Mitchell Hashimoto(@mitchellh):I haven’t successfully found a use case for Sol Ultra yet. I’ve run two days of side by side xhigh and ultra runs for planning and impl and I haven’t noticed any tangible quality change. I can see the difference in execution and token usage. Maybe I’m holding it wrong, but how?

Mitchell Hashimoto

@mitchellh

Co-founder of @Superlogical. Creator of Ghostty. 👻 Prev founded @HashiCorp, created Vagrant, Terraform, Vault, and others.

가입 January 2008

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Mitchell Hashimoto@mitchellh

2026.07.10 18:14

I haven’t successfully found a use case for Sol Ultra yet. I’ve run two days of side by side xhigh and ultra runs for planning and impl and I haven’t noticed any tangible quality change. I can see the difference in execution and token usage. Maybe I’m holding it wrong, but how?