Grok 4.6 Storms the Frontier at 60% Less, Gemini Hits 1B Users, an AI Cancer Vaccine Startup
Today we're covering the biggest AI stories of August 13th, 2026. SpaceXAI launched Grok 4.6, scoring a 61 on Artificial Analysis' Intelligence Index to pass GPT-5.6 Sol and sit behind only Opus 5 and Fable 5, while charging 60% less at $2 and $6 per million tokens, with Elon Musk calling it objectively number one on intelligence, speed, and cost combined, and teasing that Grok 4.7 is three to four weeks out and will exceed all current models. Paul Conyngham launched Gamgee, a Y Combinator backed startup building mRNA cancer shots matched to the mutations in an individual dog's tumor, just…
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