GPT-5.4 mini vs Grok Build 0.1
Price and specs side by side · USD per 1M tokens · verified 2026-10-11
// side by side
| metric | GPT-5.4 mini | Grok Build 0.1 |
|---|
| input / 1M | $0.75 | $1.00 |
| output / 1M | $4.50 | $2.00 |
| blended (3:1) | $1.6875 | $1.25 |
| cache read / 1M | $0.075 | $0.20 |
| context | 400K | 256K |
| max output | 128K | 256K |
| input types | text · image | text · image · pdf |
| reasoning | yes | yes |
| tool calling | yes | yes |
| structured output | yes | yes |
| open weights | no | no |
| released | 2026-03-17 | 2026-04-16 |
| knowledge cutoff | 2025-08-31 | n/a |
| lab | OpenAI | xAI |
// monthly cost scenarios
| workload | tokens in / out | GPT-5.4 mini | Grok Build 0.1 |
|---|
| Chatbot | 10M / 2M | $16.50 | $14.00 |
| RAG app | 50M / 5M | $60.00 | $60.00 |
| Coding agent | 20M / 10M | $60.00 | $40.00 |
// verdict
- Grok Build 0.1 is 25.9% cheaper than GPT-5.4 mini on a blended 3:1 input/output basis.
- GPT-5.4 mini has the larger context window (400K vs 256K tokens).