Not established from the available sources.
XAI · MODEL RELEASE TRACKER
Grok 4.6
Grok 4.6 is xAI's latest flagship model (announced 2026-09-16). It is presented as built for long-running agents and ambitious interactive and visual work, offers a 500k context window, and provides configurable reasoning effort levels (low, medium, high, xhigh). The model is available via Amazon Bedrock, Microsoft Foundry, and the Gemini Enterprise Agent Platform / Model Garden.CURRENT SNAPSHOT2/5 DIMENSIONS WITH DATA
The dimensions that change the decision.
Context windowOffers a 500k context window.
Not established from the available sources.
Not established from the available sources.
Platform availabilityAvailable via Amazon Bedrock, Microsoft Foundry, and the Gemini Enterprise Agent Platform / Model Garden; noted as available to developers in supported AWS Regions and in Model Garden.
VERIFIABLE FACTS
Every value stays attached to a source and date.
RELEASE · Release / general availabilityDEVELOPER CLAIM
Announced 2026-09-16 and stated as now available (generally available) on multiple service platforms.
CAPABILITIES · Intended usesDEVELOPER CLAIM
Built for long-running agents and ambitious interactive and visual work.
CONTEXT WINDOW · Context windowDEVELOPER CLAIM
Offers a 500k context window.
CAPABILITIES · Configurable reasoning effortsDEVELOPER CLAIM
Provides configurable reasoning effort settings: low, medium, high, xhigh.
AVAILABILITY · Platform availabilityDEVELOPER CLAIM
Available via Amazon Bedrock, Microsoft Foundry, and the Gemini Enterprise Agent Platform / Model Garden; noted as available to developers in supported AWS Regions and in Model Garden.
WHAT CHANGED