When I compared OpenCode and Claude Code head to head a couple of months ago, Claude Code worked much better for me. I don't know if they closed the gap in the meantime, but for sure Claude Code has improved since then.
Here adoption is a combination on the tool and the model.
If people can’t pay the model to use the tool, they might not use the tool even if it’s better.
That’s what anthropic is doing.
It might be faster, but it’s more expensive.
The only way remains to try and lock consumers into your ecosystem.