llmgauge

xAI · model

Grok 4.5

$2.00/1M in · $6.00/1M out · 500K context. That's cheaper than 26% of the 341 models we track, by output price. Here's what it costs, how its price has moved, and where it fits.

output price · per 1M tokens
$6.00
input $2.00/1M · list
Context
500K
Input / 1M
$2.00
Output / 1M
$6.00
Modality
text + image + file
Provider
xAI
Tokenizer
Grok

Snapshot · source: provider list ↗ · how we measure →

cost at a typical workload
$1,200 / mo

For 1,500 input + 500 output tokens across 200,000 requests/month. That's 200× the cheapest tracked option (Ling-2.6-flash, $6.00/mo).

Tune the workload in the calculator →

output price history
output / 1M

Flat at $6.00 since tracking began 2026-07-09. Full history →

Where it fits

  • Long inputs — a 500K-token window holds roughly 750 pages of text at once.
  • Multimodal prompts — accepts image input alongside text.
  • Quality-first tasks where capability matters more than rate — a first-party flagship rather than a budget pick.

Watch for

    These notes are derived from price, context and modality — structural facts, not measured quality. Measured cost-to-finish-a-task lives on the real-cost index.

    Related models

    Grok 4.3 xAI · $2.50/1M out · 1M Grok 4.20 xAI · $2.50/1M out · 2M Grok 4.20 Multi-Agent xAI · $2.50/1M out · 2M Grok Build 0.1 xAI · $2.00/1M out · 256K Palmyra X5 Writer · $6.00/1M out · 1.0M Gemini 3.1 Pro Preview (batch) Google · $6.00/1M out · 1.0M

    See how the leading models compare head-to-head →

    How to read Grok 4.5's pricing

    Two numbers decide most of the bill: $2.00/1M for input (everything you send — prompt, context, attachments) and $6.00/1M for output (everything it generates, including hidden reasoning tokens). Output is priced 3.0× the input rate here, so the shape of your workload — how much it reads versus writes — matters as much as the headline figure. This is the provider's first-party list price, reconciled against the routed market each run.

    Frequently asked questions

    How much does Grok 4.5 cost per million tokens?

    Grok 4.5 is priced at $2.00 per 1M input tokens and $6.00 per 1M output tokens (first-party list price) as of the 2026-07-29 snapshot. Output is the figure that usually drives the bill. Enter your own token volumes in the cost calculator for a monthly estimate.

    What is Grok 4.5's context window?

    Grok 4.5 has a 500K-token context window — roughly 750 pages of text. Prompt, attachments, conversation and the model's own output all share that budget, and every token you send is billed at the input rate.

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