Historical model (legacy). The rates below are the last recorded rates, not a recommendation for a new deployment.
Grok 4.5 API Pricing
Grok 4.5 costs $2.00 per 1M input tokens and $6.00 per 1M output tokens. These rates were last verified on .
Published rates and billing units
| Billing dimension | USD list price |
|---|---|
| Input / 1M tokens | $2.00 |
| Cached input / 1M tokens | $0.30 |
| Requests at least 200,000 input tokens: Input / 1M tokens | $4.00 |
| Requests at least 200,000 input tokens: Cached input / 1M tokens | $0.60 |
| Requests at least 200,000 input tokens: Output / 1M tokens | $12.00 |
| Output / 1M tokens | $6.00 |
Verified 2026-11-12 · Official source · Pricing methodology. Taxes, optional services and account-specific discounts are not included.
Cost examples
These examples use published list prices only. They exclude taxes, enterprise discounts, minimum charges, retries, batch discounts, and provider-specific billing rules.
1M input + 1M output
$16.00
A direct per-million comparison against every other text model.
100K input + 25K output
$0.35
A compact chat, summarization, or analysis workload.
10M input + 2M output
$64.00
A monthly production estimate for heavier RAG or agent traffic.
75% cached input + 250K output
$4.45
Cached input is about 85% cheaper than standard input at list price.
Calculator for Grok 4.5
Enter your own input, output, and cached-token assumptions. This calculator is preloaded with only Grok 4.5, so the result stays focused on this model.
Input cost
$4.00
Output cost
$12.00
Total
$16.00
Long-context rates apply because this request exceeds 200,000 input tokens.
Price history
No list-price movement across 126 daily snapshots from 2026-07-09 to 2026-11-11.
When to use Grok 4.5
Good fit
- reasoning-heavy prompts, planning, analysis, and multi-step tool use
- long-document and repository-scale prompts where context window matters
Be careful with
- blind migration without testing your own prompts, latency, and failure modes