Grok 4.3 Beta: Developer Guide to xAI's Video, Documents & Voice APIs (2026)

xAI released Grok 4.3 Beta on April 17, 2026, adding three major capabilities: native document generation (PDFs, spreadsheets, slide decks), conversational video understanding, and standalone Speech-to-Text and Text-to-Speech APIs priced significantly below every comparable service on the market.

Continue reading the full article on WowHow →

Originally published at https://wowhow.cloud/blogs/grok-4-3-beta-developer-guide-video-docs-voice-api-2026

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