xAI

Grok 4.1

Public pricingLarge memoryVisionTool use

Grok 4.1 is xAI's large-memory model with vision, 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

$0.75/1M tokens

Batch

β€”

Interactive

Calculate your Grok 4.1 bill.

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

What would Grok 4.1 cost you?

Adjust the workload to see your monthly bill.

1,00010,00050,000250,0001M10M

Technical specifications

Grok 4.1 at a glance.

Memory

256,000

tokens

Max reply

8,192

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

tiktoken-o200k

Released

β€”

Training cutoff

β€”

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 4.1

  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.
  • Multimodal pipelines mixing text + images.

When to look elsewhere

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

FAQ

Grok 4.1 β€” the questions we see most.

Pricing, capabilities, alternatives β€” 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 4.1 costs roughly $825 per month. Input is $3.00 /1M tokens and output is $15.00 /1M tokens.
Grok 4.1 has a 256,000-token context window (large memory β€” 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 4.1 supports understanding images, calling functions / tools. It streams replies by default.
Models in a similar class include Grok 4, Gemini 3 Pro, GPT-5. The "Similar models" section below this FAQ links into each.

Still unsure?

Compare Grok 4.1 against 100+ other models.

Open the full wizard β€” pick a use case, set your usage, and see side-by-side monthly costs in under a minute.