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X-AI

Grok 4 Fast

Grok 4 Fast - xAI's high-speed model with 2M token context optimized for quick responses

OpenOpen-weight models with lighter filters. Discuss more, refuse less.
Quick
Intelligence
~0.52 credits
Price per message
1M tokens
Context window
Text, Images
Reads

The facts

Made by
X-AI
Content tier
OpenOpen-weight models with lighter filters. Discuss more, refuse less.
Intelligence
Quick
Price per message
~0.52 credits≈ 192 messages for $1
Context window
1M tokens≈ 1,538 pages of text in one go
Reads
Text, Images
Writes
Text
Tool use
Yes - search, memory, code and more
Served via
OpenRouter, Unbottled AI
Status
Current

A typical message: 16K tokens in, 1.5K out. Short replies cost less. 1 credit = $0.01.

Try Grok 4 Fast now.

No subscription. Free credits to start. The chat opens with Grok 4 Fast selected and a prompt ready - just send.