none · high · default high
Only provider-documented reasoning controls are shown; missing controls remain unpublished rather than inferred.
MODEL REFERENCE / XAI
Grok Voice Think Fast 2.0
verified model reference.
xAI speech-to-speech voice model with integrated reasoning and tool-use support for realtime conversational agents.
Not publishedcontext not published
Not publishedmax output
2026-10-07last verified
PRIMARY-SOURCE VERIFIED
Grok Voice Think Fast 2.0 at a glance.
xAI does not publish a token context window for this service. Input modalities: audio. Output: audio. Pricing status: Official paid API.
MODEL IDgrok-voice-think-fast-2.0
CONTEXT WINDOWNot published
MAX OUTPUTNot published
KNOWLEDGE CUTOFFNot published
STANDARD RATE$0.08per minute
OUTPUT RATE—official-paid
CAPABILITY CONTRACT
Published model behavior.
audio
Input modalities come from the cited official model documentation.
audio
Output modality and output-limit claims remain separate so an undocumented token cap is not guessed.
PRICING STATUS
Official paid API.
$0.08 per minute.
SXF preserves the provider-published native billing basis. Only calculator-eligible generative token models enter token-cost arithmetic; specialist units and input-only embeddings remain visible without forced conversion.
CAVEATS
What the source record does not assume.
01
The versioned model is billed at $0.08 per minute of audio and is excluded from the token calculator.
02
grok-voice-latest currently points to this version, while the pinned ID is used canonically for stability.
EXPLORE
Keep the model in context.
OFFICIAL SOURCES
Verification links.
WHAT CHANGED
Grok Voice Think Fast 2.0: what changed.
No post-baseline factual changes recorded for Grok Voice Think Fast 2.0 since 2026-10-07.
VERIFIED BASELINE2026-10-07Current facts remain aligned with the SXF ledger.
VERIFIED CHANGE HISTORY
Grok Voice Think Fast 2.0 verified history.
Grok Voice Think Fast 2.0
Baseline verified: context not published · Not published max output · $0.08 per minute
Official evidence ↗Append-only SXF ledger · 1 verified event · chain head 8e73a9cb15ea…