xAI

Grok 4.3 API

Built for real-time reasoning, coding, and long-context tasks, with stronger long-context handling and fast responses than earlier Grok 4.x versions. Compared with GPT, Claude, and Gemini, it is useful for trend analysis, coding assistance, and connected-information workflows in the xAI ecosystem.

  • Reasoning
  • Tool use
  • Structured output
  • Long context

USD

Pricing

default
Standard Rate
Input$1.31/1M tokensCompletion Price$2.62/1M tokensCache Read$0.209993/1M tokens

Public list prices are shown in USD. Final charges may vary by account group and usage tier.

API

Code examples

curl --location --request POST 'https://api.tokenhot.ai/v1/responses' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data-raw '{
    "model": "grok-4.3",
    "input": [
        {
            "role": "user",
            "content": "What is xAI?"
        }
    ],
    "tools": [
        {
            "type": "web_search"
        }
    ]
}'

xAI

Related models

FAQ

Frequently asked questions

What is Grok 4.3 best suited for?

Grok 4.3 is suited to the input, output, and capability types listed on this page. Test production workloads before choosing it for a critical system.

How is Grok 4.3 priced?

Pricing is shown in the pricing section above. Actual cost depends on usage volume, account group, and the request payload.

How can I call Grok 4.3?

Use the model ID shown above with one of the supported API protocols. Code examples are provided when usage data is available.

Get started

Build with Grok 4.3

Use in Console
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