xAI
xAI
Frontier

Grok 2

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Previous-generation flagship Grok. Still hosted for legacy integrations; Grok 3 is the recommended target for new work.

Grok 2 is a frontier AI model from xAI. It costs $2.000 per million input tokens and $10.000 per million output tokens (blended $4.400/M), with a 131,000-token context window.

INPUT
$2.000/M
per million input tokens
OUTPUT
$10.000/M
per million output tokens
BLENDED 70/30
$4.400/M
unchanged since 3 May
CONTEXT
131,000
tokens
What it is good at
  • Real-time X data
  • Open-personality tone
Typical use cases
  • Legacy Grok 2 integrations awaiting upgrade

Benchmarks

vs. best public score
MMLU81%
Multitask academic knowledge across 57 subjects.
Graduate-level science questions, "Google-proof".
MATH76%
High-school competition math problems.
Python function synthesis from docstrings.
LMArena Elo1290 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 2 cost?

Grok 2 costs $2.000 per million input tokens and $10.000 per million output tokens, for a blended reference rate of $4.400 per million tokens.

What is Grok 2's context window?

Grok 2 supports up to 131,000 tokens of context in a single request.

What is Grok 2 best for?

Grok 2 is well suited to Real-time X data, Open-personality tone and Legacy Grok 2 integrations awaiting upgrade.

Who makes Grok 2?

Grok 2 is developed and served by xAI. It was released in Aug 2024.

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