xAI to Retire Older Grok Models, Recommends Migration to Grok 4.3 with Enhanced Capabilities

xAI has announced the retirement of several older Grok models, effective May 15, 2026, mandating that developers migrate their applications to the newly released Grok 4.3 or face service disruption. Grok 4.3 represents a significant leap forward, offering a 1 million token context window, three conf

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