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Grok 4.5 Pricing

xAI · x-ai-grok-4-5

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Input / 1M tokens
$2.00
Output / 1M tokens
$6.00
Context window
500k tokens
667 pages of text
Max output
450k tokens

What it costs in practice

Estimate your own workloadOpens the calculator with Grok 4.5 preloaded — adjust volume and token counts there.

Price history

List price per 1M tokens since we started tracking in Jul 2026. The lines are flat because the price hasn't changed since then.

What it excels at

Handles 500k-token contexts effectively for long-document analysis and multi-step reasoning tasks.

The business tradeoff

Smaller ecosystem and fewer production tooling integrations than OpenAI or Anthropic equivalents.

Cheaper from xAI

Same tier from other providers

Head-to-head

Vendor list rates, as of Jul 18, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.