[guelo]

Have they ever said what the difference is between Sonnet and Opus? Are they trained differently? Different architectures? Is Sonnet a distillation? Is it just that Sonnet has less resources for inference?

None of the other labs are doing this kind of long lived two model series.

[jsnell]

Gemini has had Pro and Flash since May 2024, across three major version nunmbers. The Opus and Sonnet naming is only two months older than that.