SpaceX (SPCX) Stock Surges 10% Then Slips as Grok 4.6 Takes Aim at OpenAI

NewsThu, 13 Aug 2026 12:46:32 UTC2 hours ago
SpaceX (SPCX) Stock Surges 10% Then Slips as Grok 4.6 Takes Aim at OpenAI

TLDR

  • SpaceX stock surged nearly 10% after CEO Elon Musk told employees the company “must win in AI”
  • SpaceX launched Grok 4.6, positioning it as a cheaper rival to ChatGPT and Claude
  • Grok 4.6 is priced at $2 per million input tokens and $6 per million output, undercutting rivals
  • AI measurement firm Artificial Analysis said Grok is now at the “intelligence frontier alongside OpenAI”
  • Stock pulled back 0.3% to $145.65 in Thursday premarket, still above its $135 IPO price

SpaceX (SPCX) stock was down 0.3% to $145.65 in Thursday’s premarket, cooling off after a near 10% jump the previous session.



Space Exploration Technologies Corp., SPCX

The rally came after CEO Elon Musk told employees in an all-hands meeting: “We must win in AI because the future is overwhelmingly AI and robots.”

SpaceX followed those words with action, launching Grok 4.6 on Wednesday. The new model is billed as a “frontier intelligence” upgrade on Grok 4.5, delivered at the same price point.

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