Index Company
xAI
3 CÈ pieces since 12 July 2026: 1 intel item, 2 essays. Newest first. All companies →
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A voice agent costs eight cents a minute: Grok Think Fast 2.0 turns default today
The speech-to-speech model scores 82.9% on Artificial Analysis' benchmark against GPT-Realtime-2.1 at 79.1%, and cuts time to first audio from 1.25 seconds to 0.70. The grok-voice-latest alias switches to it on 5 August.
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xAI will now run your phone line for five US cents a minute.
xAI’s new no-code builder stands up a production voice agent in under two minutes at five US cents a minute; the move that makes money is deciding which calls it never gets to touch.
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Grok 4.5 cut coding-AI prices by roughly 80 percent. Where to point it first.
xAI, OpenAI, and Meta all cut inference prices in the same week, and the cheapest coding model is now roughly twice as willing to make things up as the one it replaced.