xAI / Grok · Pricing

Grok 4.3 pricing

Complete Grok 4.3 API cost reference: $1.25/M input, $2.50/M output, 1M token context window, $0.20/M cached reads. Verified against official sources.

Prices verified August 20, 2026
Grok 4.3
xAI / Grok · official pricing ↗
Input / M
$1.25
Output / M
$2.50
Cache read
$0.20
Context
1M
Batch
Vision
Yes
Reasoning
Yes

What Grok 4.3 costs in practice

WorkloadCost / callCost @ 1K req/day
Light · 1K in / 300 out$0.0027$83.70/mo
Standard · 10K in / 2K out$0.0225$684.84/mo
Heavy · 100K in / 20K out$0.2250$6848.44/mo

Estimates assume medium reasoning effort, no batch discounts and no prompt caching. Turn on prompt caching and the input side typically drops 50–90% — run your own mix in the free calculator preloaded with Grok 4.3.

About this page

Prices were last verified on August 20, 2026 against xAI / Grok's official pricing page. Providers reprice frequently — see our methodology for exactly how estimates are computed, and always confirm final rates with the provider before budgeting.

Grok 4.3 FAQ

How much does Grok 4.3 cost?

Grok 4.3 charges $1.25 per million input tokens and $2.50 per million output tokens, with cached input reads at $0.20/M.

What is the context window of Grok 4.3?

Grok 4.3 supports a context window of 1,000,000 tokens (1M) — roughly 750,000 English words or about 1,500 pages of text in a single request.

Does Grok 4.3 support images, audio or reasoning?

Grok 4.3 offers vision & image understanding, hidden reasoning tokens. High-context tier. 1M context, cached reads at $0.20/M.

How do I estimate my Grok 4.3 bill?

A typical workload of 10K input and 2K output tokens costs about $0.0225 per call with Grok 4.3. At 1,000 requests per day that is roughly $684.84 per month. Use the free AITokenCalculator to run your exact numbers.