xAI

(San Francisco, CA / Memphis, TN)

Elon Musk's lab powered by the Memphis Colossus supercluster, creators of Grok 4.7 flagship for coding and knowledge work with 500K context.

4 MODELS TRACKEDNEWEST: GROK VOICE 3.0 · 1W AGO

What is the latest AI model from xAI?

xAI's primary flagship model is Grok 4.7 (Undisclosed (xAI, larger base than 4.6), 500,000 tokens context). Released Sept 21, 2026; xAI's flagship for coding and knowledge work on a larger base with longer RL, matching Grok 4.6 price/speed ($2/$6) with 46.3% CursorBench 4.0 and 71.0% DeepSWE v1.1. Their latest release is Grok Voice 3.0 (Speech-to-Speech, released 2026-10-14). How we define “latest”

Release Timeline

NEWEST FIRST

October 2026[1 release]

Grok Voice 3.0

NEW DROPOct 14, 2026

Released Oct 14, 2026; xAI's speech-to-speech 3.0 ranked #1 on Artificial Analysis Speech-to-Speech Index (86.9) with sub-second latency, at $0.08/min ($4.80/hr) - same price as Voice 2.0, now default via grok-voice-latest.

Speech-to-SpeechOPEN DATASHEET

September 2026[2 releases]

Grok 4.7

XAI FLAGSHIP• FlagshipSep 21, 2026

Released Sept 21, 2026; xAI's flagship for coding and knowledge work on a larger base with longer RL, matching Grok 4.6 price/speed ($2/$6) with 46.3% CursorBench 4.0 and 71.0% DeepSWE v1.1.

Frontier Coding & KnowledgeOPEN DATASHEET

Grok Voice Transcribe 2.0

NEW DROPSep 18, 2026

Released Sept 18, 2026; xAI's speech-to-text 2.0 ranked first for accuracy among 32 streaming models on Artificial Analysis, at $0.10/hr batch and $0.20/hr streaming.

Speech-to-TextOPEN DATASHEET

August 2026[1 release]

Grok 4.6

1.5T SUPERCOMPUTEAug 12, 2026

Released August 12, 2026; xAI's smartest model with frontier performance in coding and autonomous agents, integrated natively into Cursor and Grok Build.

Frontier Coding & STEMOPEN DATASHEET