Vertex AI (OpenAI-compatible) Provider
Access partner models (e.g. xAI Grok) via Google Cloud Vertex AI's OpenAI-compatible Chat Completions endpoint.
Available Models
Grok 4.20 Reasoning
xai
grok-4-20-reasoningStreaming
Vision
Tools
Reasoning
JSON Output
Vertex AI (OpenAI-compatible)
Context: 2M
Input
$2
/M tokens
Cached
$0.2
/M tokens
Output
$6
/M tokens
Grok 4.20 Non-Reasoning
xai
grok-4-20-non-reasoningStreaming
Vision
Tools
JSON Output
Vertex AI (OpenAI-compatible)
Context: 2M
Input
$2
/M tokens
Cached
$0.2
/M tokens
Output
$6
/M tokens