Grok 4.5
Previous Grok flagship: agentic tool calling with configurable reasoning.
- Image input
- Reasoning
- Coding
- Tool calling
- Structured output
- Streaming
Specifications
| Provider | xAI |
|---|---|
| API model ID | grok-4.5 |
| Released | June 2026 |
| Context window | 500,000 tokens |
| Max output | 32,768 tokens |
| Reasoning model | Yes |
| Price per 1M tokens (input / output) | See provider |
Specs as published by xAI. Prices are standard list prices before caching or batch discounts.
More xAI models
FAQ
- What is the context window of Grok 4.5?
- Grok 4.5 accepts up to 500,000 tokens of context and can return up to 32,768 output tokens per reply.
- When was Grok 4.5 released?
- xAI released Grok 4.5 in June 2026.
- How do I use Grok 4.5?
- Add your xAI API key in DapperGPT, pick Grok 4.5 in the model picker, and start chatting. You pay xAI directly for usage.