Jozef Soja(@JozefARK):Last week, @OpenAI launched GPT 5.6 and @SpaceXAI launched Grok 4.5. Both models are meaningfully more performant than the previous generations, but the real headline is how efficient they are, especially as companies begin to evaluate how much they spend on AI.

Jozef Soja

@JozefARK

Research Analyst @ARKInvest focusing on AI, cloud computing, and SaaS. Disclosure:

Joined February 2023

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Jozef Soja@JozefARK

2026.07.13 20:59

Last week, @OpenAI launched GPT 5.6 and @SpaceXAI launched Grok 4.5. Both models are meaningfully more performant than the previous generations, but the real headline is how efficient they are, especially as companies begin to evaluate how much they spend on AI.