Vertex-openaiClosed Weights
Grok 4.20 Reasoning (Vertex AI (OpenAI-compatible))
vertex-openai/grok-4-20-reasoning
Best Input Price
$1.25 / 1M
O-series reasoning model for hard analysis, math, coding, and planning
Context Window
2,000,000 tokens
Reasoning
Supported
Tool Calling
Supported
Released
2026-03-09
Inference Providers (1)
| Provider | Model ID | Context | Input / 1M | Output / 1M | Action |
|---|---|---|---|---|---|
| LLM Gateway | vertex-openai/grok-4-20-reasoning | 2,000,000 | $1.25 | $2.50 | Docs ↗ |