xAI's flagship reasoning model with a 500K context window, vision, and tool support.
LLM Gateway routes requests to the best providers that are able to handle your prompt size and parameters.
xAI's flagship reasoning model with a 500K context window, vision, and tool support. You can access it through LLM Gateway's OpenAI-compatible API with automatic provider routing, fallback, and cost analytics.
Pricing for Grok 4.5 on LLM Gateway starts at $2.00 per million input tokens and $6.00 per million output tokens, depending on the provider. The pricing table above always reflects the current per-provider rates.
Grok 4.5 supports a context window of up to 500,000 tokens on its largest provider deployment.
Grok 4.5 is served by xAI through LLM Gateway. Requests are automatically routed to the best available provider, with fallback when a provider has issues.
Yes. Grok 4.5 supports both tool (function) calling and structured JSON outputs through LLM Gateway.
Grok 4.5 was released on July 8, 2026.
Grok STT 1.0
$0.00 in / $0.00 out per 1M
Grok Imagine Video 1.5
2,000 context$0.00 in / $0.00 out per 1M
Grok Imagine Video 1.5 Preview
2,000 context$0.00 in / $0.00 out per 1M
Grok Build 0.1
256,000 context$1.00 in / $2.00 out per 1M
Grok 4.3
1,000,000 context$1.25 in / $2.50 out per 1M
Grok 4.20 Beta Reasoning (0309)
2,000,000 context$2.00 in / $6.00 out per 1M