SPCX

xAI launches Grok 4.5 claiming coding gains, but its own benchmarks show Fable 5 out front, and its "twice" efficiency claim doesn't match its own chart

xAI has launched Voice Agent Builder in beta, a no-code platform for building voice agents on Grok Voice, claiming top marks on its own benchmark against Gemini and GPT Realtime.

Agents plan, checklist and complete coding jobs unsupervised, with status, pause, resume and clear commands giving developers oversight throughout.

SpaceX raises $75bn ahead of Friday's IPO at $135/share, targeting a $1.8tn valuation — potentially the largest stock listing in history and Elon Musk's path to trillionaire status.