Grok Build 0.1 — API Pricing & Benchmarks
Grok Build 0.1 is xAI's mid reasoning model. The API costs $1.00 per 1M input tokens and $2.00 per 1M output tokens ($1.25 blended at a 3:1 ratio), with cached input at $0.20. It supports a 256K-token context window.
Explore provider routes and additional benchmark sources for Grok Build 0.1
| Provider | xAI |
| Input price / 1M tokens | $1.00 |
| Output price / 1M tokens | $2.00 |
| Cached input / 1M tokens | $0.20 |
| Blended price (3:1) | $1.25 |
| Context window | 256K |
| Max output tokens | — |
| Knowledge cutoff | — |
| License | proprietary |
| Input modalities | T+I |
| Output speed (tok/s) | — |
| Released | — |
Where Grok Build 0.1 fits
On a blended 3:1 basis Grok Build 0.1 costs $1.25 per 1M tokens, cheaper than 61% of the 80 priced models in this index. It sits in the mid-tier bracket where most production chat, RAG and summarization workloads run: meaningfully cheaper than flagships while keeping most of their capability. Cached input is priced at $0.20 (80% below standard input), which rewards prompt structures with long stable prefixes — see our caching guide.
Price history
| Period | Input $/1M | Output $/1M | Cached $/1M |
|---|---|---|---|
| 2026-07-18 → current | $1.00 | $2.00 | $0.20 |
No list-price changes recorded since tracking began. Full dataset: price-history.json (CC BY 4.0).
Alternatives at a similar price
- ERNIE 5.1 (Baidu) — $1.10/1M blended
- HyperCLOVA X HCX-007 (Naver) — $1.47/1M blended
- Gemini 3.8 Flash (Google) — $1.50/1M blended, AA Index 58.7
- Gemini 3.7 Flash (Google) — $1.50/1M blended, AA Index 56
About xAI
xAI's Grok models compete aggressively on price: Grok 4.6 ties the proprietary frontier on the Artificial Analysis index at a mid-tier price point, and the older Grok 4.x models are among the cheapest ways to buy a large context window.