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Grok
Model family

Grok

xAI’s flagship model for advanced reasoning, coding, and agentic tasks.

Audio models (1)

xAI STT v1

xai/stt-v1

Atlas Cloud$0.0020 /gen

Chat / LLM models (4)

Grok 4.6

xai/grok-4.6

Atlas Cloud$2.00/$6.00 /1M tok
OpenRouter$2.00/$6.00 /1M tok
Grok 4.5

xai/grok-4.5

Atlas Cloud$2.00/$6.00 /1M tok
OpenRouter$2.00/$6.00 /1M tok
Grok 4.3

xai/grok-4.3

Atlas Cloud$1.25/$2.50

Questions

How many Grok models are there?
5 on ElliSekiz, covering 1 audio, 4 chat / llm. Each variant has its own page with a playground and API snippet.
Which Grok model is cheapest?
xAI STT v1 at $0.002 per generation — what ElliSekiz bills once a request is routed to the cheapest provider carrying it. Each provider's own rate, in the unit that provider bills in, is listed beside every variant above. Billing is 1:1 with the provider, no markup and no subscription.
How do I call Grok from code?
POST to https://ellisekiz.ai/api/v1/generations with the model id and your prompt, using an ElliSekiz API token. One endpoint covers every provider and every variant in this family.
Browse Grok in the catalogCompare providers
/1M tok
OpenRouter$1.25/$2.50 /1M tok
Grok Build 0.1

xai/grok-build-0.1

Atlas Cloud$1.00/$2.00 /1M tok
OpenRouter$1.00/$2.00 /1M tok