Grok 4.3 vs Mistral Large 3
How Grok 4.3 (xAI) and Mistral Large 3 (Mistral) compare on price and capabilities — and how to use either on anyAInow without a subscription.
Grok 4.3
Flagship
Mistral Large 3
Flagship
Provider
xAI
Mistral
Best for
Flagship
Flagship
Reads images
Yes
Yes
GPQA Diamond
90.1%
68%
AA Coding Index
42.2%
20.1%
MMLU-Pro
—
80.7%
Price
from $10 / 1M
from $10 / 1M
Subscription
None
None
Benchmark source: artificialanalysis.ai, as of 13 Aug 2026. Higher is better; figures are publisher-reported where not independently verified.
Grok 4.3 or Mistral Large 3?
Grok 4.3 and Mistral Large 3 both sit in the flagship tier, so they're closely matched for everyday work. On the GPQA Diamond reasoning benchmark, Grok 4.3 leads 90.1% to 68%. On anyAInow you can use either — or run both side by side to see which answers your prompts better — pay-as-you-go with no subscription.