Meterary
Start free

xAI

Grok Speech to Text API Pricing

Priced per hour of audio: $0.10/hr (REST), $0.20/hr (Streaming).

Verified against xAI’s pricing page on 2026-07-02.

View source ↗

Facts

Specs

  • FamilyGrok Voice
  • API ID—
  • ModalityAudio
  • Context window—
  • Max output—
  • Release dateNot published

Pricing (per 1M tokens)

  • Input—
  • Output—
  • Cached input—
  • Cache write—
  • Batch discount—

Capabilities

speech-to-text

Notes

Priced per hour of audio: $0.10/hr (REST), $0.20/hr (Streaming).

Worked cost examples

Not priced per token

Grok Speech to Textis billed per unit (image, second, or similar), not per token — the standard chatbot/RAG/batch workloads don’t apply. See the notes in the facts panel above for its per-unit rate.

Price history

Changes we have documented since we began tracking

No price changes recorded since we began tracking.

Grok Speech to Text pricing FAQ

How is Grok Speech to Text priced?
Grok Speech to Text is billed per unit rather than per token. Priced per hour of audio: $0.10/hr (REST), $0.20/hr (Streaming).
Does Grok Speech to Text have cache pricing?
No cache discount is documented for Grok Speech to Text on the provider's pricing page.

Keep exploring

Estimate my usage