One API for every major LLM provider — routing, spend, logs, and controls in one place.

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New York, NY 10022

Wilmington

1201 N. Market Street, Suite 200

Wilmington, DE 19801

LLM Gateway

LLM Gateway
Request Routing
Usage Monitoring
Spend Management
Data Security
Access Controls

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Migration Guides

Platform

Pricing
Model Fortress
Enterprise
Documentation
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Legal

Privacy Policy
Terms of Service
Data Processing Addendum
Acceptable Use Policy

Features

Universal API Keys
Spend Tracking
Token Allocation
Usage Analytics
Request Logs
Alerts
Data Redaction
Zero Data Retention
Audit Logs

LLM Gateway

LLM Gateway
Request Routing
Usage Monitoring
Spend Management
Data Security
Access Controls

Teams

AI Engineering
Engineering Leadership
Finance & Operations
Security & Compliance

Integrations

All Integrations
Migration Guides

Platform

Pricing
Model Fortress
Enterprise
Documentation
Status

Legal

Privacy Policy
Terms of Service
Data Processing Addendum
Acceptable Use Policy

Features

Universal API Keys
Spend Tracking
Token Allocation
Usage Analytics
Request Logs
Alerts
Data Redaction
Zero Data Retention
Audit Logs

Offices

New York

130 E 59th St, 17th floor

New York, NY 10022

Wilmington

1201 N. Market Street, Suite 200

Wilmington, DE 19801

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Grok 4.3

xAI

xai/grok-4.3

Providers

2

Context

1.0M

Input

$1.25/M

Output

$2.50/M

Aliases:grok-4-3

xAI's Grok 4.3 with 1M token context window. Supports configurable reasoning, function calling, structured outputs, and vision.

xAI's Grok 4.3 with 1M token context window. Supports configurable reasoning, function calling, structured outputs, and vision.

xAI

xai/grok-4.3

1.0M context1.0M max out

Input Price

$1.25/M tokens

Output Price

$2.50/M tokens

Cache read: $0.20/M

Azure

azure/grok-4.3

20K context10K max out

Input Price

$1.25/M tokens

Output Price

$2.50/M tokens

Cache read: $0.20/M

Grok 4.3 - xAI | API Pricing & Providers | Concentrate.ai | Concentrate.ai