Grok 4.3 costs $1.25/1M input tokens and $2.5/1M output tokens via API. At a typical 3:1 input-to-output ratio with 1M tokens/day usage, the estimated monthly cost is approximately $47.
Is Grok 4.3 open source?▾
No, Grok 4.3 is a proprietary model by xAI. It is only accessible via their API.
What is Grok 4.3's context window?▾
Grok 4.3 supports a context window of 1.0 million tokens, allowing it to process very long documents, codebases, and conversations in a single request.