xAI: Grok 4

Public pricingIntelligence 84/100Large memoryVisionDeep thinkingTool use

xAI: Grok 4 is a multimodal model for reasoning, planning, and automation. It combines multimodal input handling and reliable tool use and agent behavior with a 256K tokens context window and a premium profile. Use it for reasoning, planning, and multi-step automation when quality, speed, and cost matters.

Input

$3.00/1M

Output

$15.00/1M

Cached

$0.75/1M

Batch

$1.50/1M

Calculate your Grok 4 bill.

Set your workload — see cost at your exact volume.

What would Grok 4 cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

Grok 4 at a glance.

Memory

256,000

tokens

Max reply

65,536

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

grok

Released

Jul 2025

Training cutoff

Nov 2024

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • mmlu_pro

    86.6

  • gpqa_diamond

    88

  • swe_bench_verified

    72

  • aime_2024

    94

  • aa_intelligence_index

    42

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 4

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

Grok 4 — 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 4 costs roughly $825 per month. Input is $3.00 /1M tokens and output is $15.00 /1M tokens.
Grok 4 has a 256,000-token context window (large memory — an entire book or large codebase). That means you can fit about 48,000 words of input and history in a single call.
Beyond text generation, Grok 4 supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
Grok 4 was released in July 2025, with training data cut off around November 2024.
Models in a similar class include Grok 4.20, Grok 4.20 Multi-Agent, Grok 4 Fast. The "Similar models" section below this FAQ links into each.

Still unsure?

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