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Grok 4 API Pricing & Cost Calculator

Grok 4 is xAI's flagship with native X (Twitter) integration for real-time information and reasoning. 256K context, strong at current-events queries that other models can't answer.

xAI retired Grok 4 on 2026-05-15

The prices below are kept for reference and for comparing against current models. New requests to this model are unlikely to succeed.

Still available from xAI: Grok 4.5, Grok 4.6, Grok 4.3

Input

$3.00

per 1M tokens

Output

$15.00

per 1M tokens

Context window

256K

tokens

Released

2025-07

Cutoff 2025-04

Model

≈ Estimated tokenizer·$3.00 in·$15.00 out (per 1M)

Quick start with a use case

Input tokens

Output tokens

Total cost per call$0.0105

Input$0.003000

Output$0.007500

Cost comparison

Standard

$0.0105

With Caching

Not supported

With Batch

Not supported

Cutting costs? Open models start at $0.28/1M

DeepSeek, Kimi & 200+ open models on Novita AI — often 5–20x cheaper than proprietary APIs for comparable tasks.

Try Novita AI

Affiliate link — we may earn a commission at no extra cost to you.

Detailed pricing

Grok 4 pricing breakdown

All pricing dimensions including caching and batch discounts.

Type	Price (per 1M tokens)	Note
Input	$3.0000	Standard input tokens
Output	$15.0000	Generated output tokens

Cutting costs? Open models start at $0.28/1M

DeepSeek, Kimi & 200+ open models on Novita AI — often 5–20x cheaper than proprietary APIs for comparable tasks.

Try Novita AI

Affiliate link — we may earn a commission at no extra cost to you.

Last verified 2026-08-01 · xAI official pricing · ⚠️ Spotted a wrong price? Report in 30s →

How it compares

Grok 4 vs alternatives

Single-call cost (1000 input + 500 output tokens) ranked from cheapest.

Model	Per call	vs Grok 4
Grok 4 xAI · this page	$0.0105	—
DeepSeek V3.2 DeepSeek	$0.000480	−95%
GPT-5.6 Luna OpenAI	$0.000800	−92%
DeepSeek V4-Flash DeepSeek	$0.000900	−91%
Gemini 3.1 Flash Lite Google	$0.001000	−90%
GPT-5 mini OpenAI	$0.001250	−88%

Recommended use

When to choose Grok 4

Grok 4 shines for general-purpose tasks, complex multi-step reasoning, tasks needing real-time information, and image and document understanding. Token counts are estimated within ~10-20% margin.

✓Context window of 256K tokens handles long conversations and large documents.

✓Prompt caching available — significant savings for repeated system prompts.

✓Tool / function calling supported.

FAQ

Frequently asked questions

Grok 4 costs $3.00 per 1M input tokens and $15.00 per 1M output tokens. A typical chat call (1000 input + 500 output tokens) costs approximately $0.0105. Use the calculator above to estimate your specific use case.

Grok 4 supports a 256K token context window with a max output of 256,000 tokens. Knowledge cutoff: 2025-04.

Yes, Grok 4 accepts image input. Vision token pricing is generally calculated based on image dimensions and folded into the input token count. Specific image-specific pricing varies — refer to xAI's official documentation.

Token counts for Grok 4 are estimated from character ratios (~10-20% margin). Cost calculations use prices verified on 2026-08-01. For final billing accuracy, always verify with xAI's usage dashboard.

Grok 4 does not currently support fine-tuning. Consider another model in the xAI family if fine-tuning is required.