xAI released 3 new Grok 4.20 models on their APIs – grok-4.20-beta-0309-non-reasoning
– grok-4.20-beta-0309-reasoning
– grok-4.20-multi-agent-beta-0309 "Grok 4.20 Beta is our newest flagship model with industry-leading speed and agentic tool calling capabilities. It combines

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