GetRun / Chat & Text / Grok 4.5

Grok 4.5

AI Text & Chat Models by xAI · Rp9,900 / 1M token input · about 1 to 30 seconds · available now

xAI's flagship model with built-in web access and adjustable reasoning effort. Fast and economical for both everyday tasks and research.

Capabilities

• chat
• streaming

Input parameters

Name	Type	Required
stream	boolean	no
messages	array	yes
max_tokens	integer	no
temperature	number	no

The complete schema is published as JSON Schema at GET https://getrun.id/v1/models.

How to call it through the API

Try Grok 4.5 in Studio, or call it from code: POST https://getrun.id/v1/tasks with body {"model": "grok/4.5", "input": {…}} and an Idempotency-Key header, then poll GET https://getrun.id/v1/tasks/{task_id}. The details are in the model documentation.

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Frequently asked questions

What does Grok 4.5 cost on GetRun?

Grok 4.5 is priced at Rp9,900 / 1M token input and billed from a rupiah balance as you use it, with no required subscription. The estimated cost is shown before it runs, and failed tasks are never charged.

How do I call Grok 4.5 through the API?

Send POST https://getrun.id/v1/tasks with an Authorization: Bearer header and an Idempotency-Key, body {"model": "grok/4.5", "input": {...}}, then poll GET https://getrun.id/v1/tasks/{task_id} every 2 to 5 seconds until the status is succeeded.

How long does Grok 4.5 take per request?

Grok 4.5 typically takes 1 to 30 seconds, depending on load and the input parameters.

Are Grok 4.5 results stored permanently?

No. Output URLs are served from a CDN and expire after 7 days, so copy the files to your own storage if you need them longer.

See other chat & text models on AI Chat Models Through One API, or compare them all in the catalog.