xAI: Grok 4.6 API
Our flagship model for code and everything else: agentic tool calling, minimal hallucinations, configurable reasoning.
- Context window: 500,000 tokens
- Max output: 2,000,000 tokens
- Input: text, image
- Output: text
- Reasoning: Supported
- Tool calling: Supported
- File input: Supported
- Released: 2026-08-12
- Knowledge cutoff: 2026-02-28
Frequently Asked Questions
What is the context window of Grok 4.6?
Grok 4.6 supports a context window of up to 500,000 tokens.
Does Grok 4.6 support function calling?
Yes. Grok 4.6 supports tool / function calling.
Does Grok 4.6 support reasoning?
Yes. Grok 4.6 is a reasoning-capable model.
What is the knowledge cutoff of Grok 4.6?
The knowledge cutoff of Grok 4.6 is 2026-02-28.