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Grok 3 Mini
xAI
xAI's efficient model optimized for fast responses and cost-sensitive workloads.
Input price$0.30 / 1M tokens
Output price$0.50 / 1M tokens
Context window128k tokens
Last updated2026-04-21
Quick calculator
Per request
$0.000550
Daily
$5.50
Monthly
$165.00
per month · 30-day estimate
Yearly
$2,007.50
Tips to reduce cost
- →Use prompt caching to reuse repeated system prompts
- →Trim whitespace and reduce verbose instructions
- →Use a smaller model for classification or routing tasks
- →Batch async requests to get 50% discount (OpenAI/Anthropic)
- →Cache identical requests at the application layer
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About Grok 3 Mini
Grok 3 Mini is a mid-range large language model from xai, priced at $0.3/1M input tokens and $0.5/1M output tokens. It is 89% cheaper than the market average and best suited for fast cost-sensitive tasks. The 128k context window handles long documents, extended conversations, and large code files comfortably.
For most production workloads, the cost breakdown is dominated by input tokens (system prompts, context, retrieved documents) rather than output. At this price point, Grok 3 Mini is a solid choice when balancing quality and cost at scale.
Frequently Asked Questions
How much does Grok 3 Mini cost per 1,000 tokens?
Grok 3 Mini costs $0.0003 per 1,000 input tokens and $0.0005 per 1,000 output tokens.
What is Grok 3 Mini's context window?
Grok 3 Mini supports a context window of 128k tokens, which is suitable for long documents and multi-turn conversations.
How does Grok 3 Mini compare to GPT-4o on price?
Grok 3 Mini is 89% cheaper than the market average on input tokens. At $0.3/1M input vs $2.50/1M for GPT-4o, the cost difference becomes significant at scale — 10,000 requests/day with 1,000 input tokens each costs $90/month with Grok 3 Mini vs $750/month with GPT-4o.