Grok 4.6 (Vertex AI (OpenAI-compatible)) API
About
Build advanced reasoning agents with Grok 4.6 (Vertex AI (OpenAI-compatible)), a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $2.00/1M input and $6.00/1M output tokens, native tool calling support. Access Grok 4.6 (Vertex AI (OpenAI-compatible)) via the LLM Gateway API with up to 500K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Limits
Context Window
500K
Tokens
Input Limit
500K
Tokens
Max Output
500K
Tokens
Pricing
Standard (per 1M tokens)
Input
$2.00
Output
$6.00
Caching (per 1M tokens)
Read
$0.50
Frequently Asked Questions
Grok 4.6 (Vertex AI (OpenAI-compatible)) by LLM Gateway costs $2.00 per 1M input tokens and $6.00 per 1M output tokens. Cached reads cost $0.50 per 1M tokens.
Model Details
ID
vertex-openai/grok-4-6
Provider
LLM GatewayFamily
grok
Release Date
Aug 12, 2026
Knowledge Cutoff
Feb 1, 2026
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
LLMGATEWAY_API_KEY
API Base URL
https://api.llmgateway.io/v1