Grok API Pricing 2026:
Every xAI Model, Cost Calculator & How to Save 50%
xAI's Grok API offers some of the most competitive pricing for high-performance models. This guide covers every Grok model, real pricing per token, and how to cut your Grok API bill in half using CheapLLM.
Save 50% on Grok API — Start Free TrialHow Does Grok API Pricing Work in 2026?
xAI charges for the Grok API on a per-token basis, separately for input (prompt) and output (completion) tokens. One token is approximately 4 characters of English text. A typical 500-word prompt is roughly 700 tokens.
Pricing is denominated per 1 million tokens. At $3.00/1M input tokens for Grok 3, sending 1,000 prompts of 500 tokens each costs approximately $1.50 in input tokens alone.
CheapLLM reduces this by 50% by routing your requests through discounted provider tiers. You use your existing xAI API key — CheapLLM handles the optimization.
Grok API Pricing for Every Model
| Model | Tier | Context | Input / 1M | Output / 1M | With CheapLLM |
|---|---|---|---|---|---|
| Grok 3 | Flagship | 131k | $3.00 | $15.00 | $1.50 / $7.50 |
| Grok 3 Fast | Fast | 131k | $5.00 | $25.00 | $2.50 / $12.50 |
| Grok 3 Mini | Mini | 131k | $0.30 | $0.50 | $0.15 / $0.25 |
| Grok 3 Mini Fast | Mini Fast | 131k | $0.60 | $4.00 | $0.30 / $2.00 |
| Grok 2 Vision | Vision | 32k | $2.00 | $10.00 | $1.00 / $5.00 |
| Grok 2 Image Gen | Image | N/A | $0.07/img | — | $0.04/img |
All prices in USD. CheapLLM prices reflect ~50% savings via optimized routing. Prices subject to change.
Grok 3 vs Grok 3 Mini: Which Should You Use?
Grok 3
xAI's flagship model. Best for complex reasoning, analysis, and tasks where quality is critical.
Grok 3 Mini Recommended for most
10x cheaper than Grok 3 with surprisingly strong performance. Best for classification, summarization, and structured output tasks.
Grok vs OpenAI vs Claude vs Mistral
| Model | Provider | Input / 1M | Output / 1M |
|---|---|---|---|
| Grok 3 Mini | xAI | $0.30 | $0.50 |
| GPT-4o Mini | OpenAI | $0.15 | $0.60 |
| Claude Haiku 4.5 | Anthropic | $0.08 | $0.25 |
| Mistral Small | Mistral | $0.10 | $0.30 |
| Grok 3 | xAI | $3.00 | $15.00 |
| GPT-4o | OpenAI | $2.50 | $10.00 |
| Claude Sonnet 4.6 | Anthropic | $3.00 | $15.00 |
| Mistral Large | Mistral | $2.00 | $6.00 |
Save 50% on Every Grok API Request
CheapLLM routes your xAI requests through discounted infrastructure tiers, cutting costs by 50% without changing your code. You get the same Grok model, the same response quality, the same latency — just half the price.
Grok API Pricing FAQ
How much does the Grok API cost in 2026?
Grok 3 costs $3.00/1M input tokens and $15.00/1M output tokens. Grok 3 Mini is much cheaper at $0.30/$0.50 per 1M tokens. CheapLLM lets you access these models at 50% off the standard rate.
How does Grok compare to GPT-4o and Claude?
Grok 3 Mini is significantly cheaper than GPT-4o ($0.30 vs $2.50 input) and competitive with Claude Haiku. For high-volume tasks, Grok 3 Mini offers excellent value. CheapLLM supports all three providers through one API.
What is the cheapest Grok model?
Grok 3 Mini at $0.30/1M input and $0.50/1M output tokens is the most cost-effective. With CheapLLM you get 50% off, bringing it to $0.15/$0.25 per 1M tokens.
Does Grok have a free tier?
xAI offers a free tier with limited rate limits for testing. For production workloads, you need a paid API key. CheapLLM works with your existing xAI API key.
How does CheapLLM reduce Grok API costs?
CheapLLM uses provider-level discount pricing tiers that are not exposed in standard API access. You bring your own xAI key, and our routing automatically uses the most cost-effective path for your requests.
Can I switch between Grok and other providers?
Yes. CheapLLM gives you one unified API endpoint supporting xAI Grok, OpenAI, Anthropic, Mistral, Google, and Together AI. Switch models with a single parameter change.
Does Grok support image generation?
Yes. Grok 2 Image Gen is available at $0.07 per image. CheapLLM supports image generation models alongside text models through the same interface.