xAI

Grok 3

Public pricingMedium memoryTool use

Grok 3 is xAI's medium-memory model with tool use. This page shows current pricing, an interactive cost calculator, and a side-by-side with similar models.

Input

$3.00/1M tokens

Output

$15.00/1M tokens

Cached

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Batch

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Interactive

Calculate your Grok 3 bill.

Adjust the workload below and watch the monthly cost update in real time.

What would Grok 3 cost you?

Adjust the workload to see your monthly bill.

1,00010,00050,000250,0001M10M

Technical specifications

Grok 3 at a glance.

Memory

131,072

tokens

Max reply

8,192

tokens

Memory tier

Medium

a long report or a codebase file

Tokenizer

tiktoken-o200k

Released

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Training cutoff

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Availability

Public pricing

Status

active

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick Grok 3

  • Agentic workflows that call tools or APIs.

When to look elsewhere

  • Your workload involves images — pick a vision-capable model instead.

Alternatives

Similar models to compare.

FAQ

Grok 3 — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, Grok 3 costs roughly $825 per month. Input is $3.00 /1M tokens and output is $15.00 /1M tokens.
Grok 3 has a 131,072-token context window (medium memory — a long report or a codebase file). That means you can fit about 24,576 words of input and history in a single call.
Beyond text generation, Grok 3 supports calling functions / tools. It streams replies by default.
Models in a similar class include Grok 4.1, Grok 4, LLaMA 3.1 405B. The "Similar models" section below this FAQ links into each.

Still unsure?

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