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Flagship — best answers, highest costCommercial API
Grok 4.5 Pricing
xAI · x-ai-grok-4-5
Input / 1M tokens
$2.00
Output / 1M tokens
$6.00
Context window
500k tokens
≈ 667 pages of text
Max output
—
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0048
1,000 requests / month$4.80/mo10,000 requests / month$48.00/mo100,000 requests / month$480.00/moEstimate your own workloadOpens the calculator with Grok 4.5 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
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.
Head-to-head
Vendor list rates, as of Jul 8, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.