What is the difference between HiAPI and xAI?

HiAPI and xAI are both cloud GPU providers offering different pricing models, features, and GPU availability. Use our comparison tool to see real-time pricing and feature differences.

Which is cheaper: HiAPI or xAI?

Pricing varies by GPU model and usage requirements. Check our real-time comparison table to find the best deals for your specific needs.

Can I switch between HiAPI and xAI?

Yes, both providers offer flexible cloud GPU services. However, consider factors like data transfer costs, setup time, and specific features when switching between providers.

HiAPI vs xAI

Compare LLM inference API pricing between HiAPI and xAI. Find the best rates for AI training, inference, and ML workloads.

HiAPI

Provider 1

Models Available

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xAI

Provider 2

Models Available

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Comparison Overview

Total LLM Models

HiAPI Models

xAI Models

Direct Comparisons

LLM API Pricing Comparison

Total models: 21Both available: 2HiAPI: 18xAI: 5

Showing 15 of 21 models

Prices per 1M tokens · Last updated: 11/6/2026, 11:57:35 PM

Model ↑	HiAPI	xAI	Input Diff ↕
Claude Opus 4.8 Anthropic	$2.29 in $11.47 out	Not available	—
Claude Opus 5.5 Anthropic	$2.02 in $10.08 out	Not available	—
Claude Sonnet 4.6 Anthropic	$3.00 in $15.00 out	Not available	—
DeepSeek V4 Flash DeepSeek	$0.140 in $0.280 out	Not available	—
DeepSeek V4 Flash Vision DeepSeek	$0.286 in $0.858 out	Not available	—
DeepSeek V4 Pro DeepSeek	$1.50 in $4.50 out	Not available	—
DeepSeek V4.1 Flash DeepSeek	$0.440 in $1.32 out	Not available	—
GPT-5.6 Luna OpenAI	$0.050 in $0.300 out	Not available	—
GPT-5.6 Sol OpenAI	$1.25 in $7.50 out	Not available	—
GPT-5.6 Terra OpenAI	$0.500 in $3.00 out	Not available	—
GPT-6 Astra OpenAI	$2.50 in $12.50 out	Not available	—
GPT-6 Luna OpenAI	$0.025 in $0.125 out	Not available	—
GPT-6.1 Sol OpenAI	$0.500 in $2.50 out	Not available	—
GPT-6.1 Terra OpenAI	$0.250 in $1.25 out	Not available	—
Grok 4.3 xAI	Not available	$1.25 in $2.50 out	—

Features Comparison

HiAPI

xAI

Grok text models
Chat Completions and Responses endpoints for the Grok models, with configurable reasoning and tool calling
Server-side tools
Web Search, X Search, code execution, file and collection search, and remote MCP tools billed per invocation on top of tokens
Imagine and Voice APIs
Image and video generation billed per image or second, and speech-to-speech, speech-to-text and text-to-speech endpoints
Batch API
Asynchronous processing with a discount on selected models, typically completed within 24 hours
Priority Processing
Higher scheduling priority for lower latency at a premium over standard token rates
Prompt caching
Cached prompt tokens are billed at a reduced rate

Pros & Cons

HiAPI

Advantages

Considerations

xAI

Advantages

First-party access to Grok models
Cached-input rates published per model
Batch and priority tiers for cost or latency trade-offs
Also available through Google Cloud Vertex AI and Microsoft Foundry

Considerations

Only xAI's own models are offered
Long-context requests above the published prompt threshold are billed at a higher rate for the whole request
Server-side tool calls add per-invocation charges on top of tokens

Compute Services

HiAPI

xAI

Pricing Options

HiAPI

xAI

Per token

Input, cached input, and output tokens billed per 1M, with a higher long-context rate above a prompt-size threshold

Batch

Discounted asynchronous processing for selected models

Priority

A premium over standard rates for higher scheduling priority

Getting Started

HiAPI

Get Started

xAI

Get Started

1
Create an account
Sign up on the xAI console and add credits
2
Create an API key
Generate a key in the console
3
Call the API
Send requests to api.x.ai with an OpenAI-compatible client or the xAI SDK

Support & Global Availability

HiAPI

xAI

Support

Documentation, status page, and console support