Grok 5 Preview Benchmarks, Pricing & Rankings

xAI · 2026-09-08 · Closed · Preview

Snapshot 2026-10-14 · updated weekly

Grok 5 Preview ranks #11 of 42 on the AMR leaderboard.

Grok 5 Preview benchmark scores

GPQA Diamond91.2%
MMLU-Pro87.9%
SWE-Bench Verified70.8%
AIME 202590.1%
LiveCodeBench v678.4%
Arena Elo1455

Grok 5 Preview price, speed & context

Input price

$3

per 1M tokens

Output price

$15

per 1M tokens

Speed

120

tok/s

Context

1M

tokens

About Grok 5 Preview

Grok 5 Preview is xAI’s unreleased flagship already posting top-5-tier benchmarks; it is tracked here in preview status pending the public API launch.

Models around Grok 5 Preview in the rankings

More xAI models

Grok 5 Preview FAQ

Where does Grok 5 Preview rank?

Grok 5 Preview ranks #11 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 90.8. Its strongest dimension is GPQA Diamond at 91.2%.

How much does Grok 5 Preview cost?

Grok 5 Preview costs $3 per million input tokens and $15 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $12.00 per million tokens.

What is the Grok 5 Preview context window?

Grok 5 Preview supports a 1M token context window and generates at a median 120 output tokens per second. That context fits roughly 667 standard documents in a single prompt.

Is Grok 5 Preview open source?

No — Grok 5 Preview is a closed model available only through xAI’s official API and authorized cloud partners.

What is better than Grok 5 Preview?

Claude Mythos (Preview) ranks one place higher at #10 with an AMR score of 91.0. Grok 5 Preview still wins 1 of the tracked dimensions head-to-head — check the comparison table to see exactly which.