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Where to Buy Grok 4.5 API Access and What It Costs in 2026

Grok 4.5 is listed by the intermediary pricing panel, with a base price of $2 per 1M input tokens, $6 per 1M output tokens, and $0.50 per 1M cache-hit tokens. Your charged price is that base rate multiplied by the assigned group multiplier. Supported payment methods, whether a no-cost balance exists, and the time between payment and usable balance are Not yet measured.

Where can I buy Grok 4.5 API access?

The available purchase route documented here is the intermediary panel whose pricing endpoint lists grok-4.5. Its pricing data was retrieved from https://api.openlux.ai/api/pricing on August 4, 2026. That source lists 452 models in total; grok-4.5 is one of the listed models.

The supplied data establishes that the model is priced in that panel, but it does not document the account-registration URL, checkout page, supported countries, payment rails, minimum deposit, or balance-credit workflow. Those details should be confirmed in the live panel before funds are committed.

Do not treat a model's presence in a pricing response as proof of a particular billing arrangement, identity-verification policy, or immediate availability. The panel may assign a group multiplier, and the assigned group changes the effective token price.

How much does the Grok 4.5 API cost?

The published base price for grok-4.5 is $2 per 1M input tokens, $6 per 1M output tokens, and $0.50 per 1M cache-hit tokens. These are base prices, not necessarily the amount charged to every account.

The final price is calculated as base price multiplied by your group's multiplier. For example, the listed default group has a multiplier of ×0.07353, while Xai-Grok-1 is listed at ×0.44118. The applicable group must be checked on the account or panel that will be billed.

At the listed default multiplier, the derived rates are $0.14706 per 1M input tokens, $0.44118 per 1M output tokens, and $0.036765 per 1M cache-hit tokens. At the listed Xai-Grok-1 multiplier, the derived rates are $0.88236, $2.64708, and $0.22059 per 1M tokens respectively. Currency conversion, taxes, minimum purchase amount, and any non-token charges are Not yet measured.

There is no supplied evidence that grok-4.5 has a free tier, free API key, promotional credit, or a fixed monthly subscription price. Treat those as Not yet measured rather than assuming that access is free.

Which Grok 4.5 purchase channel should I choose?

Only one channel has enough supplied information to compare: the intermediary panel represented by the cited pricing endpoint. It lists grok-4.5 with token-based base pricing and group-based multipliers. Its payment methods and balance-arrival time are Not yet measured.

Comparison table: Intermediary panel | price basis: $2 input, $6 output, $0.50 cache hit per 1M tokens before the assigned multiplier | payment methods: Not yet measured | balance or key availability time: Not yet measured. Official xAI route | price basis: Not yet measured | payment methods: Not yet measured | availability time: Not yet measured.

This is intentionally not a claim that the official route is unavailable. No supplied fact verifies official region access, accepted cards or wallets, identity review, business review, account eligibility, or approval time. Use the live official documentation and checkout flow to verify those items separately.

For a purchase decision, compare the actual multiplier assigned to your account, the total amount shown immediately before payment, the permitted payment method, and the written refund and invoice terms. The model's base price alone is insufficient for estimating the final spend.

Why can an official Grok 4.5 purchase path be unavailable?

Whether an official Grok 4.5 purchase path is unavailable for a given buyer is Not yet measured from the provided information. There is no verified basis here to state that any region, card type, wallet, company type, or individual account is accepted or rejected.

Region availability, payment acceptance, and account review are separate checks. A buyer can encounter a geographic restriction, a payment decline, or a review requirement even when another part of the purchase flow is visible. The supplied facts do not establish which of those conditions applies to xAI or to this model.

Do not route production traffic through an unverified account solely because it appears to have access. Confirm the legal entity, billing ownership, applicable terms, and support path before adding material balance or depending on the account for a release.

How do I buy access and get a Grok 4.5 API key?

The verified purchase sequence ends at checking the live intermediary panel: create or sign in to the account, locate grok-4.5, confirm the group multiplier, review the displayed charge, and inspect the payment options offered to that account. The exact screens, required fields, payment steps, and key-creation procedure are Not yet measured.

Before payment, record the model ID exactly as grok-4.5 and verify that the displayed unit is dollars per 1M tokens. Check input, output, and cache-hit pricing independently; they are different charge categories. Also retain the payment receipt and the pre-payment price view for reconciliation.

After funding, find the panel's credential-management area and create or retrieve a key only through that authenticated interface. Store it in a secret manager or environment variable, never in source control, browser-shared notes, client-side code, or logs. Key format, scopes, expiration, rotation behavior, and whether a newly funded account receives a key automatically are Not yet measured.

If the panel exposes an API key but the balance does not appear usable, do not assume a fixed activation period. Check the account's transaction state and current billing display, then contact the channel's support path with the payment reference if one is available.

What is the first request after I receive a Grok 4.5 key?

A copy-paste runnable request cannot be published from the supplied facts because no base URL, authentication header, request schema, endpoint path, or response format is provided. Inventing any of those details would create a request that may fail or send credentials to the wrong destination.

Use the endpoint and authentication format shown in the same authenticated panel that issued the key. Set the model identifier to grok-4.5 exactly, send a minimal non-sensitive prompt, and inspect the returned model identifier and usage fields before moving traffic from a test environment.

Start with a spending guardrail outside the request itself: use a dedicated test key where the channel supports it, avoid putting customer data in the first call, log request IDs without logging the secret, and reconcile token usage against the panel's billing view. Rate limits, concurrency limits, quota reset timing, and error-retry requirements for grok-4.5 are Not yet measured.

Can I get an invoice, refund unused balance, or add funds after quota runs out?

Invoice availability, invoice type, tax treatment, refund eligibility, partial-refund handling, expiry of unused balance, and top-up rules are Not yet measured. None of these terms can be inferred from the model's token price or from the group multiplier table.

Before buying for a company, ask the selling channel for its invoice process and refund policy in writing, including the issuing entity, required billing information, refund exclusions, processing window, and treatment of unused credit. Verify this before using a personal payment method for company expenditure.

If usable balance or quota runs out, the documented pricing data only supports recalculating future token cost from the applicable group multiplier. It does not establish whether automatic recharge exists, whether requests fail immediately, whether there is a grace balance, or how quickly a manual payment becomes usable. Check the account's current balance and transaction status, then follow the channel's documented support process if the display is inconsistent.

Still stuck? Full documentation and support are at learn more.

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Confirm the group multiplier, access endpoint, and grok-4.5 availability in the panel before running a minimal request test

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Official site: OpenLux official site

Last updated 2026-08-05　|　Written and maintained by OpenLux.
Latency and pricing figures come from our own measurements. Where they differ from the vendor's site, the vendor's live page wins.