xAI API pricing
Every xAI model we track, per 1M tokens, from the official pricing page.
Quick answer: xAI API prices run from $1 in and $2 out per 1M tokens (Grok Build 0.1) up to $2 in and $6 out (Grok 4.7). Its cheapest model is number 9 of 29 on our full list. Checked Oct 16, 2026 against the official pricing page.
| Model | Input | Cached | Output | Context |
|---|---|---|---|---|
| Grok Build 0.1grok-build-0.1Prompts under 200K. | $1 | $0.20 | $2 | 256K |
| Grok 4.3grok-4.3Prompts under 200K. Longer prompts cost double. | $1.25 | $0.20 | $2.50 | 1M |
| Grok 4.7grok-4.7Prompts under 200K. Longer prompts cost $4 in, $12 out. | $2 | $0.50 | $6 | 500K |
Grok Build 0.1grok-build-0.1
256K context$1Input
$2Output
$0.20Cached
Grok 4.3grok-4.3
1M context$1.25Input
$2.50Output
$0.20Cached
Grok 4.7grok-4.7
500K context$2Input
$6Output
$0.50Cached
How it compares
Cheapest models from other providers, blended per 1M tokens: GPT-6 Luna (OpenAI) $0.20 · Qwen3.8 Flash (Qwen) $0.23 · Mistral Small 4 (Mistral) $0.26. See the full API price table, the best model for each task or the plan vs API calculator.
FAQ
How much does the xAI API cost?
From $1 input and $2 output per 1M tokens for Grok Build 0.1, up to $2 and $6 for Grok 4.7.
What is the cheapest xAI model?
Grok Build 0.1, with a blended price of $1.25 per 1M tokens (3 parts input to 1 part output).
Is a subscription cheaper than the xAI API?
It depends on how much you use it. Try our plan vs API calculator with your own usage.
Other providers: OpenAI · Anthropic · Google · Meta · DeepSeek · Qwen · Mistral