xAI: Grok 4 Fast (free)

by X Ai

0 stars
Context 2.0M tokens
Modalities Text, Image → Text
Max Output 30,000
Input Price $0.00 / million tokens
Output Price $0.00 / million tokens

Overview

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 on xAI's [news post](http://x.ai/news/grok-4-fast). Reasoning can be...

Key Features

  • Multimodal capabilities (Text, Image → Text)
  • 2.0M tokens context window
  • Up to 30,000 output tokens
  • API access available

Model Information

Developer:

X Ai

Release Date:

September 19, 2025

Context Window:

2.0M tokens

Modalities:

Text, Image → Text

Pricing

Input Tokens $0.00 / million tokens
Output Tokens $0.00 / million tokens
Get API Key

Discussion

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