---
title: "Grok API (xAI) Pricing, Features & Alternatives (2026)"
description: "Grok API (xAI) review: LLM Provider tool — Free tier, plans, pros & cons, and the best Grok API (xAI) alternatives compared for startups in 2026."
source: https://appstackbuilder.com/tools/grok-api
retrieved: 2026-08-30
---

![Grok API (xAI) logo](https://appstackbuilder.com/grok.svg)

[LLM Provider](https://appstackbuilder.com/categories/llm-provider)Free tier

# Grok API (xAI): Pricing, Features & Alternatives

The Grok API by xAI gives you access to Grok-2 and Grok-3 models, notable for real-time web search integration, a 131K token context window, and competitive per-token pricing. Grok-2 is OpenAI-API-compatible, making it easy to drop in as a replacement. Well-suited for apps that need up-to-date information without RAG, or builders wanting a ChatGPT-level model at lower cost. Comes with a free tier via the xAI developer program.

Category

LLM Provider

Pricing

Free tier available

Free tier

Yes

Best for

LLM Provider — llm, ai

[Visit Grok API (xAI) official site](https://x.ai/api)

## Grok API (xAI) Pricing Plans (2026)

| Plan             | Price                   | Highlights                                                                        |
| ---------------- | ----------------------- | --------------------------------------------------------------------------------- |
| Free TierPopular | Free (rate-limited)     | Grok-2 model access · 25 requests/hour (rate-limited) · 131K token context window |
| Pay As You Go    | Usage-based (per token) | Grok-2 (fast, cost-effective) · Grok-3 (most capable) · Grok-3 Mini (lightweight) |

Pricing summary: Free. Always confirm current pricing on the official site.

## Key Grok API (xAI) Features

* ✓Grok-2 model access
* ✓25 requests/hour (rate-limited)
* ✓131K token context window
* ✓Real-time web search integration
* ✓OpenAI-compatible API
* ✓Good for prototyping

### ✓ Pros

* +Real-time web search built in
* +OpenAI-compatible — easy migration
* +Competitive pricing vs GPT-4
* +Free tier available for prototyping

### ✗ Cons

* −Smaller ecosystem than OpenAI
* −Newer — fewer community resources
* −Rate limits on free tier

## Best Grok API (xAI) Alternatives

[Compare all ](https://appstackbuilder.com/tool-alternatives/grok-api)

[![Google Gemini API logo](https://appstackbuilder.com/gemini.svg)Google Gemini APIFree](https://appstackbuilder.com/tools/google-gemini-api)[![Mistral AI API logo](https://appstackbuilder.com/mistral.svg)Mistral AI APIFree](https://appstackbuilder.com/tools/mistral-api)[![Groq logo](https://www.google.com/s2/favicons?domain=groq.com&sz=128)GroqFree](https://appstackbuilder.com/tools/groq)[![OpenRouter logo](https://www.google.com/s2/favicons?domain=openrouter.ai&sz=128)OpenRouterFree](https://appstackbuilder.com/tools/openrouter)[![Cerebras logo](https://www.google.com/s2/favicons?domain=cerebras.ai&sz=128)CerebrasFree](https://appstackbuilder.com/tools/cerebras)[![DeepSeek logo](https://www.google.com/s2/favicons?domain=deepseek.com&sz=128)DeepSeekFree](https://appstackbuilder.com/tools/deepseek)

## Grok API (xAI) Compared

[Grok API (xAI) vs Anthropic Claude API](https://appstackbuilder.com/compare/anthropic-claude-vs-grok-api)[Grok API (xAI) vs OpenAI API](https://appstackbuilder.com/compare/grok-api-vs-openai-api)[Grok API (xAI) vs Google Gemini API](https://appstackbuilder.com/compare/google-gemini-api-vs-grok-api)[Grok API (xAI) vs Mistral AI API](https://appstackbuilder.com/compare/grok-api-vs-mistral-api)[Grok API (xAI) vs Groq](https://appstackbuilder.com/compare/grok-api-vs-groq)[Grok API (xAI) vs OpenRouter](https://appstackbuilder.com/compare/grok-api-vs-openrouter)

## Grok API (xAI) FAQ

What is Grok API (xAI) used for?⌄

Grok API (xAI) is a llm provider tool. xAI's Grok API — real-time internet access, large context window, and competitive pricing for AI-powered apps.

Is Grok API (xAI) free?⌄

Yes — Grok API (xAI) has a free tier you can start with, and paid plans for more usage and features.

How much does Grok API (xAI) cost?⌄

Grok API (xAI) is free to use, with usage-based pricing on some features.

What are the best Grok API (xAI) alternatives?⌄

Popular Grok API (xAI) alternatives include Google Gemini API, Mistral AI API, Groq, OpenRouter, Cerebras. Compare pricing and features on our Grok API (xAI) alternatives page.

## Not sure if Grok API (xAI) fits your stack?

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