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Atlas / xAI / Grok 4

Grok 4

Frontier Grok model for reasoning and chat.

Preview Tools
Input
$3.00
Output
$15.00
Cached input
$0.75
per 1M tokens Source ↗

Pricing history

TierUnitInputCached inputOutputEffectiveSource
Standard Per 1M tokens $3.00 $0.75 $15.00 March 1, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Feb. 22, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Feb. 15, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Feb. 8, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Feb. 1, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Jan. 25, 2026 Source
Standard Per 1M tokens $3.00 $0.75 $15.00 Jan. 11, 2026 Source
Standard Per 1M tokens $3.00 $15.00 Jan. 10, 2026 Source