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Grok 4.3 Pricing

xAI · grok-4-3

Input / 1M tokens
$1.25
Output / 1M tokens
$2.50
Context window
1M tokens
1,333 pages of text
Max output

What it costs in practice

Estimate your own workloadOpens the calculator with Grok 4.3 preloaded — adjust volume and token counts there.

Price history

Only one price point recorded so far.

The staircase chart appears once a price change is detected.

What it excels at

Strong real-time knowledge via X/Twitter integration and competitive general reasoning at a lower price than other flagship models.

The business tradeoff

Smaller third-party ecosystem and fewer enterprise compliance certifications than OpenAI/Anthropic/Google offerings.

Cheaper from xAI

Same tier from other providers

Head-to-head

Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.