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Core routes

Keep clicks and crawl depth focused on the few pages that resolve intent fastest.

Already holding a key? Check it first, then keep reading.
Confirm ownership, visible models, and resale signals before deciding whether models, pricing, protocols, or providers matter next.
Model catalog profile

xAI: Grok 4 Fast | pricing profile

Start with xAI: Grok 4 Fast input $0.20, output $0.50, context 2,000,000, and provider xAI, then decide whether this pricing path is worth exploring further.

Provider
xAI
10 models in catalog
Context
2,000,000
global model route
Input
$0.20
USD / 1M tokens
Output
$0.50
USD / 1M tokens

What this page answers

Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model...

  • xAI · x-ai/grok-4-fast
  • text+image+file->text · global model route
  • 2,000,000 context · $0.20 input

Before connecting

Do not stop at the model name. Before integration, verify base URL, protocol, visible models, parameters, and limits together.

  • supports include_reasoning
  • supports logprobs
  • supports max_tokens
  • supports reasoning
  • supports response_format

Next action

After this page, the usual next step is to open the model profile, the provider profile, or run a key check to confirm the real callable range.

  • Check whether the model fits the use case
  • Then verify key permission and callable models