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xAI
grok-4.2
Text
Input$0.90/ 1M
Output$4.50/ 1M
Endpointsopenai
Capabilities
ReasoningTools
Quick stats
Context window256K
Performance
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§ 01
Pricing
| Input price | $0.90 · 1M tokens |
| Output price | $4.50 · 1M tokens |
| Compatible endpoints | openai |
| Vendor | xAI |
§ 02
Call grok-4.2 from your code
Point any OpenAI-compatible SDK at UnoRouter and request the model by name. Replace YOUR_API_KEY with a real key from your dashboard.
bash
curl https://api.unorouter.com/v1/chat/completions \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "grok-4.2",
"messages": [{"role": "user", "content": "Hello!"}]
}'§ 03
Frequently asked questions
How much does grok-4.2 cost per 1M tokens?
Input is priced at $0.90 per 1M tokens, output at $4.50 per 1M tokens. Billing is per token, no rounding to batch sizes.
How do I access grok-4.2 via API?
Send requests to the UnoRouter /v1/chat/completions endpoint with model=grok-4.2. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.
§ 04