Context Window
XaiGrokfastTool use

Grok 3 Mini

A lightweight model that thinks before responding. Fast, smart, and great for logic-based tasks that do not require deep domain knowledge. The raw thinking traces are accessible.

131K context·~98K words·131K max output
View context detailsCompare with Amazon Titan Text Express
Context window131Ktokens
Max output131Ktokens

Context window

This model accepts 131K tokens in one request (~98K words of text).

Context window size131K tokens
4K32K128K1M10M

What fits in one request

  • Short document
    About 1,500 words of text
    Fits
  • Long document
    About 37K words of text
    Fits
  • Small codebase
    About 150K words of text
    Won't fit
  • Full novel
    About 375K words of text
    Won't fit

Specifications

Context size, pricing, and release info in one place.

Context window
131,072 tokens (131K)
Max output tokens
131,072 tokens (131K)
Speed tier
fast
Provider
Xai
Model family
Grok
Release date
Jun 2025
Input cost
$0.250/M / 1M tokens
Output cost
$1.27/M / 1M tokens

Capabilities

See which features this model supports, such as vision, tools, and streaming.

Supported (5)
Tool use
Supported
Function calling
Supported
Extended thinking
Supported
Streaming
Supported
Prompt caching
Supported
Not supported (3)
Vision
Not supported
Web search
Not supported
Batch API
Not supported

Best for

Jump to a guide or ranking that matches each workload.

ReasoningAI agentsLong documentsRAGChatbots

Compare Grok 3 Mini

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Frequently asked questions

Short answers about context size and how this model behaves.

Grok 3 Mini has a context window of 131K tokens (131,072 tokens). This covers most professional use cases including large code files, lengthy reports, and long conversation histories.

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