AI dev workflow
Antigravity vs Claude Code (2026): you can run Opus 4.6 in both (field log)
Every page-one comparison treats this as a choice between two products. Google's own model docs say Antigravity offers Claude Sonnet 4.6 and Opus 4.6, free tier included. That makes it a harness comparison, not a model one, and it changes the answer.
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