grok-4.5

Grok (xAI) · Chat

ConversationToolsImage Recognition

NixAPI price, from

Input$0.2485
Output$0.7456

USD per 1M tokens · via group Cli-Grok-1 · Official list price $2 / $6Save 88%

Get your API key →

About grok-4.5

Grok 4.5 is a cutting-edge model built by SpaceXAI for coding, agent tasks, and knowledge work. It is trained at SpaceXAI's data center in Memphis using new datasets covering the fields of science, engineering, and mathematics.

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
Cli-Grok-1…×0.1243$0.2485$0.7456$0.0621—
Cli-Grok-2…×0.174$0.348$1.044$0.087—
Xai-Grok-1…×0.7456$1.491$4.474$0.3728—

USD per 1M tokens

Long-context pricing

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

Supported endpoints

anthropicopenai

Call grok-4.5 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-4.5",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Full API reference →

Questions about grok-4.5

How much does grok-4.5 cost on NixAPI?

From $0.2485 per 1M input tokens and $0.7456 per 1M output tokens in the Cli-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-4.5?

Point any OpenAI-compatible client at https://api.nixapi.com/v1, use your NixAPI key and set the model to "grok-4.5".

Which routing groups serve grok-4.5?

grok-4.5 is available in 3 routing groups: Cli-Grok-1, Cli-Grok-2, Xai-Grok-1. The lowest price is in Cli-Grok-1.

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