grok-4.3

Grok (xAI) · Chat

ConversationToolsThinking

NixAPI price, from

Input$0.1553
Output$0.3107

USD per 1M tokens · via group Azure-Grok-1 · Official list price $1.25 / $2.5Save 88%

Get your API key →

About grok-4.3

Our most advanced flagship model, leading the industry in hallucination-free rate, agentic tool calling, and instruction following.

Price by routing group

Pick a group in the console when you create a key. Status is live from the router. Live status by group →

GroupGroup statusModel statusMultiplierInputOutputCache readCache write
Azure-Grok-1…×0.1243$0.1553$0.3107——
Cli-Grok-1…×0.1243$0.1553$0.3107——
Cli-Grok-2…×0.174$0.2175$0.435——
Xai-Grok-1…×0.7456$0.932$1.864——

USD per 1M tokens

Long-context pricing

  • Prompts over 200,000 tokens: input ×2, output ×2

Supported endpoints

openaianthropic

Call grok-4.3 in one request

Works with the OpenAI SDK and any OpenAI-compatible client. Replace the key with your own.

curl https://api.nixapi.com/v1/chat/completions \
  -H "Authorization: Bearer $NIXAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "grok-4.3",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Full API reference →

Questions about grok-4.3

How much does grok-4.3 cost on NixAPI?

From $0.1553 per 1M input tokens and $0.3107 per 1M output tokens in the Azure-Grok-1 group, about 88% below the official list price. Prices are pay-as-you-go in USD with no monthly minimum.

How do I call grok-4.3?

Point any OpenAI-compatible client at https://api.nixapi.com/v1, use your NixAPI key and set the model to "grok-4.3".

Which routing groups serve grok-4.3?

grok-4.3 is available in 4 routing groups: Azure-Grok-1, Cli-Grok-1, Cli-Grok-2, Xai-Grok-1. The lowest price is in Azure-Grok-1.

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