Lifecycle watch · 8
The lineup

All xAI models

Official pricing ↗
Model Status Context Input $/M Output $/M Blended $/M Cutoff
Grok 4.3
xAI · text-in, image-in, text-out
GA1M$1.25$2.50$1.56
Grok 4.20 (0309) Reasoning
xAI · text-in, image-in, text-out
GA1M$1.25$2.50$1.56
Grok 4.20 (0309) Non-Reasoning
xAI · text-in, image-in, text-out
GA1M$1.25$2.50$1.56
Grok Build 0.1
xAI · text-in, image-in, text-out
GA256K$1$2$1.25
Grok Imagine Image (Quality)
xAI · text-in, image-out
GA
Grok Imagine Image
xAI · text-in, image-out
GA
Grok Imagine Video 1.5
xAI · text-in, image-in, video-out
GA
Grok Imagine Video
xAI · text-in, image-in, video-out
GA
Grok 4.20 Multi-Agent (0309)
xAI · text-in, image-in, text-out
Beta1M$1.25$2.50$1.56
Grok 4 (0709)
xAI · text-in, image-in, text-out
Retired2024-11
Grok 3
xAI · text-in, text-out
Retired131K2024-11
Grok 4 Fast (Reasoning)
xAI · text-in, image-in, text-out
Retired
Grok 4 Fast (Non-Reasoning)
xAI · text-in, image-in, text-out
Retired
Grok 4.1 Fast (Reasoning)
xAI · text-in, image-in, text-out
Retired
Grok 4.1 Fast (Non-Reasoning)
xAI · text-in, image-in, text-out
Retired
Grok Code Fast 1
xAI · text-in, image-in, text-out
Retired256K
Grok Imagine Image Pro
xAI · text-in, image-out
Retired

Blended = 0.75 × input + 0.25 × output $/M tokens (a fair single-number cost proxy). Click any header to sort.

FAQ

xAI pricing & models

What is the cheapest xAI model?

Grok Build 0.1 is the cheapest generally-available xAI model we track, at $1 per 1M input tokens and $2 per 1M output tokens ($1.25/1M blended).

What is xAI's flagship model?

Grok 4.3 is xAI's most prominent model in our catalog, with a 1M-token context window and pricing of $1.25/$2.50 per 1M input/output tokens.

How many xAI models are there?

We track 17 xAI models, of which 8 are generally available and 8 are deprecated or scheduled for retirement.

Which xAI models are being deprecated?

Grok 4 (0709) (retires 15 May 2026), Grok 3 (retires 15 May 2026), Grok 4 Fast (Reasoning) (retires 15 May 2026), Grok 4 Fast (Non-Reasoning) (retires 15 May 2026), Grok 4.1 Fast (Reasoning) (retires 15 May 2026), Grok 4.1 Fast (Non-Reasoning) (retires 15 May 2026), Grok Code Fast 1 (retires 15 May 2026), Grok Imagine Image Pro (retires 15 May 2026).