xAI: Grok 4.20 Multi-Agent Beta API
About
Build advanced reasoning agents with xAI: Grok 4.20 Multi-Agent Beta, 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. Access xAI: Grok 4.20 Multi-Agent Beta via the Kilo Gateway API with up to 33K output tokens.
Capabilities
Input Modalities
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Output Modalities
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Reasoning
Yes
Structured Output
Limits
Context Window
2.0M
Tokens
Input Limit
2.0M
Tokens
Max Output
33K
Tokens
Pricing
Standard (per 1M tokens)
Input
$2.00
Output
$6.00
Frequently Asked Questions
xAI: Grok 4.20 Multi-Agent Beta by Kilo Gateway costs $2.00 per 1M input tokens and $6.00 per 1M output tokens.
Model Details
ID
x-ai/grok-4.20-multi-agent-beta
Provider
Kilo GatewayFamily
Release Date
Mar 12, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
KILO_API_KEY
API Base URL
https://api.kilo.ai/api/gateway