How much does the xAI Grok API cost?

xAI Grok API pricing: Grok 4.3 costs $1.25/$2.50 per 1M tokens (input/output), and Grok Build 0.1 costs $0.30/$0.50 per 1M tokens. Grok 4.3 is a premium model with real-time X/Twitter knowledge, while Grok Build 0.1 offers a budget-friendly alternative.

Is Grok 4.3 cheaper than GPT-5?

Grok 4.3 ($1.25/$2.50 per 1M tokens) is priced identically to GPT-5 ($1.25/$10.00) on input but 75% cheaper on output. Grok Build 0.1 ($0.30/$0.50) is cheaper than GPT-5 on both input and output. For budget workloads, Grok Build 0.1 is the best value.

How much does Grok 4.3 cost per month?

Monthly Grok 4.3 costs depend on usage: 100 requests/day (~3K/mo) costs ~$8/month, 1,000 requests/day (~30K/mo) costs ~$75/month. Grok Build 0.1 at the same volumes costs ~$1.50/month and ~$15/month respectively. These assume ~1K input + ~500 output tokens per request.

What is Grok Build 0.1 used for?

Grok Build 0.1 ($0.30/$0.50 per 1M tokens) is ideal for chatbots, content moderation, classification, summarization, and high-volume tasks where you need real-time X/Twitter data at a fraction of Grok 4.3's cost. It offers excellent value for production workloads.

xAI Grok API Cost Calculator

Estimate your xAI spend across Grok 4.3 and Grok Build 0.1. See cost per request, per 1K requests, and monthly totals. Real-time X/Twitter data access included.

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All xAI Grok Models — Cost Comparison

See how your costs compare across all xAI models with your current settings

Cheaper Alternatives from Other Providers

These models from other providers offer similar capabilities at lower prices:

Model	Provider	Input/1M	Output/1M	Your Cost/Req	Savings vs Selected

xAI Grok API Pricing Explained

xAI's Grok models offer unique access to real-time X/Twitter data. Grok 4.3 ($1.25/$2.50 per 1M tokens) is a premium model with deep reasoning and real-time social media awareness, while Grok Build 0.1 ($0.30/$0.50) provides a cost-effective alternative for simpler tasks.

When to Use Each Grok Model

Grok 4.3 context: 1M context window.

Grok Build 0.1 ($0.30/$0.50): Budget-friendly option for chatbots, summarization, classification, and high-volume tasks. Still includes X/Twitter data access. Great for production workloads where cost matters.

Grok vs Competitors

Grok's main differentiator is real-time X/Twitter integration. No other major AI API offers built-in access to live social media data. However, this comes at a premium — Grok 4.3 is 3x more expensive than GPT-5 for input tokens. For tasks that don't require real-time social data, alternatives like GPT-5 ($10/$30) or Claude Sonnet 4.6 ($3/$15) offer better value.

How to Reduce Your Grok API Costs

Use Grok Build 0.1 for most tasks: Route simple queries to Mini ($0.30/$0.50) and only use Grok 4.3 ($1.25/$2.50) for tasks requiring deep reasoning or social data. Saves 90%+.

Batch social media analysis: Process multiple posts in a single request instead of one request per post. Reduces per-request overhead.

Set token limits: Control output length with max_tokens to avoid surprise costs on verbose responses.

Cash prompts: Cache common prefixes to reduce input token costs for repeated queries.

Monitor usage: Set up billing alerts in the xAI console to catch cost spikes early.

xAI Free Tier

xAI offers a free tier for testing: $25 in free credits for new accounts. This is enough for approximately 833K input tokens on Grok 4.3 or 8.3M input tokens on Grok Build 0.1. Great for prototyping and evaluation.

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