xAI
xAI
Frontier

Grok 3

Frontier

xAI's flagship Grok. Real-time access to the X firehose makes it strong on current events and live commentary.

Grok 3 is a frontier AI model from xAI. It costs $3.000 per million input tokens and $15.000 per million output tokens (blended $6.600/M), with a 131,000-token context window.

INPUT
$3.000/M
per million input tokens
OUTPUT
$15.000/M
per million output tokens
BLENDED 70/30
$6.600/M
unchanged since 3 May
CONTEXT
131,000
tokens
What it is good at
  • Real-time X data
  • Less filtered tone
  • Strong general reasoning
Typical use cases
  • News & events
  • Social media analysis
  • General chat with personality

Benchmarks

vs. best public score
MMLU86%
Multitask academic knowledge across 57 subjects.
Graduate-level science questions, "Google-proof".
MATH89%
High-school competition math problems.
Python function synthesis from docstrings.
Real GitHub issues solved end-to-end.
LMArena Elo1332 Elo
Crowd-sourced head-to-head preference Elo rating.
Hand-curated from each provider's published reports and public leaderboards. Methodology varies across sources, treat as directional rather than authoritative.

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Frequently asked questions

How much does Grok 3 cost?

Grok 3 costs $3.000 per million input tokens and $15.000 per million output tokens, for a blended reference rate of $6.600 per million tokens.

What is Grok 3's context window?

Grok 3 supports up to 131,000 tokens of context in a single request.

What is Grok 3 best for?

Grok 3 is well suited to Real-time X data, Less filtered tone and Strong general reasoning.

Who makes Grok 3?

Grok 3 is developed and served by xAI.

Compared with

Terms used on this page