Compare AI models

API pricing
Cheapest input
$0.016Relace—
Cheapest output
$0.18Decart—

These models have no shared benchmark scores.

Overview
CompanyDeepSeekSpaceXAI
Release dateSep 10 2026Jul 9 2025
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4.1-Flash and Grok 4 Heavy don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Grok 4 Heavy shipped 428 days before DeepSeek-V4.1-Flash, so benchmark comparisons should account for the intervening progress.

DeepSeek-V4.1-Flash is open weight, while Grok 4 Heavy is closed.

Direct benchmark comparisons are unavailable — DeepSeek-V4.1-Flash and Grok 4 Heavy don't publish scores on any of the same benchmarks.