Claude Fable 5$22.000/MClaude Opus 5$11.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.6 Sol$12.500/MGPT-5.6 Terra$5.000/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MClaude Fable 5$22.000/MClaude Opus 5$11.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.6 Sol$12.500/MGPT-5.6 Terra$5.000/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/M
xAI
xAI
Frontier

Grok 2

Previous

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.

More from xAI

See all 8

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.

Terms used on this page