xAI · 12 Aug 2026

Grok 4.6

xAI’s latest Grok model release, announced by SpaceXAI on X as the successor to Grok 4.5.

ImpactNeeds review

Potentially important, but source strength or availability still needs editorial confirmation.

ContextunknownAccessAPIWeightsclosedPriceunknownCheckreview

Availability

StatusNeeds checkChannelAPIWeightsClosedPricingUnclearDocsPending

Change Lens

What actually changed.

Normalized from the release note so different labs can be compared by the same fields, not just by launch copy.

Compared withGrok 4.5

Successor model announced; exact capability deltas are not yet published in an indexed model card.

CapabilitySuccessor model announced; exact capability deltas are not yet published in an indexed model card.changed

AvailabilityRelease announced by SpaceXAI on X; exact product and API availability should be verified against xAI docs.new

PricingNo pricing change found in the indexed note.unknown

ContextNo context-window change found in the indexed note.unknown

EvidenceSpaceXAI announcement on Xnew

ConfidenceNeeds review

Evidence is first-party; comparison labels are normalized by Radar.

Source receipts

The Radar keeps claims traceable: first-party sources, normalized fields, unknowns and the latest verification marker used for this page.

Announcement12 Aug 2026

AvailabilityRelease announced by SpaceXAI on X; exact product and API availability should be verified against xAI docs.

PricingNo pricing change found in the indexed note.

ContextNo context-window change found in the indexed note.

ConfidenceNeeds review

Last checked12 Aug 2026

Needs review

Pricing, Context are not clearly specified in the indexed source note.

Why it matters

Keeps xAI’s rapid frontier-model cadence visible while full model-card, benchmark and pricing details remain to be verified.

Capabilities

GeneralCoding

Source

This brief links back to the first-party announcement or documentation used by the radar.