Atlas / xAI / Grok 4.1 Fast (Reasoning)

Grok 4.1 Fast (Reasoning)

Active Tools

Input

$0.20

Output

$0.50

Cached input

$0.05

per 1M tokens Source ↗

Pricing history

TierUnitInputCached inputOutputEffectiveSource

Standard Per 1M tokens $0.20 $0.05 $0.50 Jan. 11, 2026 Source

Standard Per 1M tokens $0.20 — $0.50 Jan. 10, 2026 Source