Grok 4.20 Just Dropped (Is This Better Than Claude?)
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xAI just dropped Grok 4.20 Beta and I put it through its paces inside OpenCode — here's whether it can actually compete with Claude Opus, Google Antigravity, and Codex.
Grok 4.20 comes in at $2/M input and $6/M output, with web search at $5 per 5K queries — undercutting Google grounding significant…