Grok Build 0.1 vs GPT-5 mini
xAI's new budget model vs OpenAI's cheapest. Grok Build 0.1 has cheaper output tokens but GPT-5 mini has cheaper input. Both under $0.50 input.
Pricing data verified: Jun 20, 2026
| Specification | Grok Build 0.1 (xAI) | GPT-5 mini (OpenAI) |
|---|---|---|
| Input Price (per 1M tokens) | $0.30 | $0.25 |
| Output Price (per 1M tokens) | $0.50 | $2.00 |
| Context Window | 256K tokens | 272K tokens |
| Tier | Budget | Budget |
| Provider | xAI | OpenAI |
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Frequently Asked Questions
How much cheaper is GPT-5 mini than Grok Build 0.1?
Grok Build 0.1 costs $0.30/$0.50 per 1M tokens. GPT-5 mini costs $0.25/$2.00 per 1M tokens.
When should I choose Grok Build 0.1 over GPT-5 mini?
Choose Grok Build 0.1 for output-heavy workloads (content generation, summarization) where the $0.50/1M output price beats GPT-5 mini's $2.00. Choose GPT-5 mini for input-heavy workloads where its $0.25 input price wins.
Is Grok Build 0.1 good for production?
Grok Build 0.1 is xAI's latest budget model with 256K context. It's suitable for production workloads that need good-enough quality at budget pricing. For critical applications, consider mid-tier models like GPT-5 or Claude Sonnet 4.6.