xAI news and Grok updates
Stories about Elon Musk's AI company and its Grok models, newest first. Some of our briefs call it xAI and some call it SpaceXAI, and both names are gathered here.
Musk says AI will beat all fields by 2028 at the latest, answering Chollet's 10-to-20-year forecast
Chollet's 2021 forecast gave science 10 to 20 years to become computational, but Musk says AI beats every field within two.
Grok 4.7, Grok 4.8 and Grok Build: which Grok is out and what each one is for
Grok 4.7 shipped ten days after Musk said it needed a few more days, and the next one has a size but no date.
SpaceXAI says Grok Bot handled a 175% rise in support tickets with no new hires
The company says a resolved ticket costs it 20 to 30 cents, and puts the staff it didn't hire at 200 people.
xAI's own table puts Grok 4.7 ahead of Fable 5.1 on three of seven benchmarks
Input tokens cost $2 a million against Fable 5.1 Max's $10, and output $6 against $50, on a table xAI drew itself.
Musk says AI roughly doubles US growth next year, but the Fed's 2027 median is 2.4%
His guess is about 4%. No participant on the Federal Open Market Committee put next year above 2.9%.
Grok's new speech model cut short-phrase word error rate from 20.6% to 6.8%
SpaceXAI kept batch transcription at $0.10 an hour, and version 1.0 goes away in the coming weeks.
The day after agreeing AI should slow down, Musk said Grok 4.8 finishes training this week
Grok 4.7 still isn't out, Grok 5 is his answer for AGI, and neither OpenAI nor Anthropic lists a size to set 2.5T against.