grok-voice-latest routes to grok-voice-think-fast-2.0

What changed

Impact summary

xAI announced that the grok-voice-latest alias would route to grok-voice-think-fast-2.0 starting Aug 5, 2026.

BeforePrevious model behind grok-voice-latest

After / replacementgrok-voice-think-fast-2.0

Affected models and systems

grok-voice-latestgrok-voice-think-fast-2.0

Migration action

Recommended next step: If deterministic model behavior matters, pin a dated or explicit model where supported. Re-run latency, voice quality and turn-taking tests against the new routing target.

Source and interpretation

API platform & regional scope

xAI direct API · Direct developer platform; eligibility and regional restrictions are account-specific.

Not consumer Grok subscriptions.

Bounded manual catalog. Original event checks retained from 2026-09-01; not reverified in this expansion.

Unconfirmed regions are not assumed to be global. Automatic monitoring is OFF. Source checks

Official evidence locators

Existing normalized record: evt_xai_voice_latest_route. Locate listed affected model(s) in the lifecycle/release table; original manual check retained.

Original source date and qualifier retained; exact shutdown time is not inferred.

Affected endpoints: Not separately specified; check model / capability scope

Action / deadline: Review required · No stated deadline

This record is classified as official announcement. The facts above were normalized from the provider's public developer documentation. API Change Watch does not treat an unreviewed page diff as a verified announcement.

Read the official source ↗