Grok's Newest Release Puts OpenAI on Notice — and Reopens the Musk-Altman Feud

xAI shipped its most capable Grok model to date the same week Apple sued OpenAI, and Elon Musk has not missed a beat. Within hours of the Apple filing, he was on X calling Sam Altman a scammer and pitching Grok as the trustworthy alternative. The technical release is real; the theater around it is uniquely Musk.

What the new Grok actually does

The update pushes Grok closer to GPT-5-class performance on reasoning and coding, with tighter integration into X for real-time context. The model is faster, cheaper per token than the previous release, and now supports longer agentic tool chains without losing state. It is not a benchmark leader yet, but the gap to the frontier is the smallest xAI has shown.

The feud, reignited

Musk and Altman have been trading public jabs since 2023, but Apple's lawsuit gave Musk fresh ammunition. He argues the filing validates his long-running claims that OpenAI is not the responsible-AI leader it markets itself as. Altman has stayed mostly quiet publicly, letting OpenAI's press team handle the response.

Why any of this matters to buyers

Founder drama is entertainment; procurement teams still want SLA, price, and quality. Grok's advantage remains raw speed, X-integrated context, and pricing designed to undercut OpenAI. Its disadvantage remains enterprise trust: fewer compliance certifications, less mature admin tooling, and a brand tied tightly to Musk's public statements.

The bottom line

Grok is now a credible third option for teams that were choosing between OpenAI and Anthropic. Whether Musk's public feud helps or hurts that positioning is the question every enterprise buyer will answer differently.