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Chat model

Grok-4.1 Fast Reasoning

xAI

Grok-4.1 Fast Reasoning — fast 4.1 reasoning. It can: thinking, fast, images, long context, tools, web search, documents.

Previous version. The newest in this family is Grok 4.7. Go to the newest →
ProviderxAI
Input, per 1M tokens$0.20
Output, per 1M tokens$0.50
Typical message≈ 1 ⚡ per message$0.03
Price classbudget
Release date2025-11-19

Capabilities

  • Can think before answering hard questions.
  • A fast tier: quicker answers and usually cheaper.
  • Understands the pictures and photos you attach.
  • Holds a long context: big texts and long dialogues.
  • Can use chat tools (search, documents, images).
  • Searches the web and reads pages.
  • Reads attached documents.
  • Thinking levels: none, low, medium, high.

What it is good for

  • Good for: research and search, mailings and business writing, work with images, everyday chat, writing.

How to pick it in the Studio

  1. Open the chat

    Go to gibrid.ai/chat.

  2. Open the model list

    Click the current model name in the input field (Auto by default).

  3. Find "Grok-4.1 Fast Reasoning"

    Pick the model in the list. Then write as usual.

  4. Check the price

    A message price depends on the dialogue length; a rough estimate is on this page.

Related models and tiers

FAQ

How much does a message in Grok-4.1 Fast Reasoning cost?

≈ 1 ⚡ per message (≈ $0.03). Token prices come from the gateway price list; ⚡ per message is an estimate on October 16, 2026 for a typical exchange (about 3000 prompt and 600 reply tokens, Free plan). The real charge depends on the dialogue length. In the main assistant chat the “≈ N G” chip next to the send button is more accurate: it includes the history and tools, so the amount there is higher.

How do I pick Grok-4.1 Fast Reasoning in the Studio?

1. Open the chat: Go to gibrid.ai/chat. 2. Open the model list: Click the current model name in the input field (Auto by default). 3. Find "Grok-4.1 Fast Reasoning": Pick the model in the list. Then write as usual. 4. Check the price: A message price depends on the dialogue length; a rough estimate is on this page.