Looks like there are new Grok 4 model versions (0702) – grok-4-0702 and grok-4-code-0702. Rumor that xAI will release two versions. ➝ GROK 4 & GROK 4 code Various reports and rumors of Grok 4 capabilities: • Massive 131,000-token context window • Built-in function calling for real-world tasks • Advanced reasoning with structured, reliable outputs ...

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Link :
https://www.nextbigfuture.com/2025/07/xai-grok-4-should-release-this-weekend.html