SpaceXAI: Grok 4.20
xAI
x-ai/grok-4.20About this model
Grok 4.20 is a reasoning model from SpaceXAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...
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-4.20", "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
4.839 TNDper 1M tokens
Output tokens
9.677 TNDper 1M tokens
1,000 requests with 1K input and 500 output tokens cost about 9.677 TND.
Specifications
- Provider
- xAI
- Context window
- 2,000,000 tokens
- Input modality
- Text
- Added
- Mar 31, 2026
- Supported parameters
include_reasoninglogprobsmax_tokensreasoningresponse_formatseedstructured_outputstemperature