xAI is shipping Grok 4.6 and 4.7 back to back in a release cadence no frontier lab has matched

xAI is releasing Grok 4.6 (2 trillion parameters) and 4.7 (4-6 trillion parameters) within weeks of Grok 4.5, backed by a 555,000-GPU Colossus cluster expanding toward 1 million GPUs. The pricing—$2 per million input tokens, 60% below Anthropic and OpenAI—and release cadence create renewal pressure on enterprise API customers locked into costlier competitors.

This Wire brief sits within Fusion42's coverage of AI Frontier Models. Wire is Fusion42's founder-focused intelligence feed: each story is connected to the funds and startups it names — every one with a live profile on Raise or Scout — so founders can follow the capital and the momentum behind the headline rather than just the headline itself. Wire analysis is one of the live surfaces Arthur reasons over.