfall graphs) before they fell apart.