SpaceXAI: Grok 4.5
xAI
x-ai/grok-4.5About this model
Grok 4.5 is a model from SpaceXAI with frontier performance on coding, knowledge work, and STEM.
Make a request
OpenAI-compatible: set the base URL and your Promptix API key, keep your existing SDK.
curl https://promptix.tn/api/v1/chat/completions \ -H "Authorization: Bearer $PROMPTIX_API_KEY" \ -H "Content-Type: application/json" \ -d '{ "model": "x-ai/grok-4.5", "messages": [ {"role": "user", "content": "Hello! What can you do?"} ] }'Pricing
In TND per 1M tokens. VAT and the platform fee are added at top-up.
Input tokens
7.742 TNDper 1M tokens
Output tokens
23.226 TNDper 1M tokens
1,000 requests with 1K input and 500 output tokens cost about 19.355 TND.
Specifications
- Provider
- xAI
- Context window
- 500,000 tokens
- Input modality
- Text
- Added
- Jul 8, 2026
- Supported parameters
include_reasoninglogprobsmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputs