Grok 4.5: API pricing, context window and capabilities

Prices from official vendor price lists · October 2026

Grok 4.5 costs $2 per 1M input tokens and $6 per 1M output tokens, with a 500K context window. Mid-priced: dearer than 75% of this rating, with Grok 4.3 as the nearest cheaper xAI option. Recorded for vision, reasoning, adjustable thinking.

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Capabilities

API $/1M (in / out)

$2 / $6

Context window

500K tokens

Price / mo

API only

Overview Reviews

Grok 4.5 is an AI model from xAI, priced at $2 input and $6 output per 1M tokens. That places it in the mid tier of this rating — dearer than 75% of the 205 priced models listed.

It holds 500K tokens in a single conversation. Capabilities recorded in this rating: text & chat, vision, reasoning, adjustable thinking, web search grounding. Access is through the API rather than a consumer subscription.

API price$2 / $6per 1M tokens, in / out

Context500K tokenstokens per conversation

VendorxAIall models from this vendor

TierMiddearer than 75% of models

Cost calculator

1M tokens/mo10M tokens/mo50M tokens/mo200M tokens/mo

Standard$5.00~~AED 18 per month~~

With batch −50%$2.50~~AED 9 per month~~

With caching on input$4.55~~AED 17 per month~~

Standard$50.00~~AED 184 per month~~

With batch −50%$25.00~~AED 92 per month~~

With caching on input$45.50~~AED 167 per month~~

Standard$250~~AED 918 per month~~

With batch −50%$125~~AED 459 per month~~

With caching on input$228~~AED 835 per month~~

Standard$1,000~~AED 3,673 per month~~

With batch −50%$500~~AED 1,836 per month~~

With caching on input$910~~AED 3,342 per month~~

Assumes a 1:3 input-to-output ratio, which is typical for chat and generation. Dirham figures use 3.6725 per dollar. Batch and caching discounts apply where the vendor offers them.

Compared with alternatives

How Grok 4.5 sits against its neighbours in this rating. Tap a card to open that model.

ERNIE 5.0

Cheaper

Baidu

$1.4 / $5.6119K tokens

$1.5 / $7.5256K tokens

Good and poor fit

Good fit

Multi-step analysis, planning and code review, where the first plausible answer is often wrong.
Reading screenshots, charts, scanned documents and photos.

Poor fit

Classification, routing and short summaries — a small model does these identically for a fraction of the price.

Related filters

Text & chat234 models for text generation and chat

Vision159 models that read images

Reasoning175 models that think before answering

Adjustable thinking85 models with a reasoning depth dial

Tool calling172 models that call your functions

xAI8 models from this vendor

All 245 modelsThe full rating with filters and prices

Frequently asked questions

How much does Grok 4.5 cost?

$2 / $6 per 1M tokens, input and output. In dirhams that is roughly AED 7.34 per 1M input tokens. Batch processing halves it where the vendor offers it.

What is the context window of Grok 4.5?

500K tokens in a single conversation.

What can Grok 4.5 do?

In this rating it is recorded with: text & chat, vision, reasoning, adjustable thinking, web search grounding, tool calling, structured JSON output, prompt caching, batch API, priority / fast tier, multilingual, proprietary API.

Is Grok 4.5 a good choice?

It depends on the job. See the good-fit and poor-fit lists above, and compare against the neighbouring models before committing.

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