xAI API Models & Pricing

23 xAI models tracked with official API pricing (models.dev/LiteLLM) and open-license benchmark scores, refreshed daily.

All xAI models

ModelReleasedIn $/1MOut $/1MBlended Epoch ECIArena text
Grok 4.20 (Non-Reasoning) 2026-03-09 1.25 2.50 1.5625 — —
Grok 4.20 (Reasoning) 2026-03-09 1.25 2.50 1.5625 — —
Grok 4.3 2026-04-17 1.25 2.50 1.5625 — 1441.6
Grok 4.5 2026-07-08 2.00 6.00 3.00 155.1 1466.1
Grok 4.6 2026-08-12 2.00 6.00 3.00 157.9 1457.0
Grok 4.7 2026-09-21 2.00 6.00 3.00 156.1 1441.8
Grok Build 0.1 2026-04-16 1.00 2.00 1.25 — —
x-AI/Grok-Code-Fast 1 2025-09-02 1.00 2.00 1.25 — —
Grok 4.1 Fast 2025-11-19 — — — — —
Grok 4.1 Fast (Reasoning) 2025-11-19 — — — — 1430.6
Grok Imagine Image 2026-01-28 — — — — —
Grok Imagine Image 2.0 2026-08-07 — — — — —
Grok Imagine Image Quality 2026-04-03 — — — — —
Grok Imagine Video 2026-01-28 — — — — —
Grok Imagine Video 1.5 2026-05-30 — — — — —
Grok Imagine Video 1.5 Lite 2026-10-01 — — — — —
Grok TTS 2026-03-16 — — — — —
Grok Voice 3.0NEW 2026-10-14 — — — — —
Grok Voice STT 1.0 2026-08-04 — — — — —
Grok Voice TTS 1.0 2026-07-31 — — — — —
Grok Voice Transcribe 2.0 2026-09-17 — — — — —
X-Ai/Grok-4-Fast-Non-Reasoning 2025-12-18 — — — — 1418.5
X-Ai/Grok-4-Fast-Reasoning 2025-12-18 — — — — 1405.3

Prices are xAI's official list prices in USD per 1M tokens. See third-party resale listings for reseller prices from a public-marketplace snapshot — not official pricing. See the full model directory to compare across all providers.