Grok 4 API
About
Build advanced reasoning agents with Grok 4, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $3.00/1M input and $15.00/1M output tokens, native tool calling support. Access Grok 4 via the Abacus API with up to 16K output tokens.
Capabilities
Input Modalities
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Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsClosed
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
256K
Tokens
Input Limit
256K
Tokens
Max Output
16K
Tokens
Pricing
Standard (per 1M tokens)
Input
$3.00
Output
$15.00
Frequently Asked Questions
Grok 4 by Abacus costs $3.00 per 1M input tokens and $15.00 per 1M output tokens.
Model Details
API Integration
NPM Package
@ai-sdk/openai-compatible
Environment Variables
ABACUS_API_KEY
API Base URL
https://routellm.abacus.ai/v1